Publication / Talks and Posters

  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • Show All

2023

Dynamics of the Asymmetric Geospace / 2023

EGU SPRING MEETING

S. M. Hatch, J. P. Reistad, K. M. Laundal, I. Virtanen, H. Vanhamaki, M. Zettergren, and K. Oksavik, Poster: E3D-BRITE: EISCAT_3D-based reconstruction of ionosphere-thermosphere electrodynamics, EGU General Assembly 2023, EGU23-14173, Vienna, Austria, April 23-28, 2023

D. Zhang, Q.-H. Zhang, K. Oksavik, T. Xu, Z.-Y. Xing, L. R. Lyons, D.-S. Han, H.-B. Zhang, Y.-Z. Ma, Z.-J. Hu, J.-J. Liu, Y. Wang, and X.-Y. Wang, Poster: Can Throat Auroras Create Polar Cap Patches?, EGU General Assembly 2023, EGU23-3306, Vienna, Austria, April 23-28, 2023

Ohma, A., Laundal, K. M., Reistad, J. P., Hatch, S. M., Madelaire, M., Gasparini, S., Decotte, M., and Walker, S. J., Expansion and Contraction of the Auroral Oval Area, EGU General Assembly 2023, EGU23-11679, Vienna, Austria, April 23-28, 2023

J.C. Hessen, J.P. Reistad, K.M. Laundal, S.M Hatch, A. Ohma, Poster: Using convoluted probability distributions to estimate average auroral intensity, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

S. Gasparini, S.M. Hatch, A.Ohma, J.P. Reistad, K.M. Laundal, S.J. Walker, Poster: E3D-BRITE: The effect of ionospheric conductance on reconnection estimates based on ionospheric observations, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

S. M. Hatch, J. P. Reistad, K. M. Laundal, I. Virtanen, H. Vanhamäki, M. Zettergren, K. Oksavik, Poster: E3D-BRITE: EISCAT_3D-based reconstruction of ionosphere-thermosphere electrodynamics, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

R. Elhawary, K. Laundal, J.P. Reistad, M. Madelaire, and A. Ohma, Poster: Nightside dynamics influence on the dayside ionospheric current, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

C. M. van Hazendonk, L. Baddeley, and K. M. Laundal, Poster: Energy deposition of a Pc5 ULF wave in the polar ionosphere measured by EISCAT, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

M. Decotte, K. Laundal, S. Hatch, and J. Reistad, Poster: Auroral oval identification based on Swarm magnetometer data, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

K. Laundal, J. Reistad, S. Hatch, S. Gasparini, S. Walker, M. Madelaire, and A. Ohma, Mapping spatio-temporal variations in ionospheric electrodynamics, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023 (Invited talk)

ASIA OCEANIA GEOSCIENCES SOCIETY (AOGS)

S. Lu, Z.-Y. Xing, Q.-H. Zhang, Y.-L. Zhang, K. Oksavik, L. Lyons, Y.-Z. Ma, X.-Y. Wang, B. Nanan, Y. Wang, Z.-X. Deng, Poster: Three-dimensional Ionospheric Plasma Properties of Space Hurricane, AOGS 2023 Meeting, Abstract ST15-A009, Singapore, July 30 – August 4, 2023

S. Lu, Z.-Y. Xing, Q.-H. Zhang, Y.-L. Zhang, Y.-Z. Ma, X.-Y. Wang, K. Oksavik, L. Lyons, B. Nanan, J. Liu, Y. Wang, Z.-X. Deng, K. Xia, D. Song, Poster: A Statistical Study of Space Hurricanes in the Northern Hemisphere, AOGS 2023 Meeting, Abstract ST15-A012, Singapore, July 30 – August 4, 2023

Y.-Z. Ma, Q.-H. Zhang, L. Lyons, K. Oksavik, Z.-Y. Xing, M. Hairston, B. Nanan, and Y. Wang, Poster: A Comparative Study on the Polar Cap Hot Patch and Cold Patch by Using Multi-instrument Observations, AOGS 2023 Meeting, Abstract ST15-A005, Singapore, July 30 – August 4, 2023

X.-Y. Wang, Q.-H. Zhang, C. Wang, Y.-L. Zhang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, M. Lockwood, Q.-G. Zong, G.-J. Li, J. Liu, Y.-Z. Ma, and Y. Wang, Poster: Unusual Shrinkage and Reshaping of Earth's Magnetosphere Under a Strong Northward Interplanetary Magnetic Field, AOGS 2023 Meeting, Abstract ST08-A003, Singapore, July 30 – August 4, 2023

URSI GASS 2023

A. Spicher, A. Kvammen, J. LaBelle, ..., K. Oksavik, et al., Examining the relevance of different instability mechanisms in causing ionospheric cusp irregularities based on sounding rocket data and numerical simulations, URSI GASS 2023, Sapporo, Japan, August 19-26, 2023

F. Enengl, L. Spogli, D. Kotova, Y. Jin, K. Oksavik, N. Partamies, and W. Miloch, On the formation of small-scale irregularities driven by auroral particle precipitation, URSI GASS 2023, Sapporo, Japan, August 19-26, 2023

Hard Radiation from Thunderstorms / 2023

EGU SPRING MEETING

N. Ostgaard, M. Marisaldi, K.Ullaland, S. Yang, B.H.Qureshi, J. Søndergaard, A. Mezentsev, D. Sarria, N. Lehtinen, T. Lang, H.Christian, M. Quick, R. Blakeslee, J.E. Grove, and D. Shy, The ALOFT mission: a flight campaign for TGF and gamma-ray glow observations over Central America and the Caribbean in July 2023, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023  

D. Sarria, N. Østgaard, M. Marisaldi, N. Lehtinen, and A.  Mezentsev, Poster: Library of simulated gamma-ray glows and application to previous airborne observations, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

M. Marisaldi, N. Ostgaard, K.Ullaland, S. Yang, B.H. Qureshi, J. Søndergaard, A. Mezentsev, D. Sarria, N. Lehtinen, T. Lang, H.Christian, M. Quick, R. Blakeslee, J.E. Grove, and D. Shy, Poster: The scientific payload of the ALOFT mission to chase Terrestrial Gamma-ray Flashes and gamma-ray glows, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

N. Lehtinin, Conditions for inception and propagation of negative streamers, EGU General Assembly 2023, EGU23-5529, Vienna, Austria, April 23-28, 2023

A. Mezentsev, N. Østgaard, M. Marisaldi, T. Neubert, O. Chanrion, V. Reglero, Poster: Discerning TGF and Leader Current Pulse in ASIM Observation, EGU General Assembly 2023, EGU23-11467, Vienna, Austria, April 23-28, 2023    

A. Ramsli , M. Marisaldi, A. Tsvtkova, C. Guidorzi, D. Sarria, A. Mezentsev, A. Lindanger, N. Østgaard, T. Neubert, V. Reglero, Poster: Validation of the ASIM MXGS performance using cosmic Gamma-Ray Bursts, EGU General Assembly, Vienna, Austria, April 23-27, 2023.

I. Bjørge-Engeland , N. Østgaard, M. Marisaldi, A. Luque, A. Mezentsev, O. Chanrion, T. Neubert, V. Reglero, Poster: Detections of high peak current lightning and observations of Elves, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

OTHER MEETINGS AND SEMINARS

Radio Observations and Theory of Atmospheric Discharge Processes Workshop: A. Mezentsev, N. Østgaard, M. Marisaldi, T. Neubert, O. Chanrion, V. Reglero, Discerning TGF and Leader Current Pulse in ASIM Observation, University of Bath, June 26-30, 2023, Bath, UK  

Radio Observations and Theory of Atmospheric Discharge Processes Workshop: N.G. Lehtinen, Theory of Streamer Propagation, University of Bath, June 26-30, 2023, Bath, UK

Particle Precipitation / 2023

EGU SPRING MEETING

Hilde Nesse, Eldho Midhun Babu, Josephine Salice, and Bernd Funke, Poster: Energetic Electron Precipitation during Slot Region Filling Events, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023  

Antti Kero, Neethal Thomas, Ilkka Virtanen, Pekka Verronen, Max van de Kamp, and Hilde Nesse, Poster: Ground truth validation of the CMIP energetic particle precipitation forcing, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

Josephine Salice, Hilde Nesse, Noora Partamies, Emilia Kilpua, Andrew Kavanagh, Eldho Babu, and Christine Smith-Johnsen, When are energetic electrons producing NO directly in the upper stratosphere?, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

Jia Jia, Lisa E. Murberg, Tiril Løvset, Yvan J. Orsolini, Patrick J. Espy, Jude Salinas, Jae N. Lee, Dong Wu, and Jiarong Zhang, Energetic Particle Precipitation reflected in the Global Secondary Ozone Distribution, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

Stefan Bender, Patrick Espy, and Larry Paxton, Empirical modelling of SSUSI-derived auroral ionization rates, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

Ekaterina Vorobeva, Jelle Assink, Igor Chunchuzov, Toralf Renkwitz, Patrick Espy, and Sven Peter Näsholm, Using infrasound from explosions for probing internal gravity waves in the middle atmosphere, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

S.P. Näsholm, J. Amezcua, J.D. Assink, E. Belova, E.M. Blixt, Q. Brissaud, M.D.Eggen, P. J. Espy, R. Hibbins, Johan Kero, T. Kvaerna, A. Le Pichon, Y. J. Orsolini, I.V. Rodriguez, A. Turquet, and E. Vorobeva, Summarizing the research of the MADEIRA project - Middle atmosphere dynamics: exploiting infrasound using a multidisciplinary approach at high latitudes, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

M. Eggen, A.D. Midtfjord, E. Vorobeva, F.E. Benth, P. Hupe, Q. Brissaud, Y. Orsolini, A.Le Pichon, C. Listowski, and S.P. Näsholm, Using a machine learning and stochastics-founded model to provide near real-time stratospheric polar vortex diagnostics based on high-latitude infrasound data, EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

Convener: Veronika Haberle / Co-conveners: Maxime Grandin, Jia Jia, Frederic Pitout, Ionosphere – upper atmosphere physics with ground-based instrumentation (ST3.6), EGU General Assembly 2023, Vienna, Austria, April 23-28, 2023

ICTP-SCOSTEP-ISWI – PRESTO

Hilde Nesse, Josephine Salice, Eldho Midhun Babu, Miriam Sinnhuber and Noora Partamies, Precipitating energetic electrons and their effects on atmosphere, ICTP-SCOSTEP-ISWI – PRESTO, Trieste, Italy, May 30, 2023 (Invited)

Josephine Salice, Hilde Nesse, Noora Partamies, Emilia Kilpua, Andrew Kavanagh, Eldho Babu, and Christine Smith-Johnsen, When are energetic electrons producing NO directly in the upper stratosphere?, ICTP-SCOSTEP-ISWI – PRESTO, Trieste, Italy, May 30, 2023

IUGG 2023

Hilde Nesse, Josephine Salice, Eldho Midhun Babu, Miriam Sinnhuber and Hector Daniel Zuniga Lopez, NOAA/POES EEP fluxes as input for climate modelling, IUGG, Berlin, July 2023 (Invited)

Josephine Salice, Hilde Nesse, Noora Partamies, Emilia Kilpua, Andrew Kavanagh, Eldho Babu, and Christine Smith-Johnsen, When are energetic electrons producing NO directly in the upper stratosphere?, IUGG, Berlin, July 2023

Hilde Nesse, Josephine Salice, Eldho Midhun Babu, Miriam Sinnhuber and Noora Partamies, Advances in understanding and forecasting space weather impact on Earth’s climate, IUGG, Berlin, July 2023 (Invited)

J. Jia, L.E. Murberg, T. Løvset, Y.J. Orsolini, P.J. Espy, J. Salinas, J.N. Lee, D. Wu, J. Zhang, Energetic particle precipitation reflected in the global secondary ozone distribution, IUGG, Berlin, July 2023    

AOGS 2023

P. Espy, T. Mirzaamin, Y. Orsolini, C. Rhodes, Eastward Propagating Planetary Waves Observed Using the SuperDARN Meteor Radar Network, AOGS Annual Meeting, Singapore, July 2023

L. E. Murberg, T. Løvset, Y. Orsolini, J. Jia, P. Espy, C. Csar, J. Salinas, J. Lee, D. Wu, J. Zhang, Particle Precipitation Effects on the Global Secondary Ozone Distribution, AOGS Annual Meeting, Singapore, July 2023

J. Jia, M. Szelag, M. Höpfner, P. Verronen, P. Espy, Energetic Particle Precipitation Signal Found in the Bromine Nitrate Observation, AOGS Annual Meeting, Singapore, July 2023

K. Sato + ISCOM team including P.J. Espy, Interhemispheric Coupling Study by Observations and Modelling (ICSOM), AOGS Annual Meeting, Singapore, July 2023

Conveners: P. Espy, I. Reid, J.-H. Yee, Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, AOGS Annual Meeting, Singapore, July 2023

OTHER MEETINGS AND SEMINARS

Japan Geoscience Union Meeting 2023: K. Herlingshaw, N. Partamies, D. Whiter, D. Lorentzen, J. Dreyer, Poster: Aurora-like fragments at the poleward edge of the auroral oval,Chiba, Japan, May 21-26, 2023  

2022

Dynamics of the Asymmetric Geospace / 2022

EGU SPRING MEETING

R. Elhawary, K. L., J. Reistad, A. Ohma, S.  Hatch, and S.Gasparini, The relationship between dayside and nightside Dynamics under northward interplanetary magnetic field substorms, EGU General Assembly, Vienna, 23-27 May, 2022

S.Gasparini, K.M. Laundal, J. P. Reistad, A. Ohma, S. Hatch, and R. Elhawary, The role of ionospheric convection in shaping the auroral oval, EGU General Assembly, Vienna, 23-27 May, 2022

J. P. Reistad, K.M. Laundal, A. Ohma, and S. Hatch, Energy input in the dayside polar cap during IMF By dominated conditions: Summer vs. Winter, EGU General Assembly, Vienna, 23-27 May, 2022

S. Hatch, K.M. Laundal, J. P. Reistad, and A. Ohma, A consistently derived set of empirical models for high-latitude electrodynamics, EGU General Assembly, Vienna, 23-27 May, 2022    

C. Xiong, Y. Zheng, Y. Jin, D. Liu, C. Xu, Y. Zhu, and K. Oksavik, Diagnose the diffractive contribution to GNSS scintillation at high latitude during the geomagnetic storm on 7-8 September 2017, EGU General Assembly, Vienna, 23-27 May, 2022

A. Spicher, J. Vierinen, K. Oksavik, and Y. Jin, Statistical characteristics of ionospheric irregularities in the cusp ionosphere based on multi-instrument techniques, EGU General Assembly, Vienna, 23-27 May, 202 (Invited talk)

AOGS 2022 / Virtual Meeting

Z.-Y. Xing, J. Yuyan, Q.-H. Zhang, L. Lyons, Y. Zhang, K. Oksavik, B. Nanan, Z. Hu, S. Zhang, B. Tang, J. Liu, Y.-Z. Ma, and Y. Wang, On the Acceleration of Polar Cap Patches Entering the Nightside Auroral Oval, AOGS2022 Virtual Meeting, August, 2022

D. Zhang, Q.-H. Zhang, Y-Z. Ma, K. Oksavik, L. Lyons, Z.-Y. Xing, and M. Hairston, The Dependence of Cold and Hot Patches on Localized Plasma Transport and Particle Precipitation, On the Acceleration of Polar Cap Patches Entering the Nightside Auroral Oval, AOGS2022 Virtual Meeting, August, 2022

X.-Y. Wang, Q.-H. Zhang, C. Wang, Y. Zhang, B. Tang, Z.-Y. Xing, K. Oksavik, L. Lyons, M. Lockwood, Q.-G. Zong, J. Liu, Y.-Z. Ma, and Y. Wang, A Small and Nearly Fully Closed Earth’s Magnetosphere for Strongly Northward Interplanetary Magnetic Field, AOGS2022 Virtual Meeting, August, 2022

Q.-H. Zhang, K. Oksavik, B. Tang, Y. Zhang, and Z.-Y. Zing, A “wave-like” Evolution of Polar Cap Patches Modulated by the Magnetotail Reconnections in Wide Magnetic Local Time Regions, AOGS2022 Virtual Meeting, August, 2022

GEM WORKSHOP 2022

J. P. Reistad, L. Holappa, A. Ohma, C. Gabrielse, D. Sur, T. Asikainen, A. DeJong, Global dayside reconnection depends on sign of IMF By when Earth's dipole is tilted,  GEM workshop, Honolulu, Hawaii, USA, 20-24 June, 2022

K. Herlingshaw, L. J. Baddeley, K. Oksavik, D. A. Lorentzen, K. M. Laundal (Poster), Characterizing Mesoscale Fast Flow Channels in the Polar Cap Ionosphere, GEM workshop, Honolulu, Hawaii, June 19-26, 2022

K. M. Laundal, J. P. Reistad, S. M. Hatch, M. Madelaire, S. Walker, A. Ø. Hovland, A. Ohma, Local mapping of polar ionospheric electrodynamics, GEM workshop, Honolulu, Hawaii, June 19-26, 2022

J. P. Reistad, K. M. Laundal, A. Ohma, S. Hatch, Origins of keV electron precipitation in the summer hemisphere polar cap: On the structure and dynamics of High Latitude Dayside Aurora (HiLDA), GEM workshop, Honolulu, Hawaii, June 19-26, 2022    

K. M. Laundal, M. Madelaire, A. Ohma, J. P. Reistad, S. M. Hatch, The relationship between interhemispheric asymmetries in polar ionospheric convection and the magnetic field line footpoint displacement field, GEM workshop, Honolulu, Hawaii, June 19-26, 2022

20th EISCAT SYMPOSIUM

S.M. Hatch and ISSI Team 506, Generation of a synthetic EISCAT_3D dataset , 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

L. M. Bjoland, Y. Ogawa, S. Hatch, K. Laundal, D. Lorentzen, Formation and IMF dependence of the early morning electron density depletion region observed in ESR data , 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

L. Baddeley, The Future of ISR Measurements on Svalbard, 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

K. M. Laundal, J. P. Reistad, S. M. Hatch, M. Madelaire, S. Walker, A. Ø. Hovland, A. Ohma (via Zoom), Local mapping of polar ionospheric electrodynamics , 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

N. K. Eriksen, D. Lorentzen, K. Oksavik, and L. Baddeley, Creation, Depletion and End of Life of Polar Cap Patches, 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

A. Spicher, J. Vierinen, K. Oksavik, Y. Jin, D. Huyghebaert, and M. Madhanakumar, Multi-instrument multi-scale characterization of ionospheric irregularities in the cusp region, 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

D. Huyghebaert, I. Mann, L. Baddeley, M. G. Johnsen, L. Clausen, M. Gausa, D. Lorenzen, K. Oksavik, and I. Solheim, EISCAT 3D Norway - An Overview, 20th EISCAT Symposium, Eskilstuna, Sweden, 15-19 August, 2022

COSPAR

M. Decotte, K.Laundal, S. Hatch, J. Reistad (Poster), An investigation of the dawn-dusk asymmetry in the auroral occurrence probability, 44th COSPAR Scientific Assembly, 16 July – 24 July 2022, Athens, Greece    

S. Walker, K. Laundal, J. Reistad, A. Ohma, S. Hatch, Estimating total polar ionospheric currents using satellite and ground based measurements, 44th COSPAR Scientific Assembly, 16 July – 24 July 2022, Athens, Greece

CEDAR 2022

S. M. Hatch, K. M. Laundal, J. P. Reistad, M. Madelaire, S. Walker, A. Ø. Hovland, A. Ohma, Local Mapping of Polar Ionospheric Electrodynamics (Lompe), CEDAR 2022 Workshop, Austin, TX, 19 – 24 June 2022

M. Madelaire, J. Gjerloev, K. Laundal, V. Merkin, K. Sorathia, R. Mesquita, S. Ohtani, L. Kepko and S. Yee (Poster), Challenging the Multiple Definitions of Auroral Electrojets, CEDAR 2022 Workshop, Austin, TX, 19 - 24 June 2022

M. Madelaire, The Electrojet Zeeman Imaging Explorer (EZIE) mission, CEDAR 2022 Workshop, Austin, TX, 19 – 24 June 2022

AGU FALL MEETING

A. Ohma, K. M. Laundal, J. P. Reistad, S. M. Hatch, M. Madelaire, S. Gasparini, M. Decotte, S. J. Walker, Excitation and Decay of Auroral Flux, AGU Fall Meeting, Chicago, 12-16 December, 2022 (Invited talk).

OTHER MEETINGS AND SEMINARS

Center for Geospace Storms Seminar Series (Virtual): Laundal, K. M., Reistad, J. P, Hatch, S. M., Madelaire, M., Walker, S., Hovland, A. Ø., Ohma, A., Local Mapping of Polar Ionospheric Electrodynamics (Lompe), 2022  

Center for the Unified Studies on Interhemipsheric Asymmetries Workshop #2 (Virtual): Reistad, J. P, L. Holappa, A. Ohma, C. Gabrielse, and D. Sur, How does the combination of IMF By and dipole tilt polarity affect the connection to space? Mar 31 – April 1, 2022

25th ESA PAC Symposium: A. Spicher, J. W. Labelle, J. W. Bonnell, R. Roglans, C. Moser, S. A. Fuselier, S. R. Bounds, L. B. N. Clausen, F. Di Mare, C. A. Feltman, Y. Jin, C. Kletzing, W. J. Miloch, J. Moen, K. Oksavik, R. Sawyer, T. Takahashi, and T. K. Yeoma, Sounding rocket investigation of multi-scale (density) irregularities in the cusp region, Biarritz, France, Mar 01-02 May, 2022

Arctic Frontiers: I. Mann, D. R. Huyghebaert, I. Solheim, L. Baddeley, D. A. Lorentzen, and K. OksavikEISCAT_3D - research infrastructure for international collaboration on exploration of the upper atmosphere and space above the Arctic, Tromsø, Mar 08-11 May, 2022

Planetary Science and Astrophys. Workshop: J.P. ReistadExperiences from collaboration with a local Norwegian high school and suggestions for exploratory student exercises, Oral via Zoom, Chiang Mai, Thailand, July 27-31, 2022, Invited  

Planetary Science and Astrophys. Workshop: J.P. Reistad, High latitude electrodynamics: The asymmetric connection to space, Oral via Zoom, Chiang Mai, Thailand, July 27-31, 2022, Invited    

EZIE Citizen Science Magnetometer Brainstorming Session, APL: Gjerloev, J., How you can participate and why you should be interested, Invited Talk

SSWRF II — Second International Workshop on Small Satellites for Space Weather Research & Forecasting: Gjerloev, J., EZIE: A Cubesat Mission to Study The Electrojets, Invited Talk

DynamicEarth, Germany: Gjerloev, J., The Earth-Space electrical current circuit – why this fascinating, dynamic and structured system keeps its secrets, Invited Keynote

National Academies Committee on Space Weather Operations and Research Infrastructure Workshop (virtual): Gjerloev, J.Space Weather – A global exercise driven by local process, Invited Panel

APL Speed Presentation Series (online): Gjerloev, J., Limitations to Magnetic Indices in Geospace Specification, Invited Talk

CGS Seminar Series (online): Gjerloev, J., Electrojet Zeeman Imaging Explorer: A CubeSat Mission to Study The Electrojets, Invited Seminar

35th SMILE MWG Meeting: A. Ohma, M. Madelaire, K. M. Laundal, J. P. Reistad, S. Gasparini, S. M. Hatch, S. J. Walker, Data Driven Dayglow Detection: Background removal from global FUV images, Leicester and online, 3. November, 2022    

Hard Radiation from Thunderstorms / 2022

EGU SPRING MEETING

A. Lindanger, C.A. Skeie, M. Marisaldi, I. Bjørge-Engeland, N. Østgaard, A. Mezentsev, D. Sarria, N. Lehtinen, V. Reglero, O. Chanrion, and T. Neubert, Production of Terrestrial Gamma-ray Flashes During the Early Stages of Lightning Flashes, EGU General Assembly, Vienna, 23-27 May, 2022

D. Sarria, N. Østgaard, M. Marisaldi, A. Lindanger, A. Mezentsev, N. Lehtinen, T.  Neubert, F.  Christiansen, and V.  Reglero, Investigating the fluence of bright TGF events detected by the Atmosphere-Space Interactions Monitor, EGU General Assembly, Vienna, 23-27 May, 2022

I. Bjørge-Engeland, N. Østgaard, A. Mezentsev, C. A. Skeie, D. Sarria, J. Lapierre, A. Lindanger, T. Neubert, M. Marisaldi, N. Lehtinen, O. Chanrion, K. Ullaland, S. Yang, G. Genov, F. Christiansen, and V. Reglero,  Observations by ASIM of Terrestrial Gamma-ray Flashes accompanied by Elves , EGU General Assembly, Vienna, 23-27 May, 2022

N. Østgaard, A. Mezentsev, M. Marisaldi, D. Sarria, K. Ullaland, G. Genov, T. Neubert, O. Chanrion, F. Christiansen, S. A. Cummer, G. Lu, V. Reglero, A. Luque., Double TGFs and optical pulses observed by ASIM, EGU General Assembly, Vienna, 23-27 May, 2022  

N. Lehtinen and Robert Marskar, Verification of the Streamer Parameter Model by comparing to Hydrodynamic Simulations, EGU General Assembly, Vienna, 23-27 May, 2022

F. Liu, T. Neubert, O. Chanrion, B. Zhu, G. Lu, F. Lyu, K. Dimitriadou, J. Lei, N. Østgaard, V. Reglero, Ionospheric elves powered by negative Narrow Bipolar Events in overshooting thundercloudsEGU General Assembly, Vienna, 23-27 May, 2022

L. S. Husbjerg, T. Neubert, O. Chanrion, K. Dimitriadou, M. Stendel, E. Kaas, N. Østgaard, V. Reglero, Observations of Blue Corona Discharges in Thunderclouds, EGU General Assembly, Vienna, 23-27 May, 2022

X. Bai, M. Fullekrug, O. Chanrion, S. Soula, A. Peverell, D. Mashao, M. Kosch, T. Neubert, N. Østgaard, V. Reglero, Height Determination of a Blue Discharge Observed by ASIM/MMIA on the International Space Station, EGU General Assembly, Vienna, 23-27 May, 2022

A. Mezentsev, N. Østgaard, M. Marisaldi, T. Neubert, O. Chanrion, V. Reglero, Discerning TGF and leader current pulse in ASIM observation, EGU General Assembly, Vienna, 23-27 May, 2022

J. Navarro-Gonzalez, P. Connell, C. Eyles, V. Reglero, J. A. Lopez, J. Montanya, M. Marisaldi, A. Mezentzev, P. Kochkin, A. Lindanger, D. Sarria, N. Østgaard, O. Chanrion, F. Christiansen and T. Neubert, Brother TGF, EGU General Assembly, Vienna, 23-27 May, 2022

D. Sarria, A. Lindanger, N. Østgaard, M. Marisaldi, A. Mezentsev, T. Neubert, V. Reglero., Spectral Analysis on Multi-Pulse TGFs detected by ASIM, EGU General Assembly, Vienna, 23-27 May, 2022

D. Li, A. Luque, F. J. Gordillo-Vazquez, T. Neubert, G. Lu, O. Chanrion, H. Zhang, N. Østgaard, V. Reglero, Multiple-pulse blue luminous events detected by ASIM, EGU General Assembly, Vienna, 23-27 May, 2022

AGU FALL MEETING

Lehtinen, N., Numerical analysis of inception and propagation conditions of negative streamers (Poster), AGU Fall Meeting, Chicago, 12-16 December, 2022

Marisaldi, M. et al., Interferometric Lightning Observations at Mount Cimone, Italy, in Association with the Gamma-Flash Experiment, AGU Fall Meeting, Chicago, 12-16 December, 2022

Saria, D., Østgaard, N., Marisaldi, M., Lehtinen, N., Mezentsev, A.Library of simulated gamma-ray glows and application to previous airborne observations, AGU Fall Meeting, Chicago, 12-16 December, 2022

OTHER MEETINGS AND SEMINARS

Bergen Astronomiske Forening: Marisaldi, M., Short, sharp and shocked: the giant flare of a distant magnetar seen by the Atmosphere-Space Interactions Monitor, Feb. 2022 (Invited talk)

CTR Wilson Meeting on Atmospheric Electricity, Univ. of Bath:  M. Marisaldi, Chasing thunderstorm’s energetic radiation from space, aircraft, and ground, Feb. 2022 (Invited talk, virtual)  

TWEPP 2022 Topical Workshop on Electronics for Particle Physics: Marisaldi, M., How design enables discovery: A Giant Magnetar Flare observed by the Atmosphere-Space Interactions Monitor, Bergen Sep. 19 – 23, 2022 (Invited talk)

Particle Precipitation / 2022

EGU SPRING MEETING

V. Maliniemi, P. Arsenovic, A. Seppälä, and H. N. Tyssøy , Influence of energetic particle precipitation on Antarctic stratospheric chlorine and ozone over the 20th century, EGU General Assembly, Vienna, 23-27 May, 2022

E.M. Babu, H. N. Tyssøy, C. Smith-Johnsen, V. Maliniemi, J. A. Salice, and R. Millany , Determining latitudinal extent of energetic electron precipitation  using MEPED on-board NOAA POES, EGU General Assembly, Vienna, 23-27 May, 2022

H. N. Tyssøy, Héctor Daniel López Zúñiga, Christine Smith-Johnsens, and V. Maliniemi, The medium energy electron direct effect on mesospheric dynamics during a sudden stratospheric warming event in 2010, EGU General Assembly, Vienna, 23-27 May, 2022

J. Salice, H. N. Tyssøy, C. Smith-Johnsen, and E.M. Babu, Solar Wind Structures and their Effects on the High-Energy Tail of the Precipitating Energetic Electron Spectrum, EGU General Assembly, Vienna, 23-27 May, 2022

H. D. Eide, H. N. Tyssøy, F. Tesema, and E. M. BabuWhat is the flux of low energy electron precipitation in the lower thermosphere?, EGU General Assembly, Vienna, 23-27 May, 2022

H. N. Tyssøy, H. L. Zúñiga, Christine Smith-Johnsens, and V. MaliniemiThe medium energy electron direct effect on mesospheric dynamics during a sudden stratospheric warming event in 2010, EGU General Assembly, Vienna, 23-27 May, 2022

HEPPA-SOLARIS WORKSHOP

Jia Jia, Monika E. Szeląg, Michael Höpfner, Pekka T. Verronen, and Patrick J. Espy, Bromine species response to particle precipitation – preliminary results, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022    

J. Edvartsen, V. Maliniemi, H. Nesse, T. Asikainen, S. Hatch, The Mansurov effect: Statistical significance and the role of autocorrelation, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

Salice, J.A.Nesse, H., Babu, E.M., Smith-Johnsen, Christine, Solar Wind Structures and their Effects on the High-Energy Tail of the Precipitating Energetic Electron Spectrum, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

Eide, H.D., Nesse, H., Smith-Johnsen, C., Babu, E.M., What is the flux of low energy electron precipitation in the lower thermosphere?, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

Babu, E.M., Nesse, H., Smith-Johnsen, C., Maliniemi, V.A., Salice, J.A., Millan, R.M., Determining latitudinal extent of energetic electron precipitation using MEPED on-board NOAA POES, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

V. Maliniemi, P. Arsenovic, A. Seppälä, H. Nesse, Influence of energetic particle precipitation on Antarctic stratospheric chlorine and ozone over the 20th century, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

S. Bender, P. Espy, L. Paxton, Empirical modelling of SSUSI derived auroral ionization rates, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

Zúñiga, H.D.L., Nesse, H., Smith-Johnsen, C., Maliniemi, V.A., The medium energy electron direct effect on mesospheric dynamics during a sudden stratospheric warming event, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022  

P. Espy, Role of tides in the downward transport of NOx, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

N. Partamies, D. Whiter, K. Kauristie, Ground-based observations of auroral electron precipitation, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

van Hazendonk, C. M., Heino, E., Jiggens, P. T. A., Taylor, M. G. G. T., Partamies, N., and Mulders, H. J. C., Cutoff latitudes of solar proton events measured by GPS satellites, HEPPA-SOLARIS Workshop, Bergen, June 13-15, 2022

COSPAR

Jia Jia, Patrick J. Espy, and Yvan J. Orsolini, Investigation of solar proton impact on polar stratosphere dynamics: a preliminary study, COSPAR, Athens, July 16-24, 2022

AOGS

Jia Jia, Antti Kero, Niilo Kalakoski, Monika E. Szeląg, and Pekka T. Verronen, Investigation of direct solar proton impact on Arctic stratospheric ozone, AOGS, online, August 1-5, 2022

OTHER MEETINGS AND SEMINARS

15th Quadrennial Solar-Terrestrial Physics Symposium (STP-15): Maliniemi, V., Enhanced downwelling of NOx in the Antarctic upper stratosphere and its effects on ozone in the 21st century, 23 February, 2022 (Invited talk)

TESS, Triennial Earth-Sun Summit (Joint meeting of AAS and AGU): Maliniemi, V., Effect of energetic particle precipitation on Antarctic stratospheric ozone from the CFC era into the future, Seattle, 8-11 August (Invited talk)

2021

Dynamics of the Asymmetric Geospace / 2021

COSPAR

Q.-H. Zhang, Y.-L. Zhang, C. Wang, M. Lockwood, H.-G. Yang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L Lyons, Y. Ma, Q.-G. Zong, and J. Moen, Multiple Transpolar Auroral Arcs Reveal New Insight About Coupling Processes in the Earth’s Magnetotail, 43rd COSPAR Scientific Assembly, Online, 28 January – 04 February, 2021.

S. Hatch, S. Haaland, K. M. Laundal, T. M. Jørgensen, L. M. Bjoland, K. Oksavik, J. P. Reistad, and A. Ohma, Hemispheric and seasonal variations in the cold plasma outflow source region: Swarm and CHAMP observations of F-region polar cap electron density, 43rd COSPAR Scientific Assembly, Online, 28 January – 04 February, 2021.

EGU SPRING MEETING

A. Ø. Hovland, K. Oksavik, J. P. Reistad, and M. R. Hairston, Electrodynamics surrounding polar cap auroral arcs, EGU General Assembly 2021, Online, April 19-30, 2021.

Q.-H. Zhang, Y.-L. Zhang, C. Wang, M. Lockwood, H.-G. Yang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, Y.-Z. Ma, Q.-G. Zong, J. I. Moen, and L.-D. Xia, Multiple transpolar auroral arcs reveal new insight about coupling processes in the Earth’s magnetotail, EGU General Assembly 2021, Online, April 19-30, 2021.

Y. Wang, Z. Cao, Z.-Y. Xing, Q.-H. Zhang, P. T. Jayachandran, K. Oksavik, N. Balan, and K. Shiokawa, The GPS Scintillations and TEC Variations in Association with A Polar Cap Arc, EGU General Assembly 2021, Online, April 19-30, 2021.

J. P. Reistad, A. Ohma, K. Laundal, N. Østgaard, E. Thomsen, A. Burrell, S. Hatch and S. Haaland, The importance of lobe reconnection during dominant IMF By periods, EGU General Assembly 2021, Online, April 19-30, 2021.

AOGS 2021

D. Zhang, Q.-H. Zhang, Y.-Z. Ma, K. Oksavik, L. R. Lyons, Y.-L. Zhang, N. Balan, X.-Y. Xing, J. Liu, M. Hairston, and X.-Y. Wang, Solar and Geomagnetic Activity Impact on Occurrence and Spatial Size of Cold and Hot Polar Cap Patches, AOGS 2021 Meeting, Online, August 01-06, 2021.

Q.-H. Zhang, Y.-L, Zhang, C. Wang, M. Lockwood, H.-G. Yang, B.-B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, Y.-Z. Ma, Q.-G. Zhong, J. I. Moen, and L. Zia, Multiple Transpolar Auroral Arcs Reveal New Insight About Coupling Processes in the Earth’s Magnetotail, AOGS 2021 Meeting, Online, August 01-06, 2021.  

Q.-H- Zhang, Y.-L. Zhang, C. Wang, K. Oksavik, L. Lyons, M. Lockwood, H.-G. Yang, B.-B. Tang, J. Moen, Z.-Y. Xing, Y.-Z. Ma, Z.-Y. Wang, N.-Y. Fei, and L. Xia, A Space Hurricane Over the Earth’s Polar Ionosphere, AOGS 2021 Meeting, Online, August 01-06, 2021

AGU Fall 2021

Gjerloev, J. and S. Yee, Limitations to Magnetic Indices in Geospace Specification, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021 (Invited talk)

Gjerloev, J. and S. Yee, Electrojet Zeeman Imaging Explorer: A CubeSat Mission to Study The Electrojets, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021 (Invited talk)

J. P. Reistad, K. Laundal, N. Østgaard, A. Ohma, S. Hatch, S. Haaland, A. Burrell, E. Thomas, Isolating and quantifying the effect of lobe reconnection on high latitude ionospheric convection during IMF By dominated periods, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

K. Laundal, J. P. Reistad, S. Hatch, M. Madelaire, A. Ø. Hovland, S. Walker, Local Mapping of Polar Ionospheric Electrodynamics, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

M. Decotte, K. Laundal, S. Hatch and J. P. Reistad (Poster), An Investigation of the Dawn Dusk Asymmetry In the Aurora Occurrence Probability, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

M. Madelaire, K. Laundal, J. P. Reistad, S. Hatch, A. Ohma and S. Haaland  (Poster), The Global Geomagnetic Response to Rapid Changes in Solar Wind Dynamic Pressure, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

S. Walker, M. Decotte, K. Laundal, J. P. Reistad, A. Ohma and S. Hatch (Poster), A new spherical elementary current technique to investigate temporal variations in the electrojets above Fennoscandia, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

OTHER MEETINGS AND SEMINARS

ISWAT Workshop (Virtual): Gjerloev, J. and S. Yee, Electrojet Zeeman Imaging Explorer: A CubeSat Mission to Study The Electrojets, Sept-Oct 2021 (Invited talk)

ISWAT Workshop (Virtual): Gjerloev, J., Space Weather--Should we worry?, Sept-Oct 2021 (Invited talk)

NSF-CEDAR: Gjerloev, J. W., Limitations of magnetic indices in geospace specification, 2021 (Invited talk)

Johns Hopkins APL Heliophysics Seminar Series: Gjerloev, J. W., Space-Weather – Should we worry?, 2021 (Invited seminar)

Solar Wind Magnetosphere Interaction Workshop–APL (Virtual): Gjerloev, J. and S. Yee, Electrojet Zeeman Imaging Explorer: A CubeSat Mission to Study The Electrojets, Aug-Sept 2021 (Invited talk)

UK MIST and Dublin Institute for Advanced Studies: Gjerloev, J. W. and S. Yee, Electojet Zeeman Imaging Explorer (EZIE): A Cubesat Mission to Study The Electrojets, 2021 (Invited seminar)

Hard Radiation from Thunderstorms / 2021

EGU SPRING MEETING

N. Østgaard, A. Mezentsev, M. Marisaldi, P. Kochkin, T. Neubert, V. Reglero, O. Chanrion, N. Lehtinen, D. Sarria, C. Skeie, I. Bjørge-Engeland, A. Lindanger, F. Christiansen, K. Ullaland, G. Genov, C. Budzt Jørgensen, New highlights of gamma-ray observations by ASIM, EGU General Assembly 2021, Online, April 19-30, 2021.

K. Dimitriadou, O. Chanrion, L., Chaumat, H. J. Christian, R. J. Blakeslee, M. Heumesser, N. Østgaard, V. Reglero, T. Neubert, Comparison of lightning observed by ASIM on the International Space Station and GLM on the GOES-16 geostationary satellite, EGU General Assembly 2021, Online, April 19-30, 2021.

L. Boggs, T. Neubert, O. Chanrion, V. Reglero, N. Østgaard, M. Heumesser, A. Nag, E. Bruning, Optical and Radio emissions of a possible blue starter observed by ASIM and the West Texas LMA, EGU General Assembly 2021, Online, April 19-30, 2021.

A. Mezentsev, N. Østgaard, T. Neubert, V. Reglero,  ASIM TGFs associated with high peak current strokes, EGU General Assembly 2021, Online, April 19-30, 2021.

A. Lindanger, M. Marisaldi, D. Sarria, N. Østgaard,, N. Lehtinen, A. Mezentsev, P. Kochkin, C. A. Skeie, K. Ullaland, S. Yang, G. Genov, B. E. Carlson, T. Neubert, V. Reglero, F. Christiansen, C. Kohn, C. Maiorana, I. Bjørge-Engeland, Spectral Analysis of Individual Terrestrial Gamma-ray Flashes Detected by ASIM, EGU General Assembly 2021, Online, April 19-30, 2021.

D. Sarria, N. Østgaard, P. Kochkin, N. Lehtinen, A. Mezentsev, M. Marisaldi, A. Lindanger, C. Maiorana, B. E. Carlson, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, B. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, J. Navarro-Gonzalez, and the Atmosphere-Space Interactions Monitor (ASIM) team, Constraining spectral models of a terrestrial gamma-ray flash from a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor, EGU General Assembly 2021, Online, April 19-30, 2021.

C. A. Skeie, N. Østgaard, A. Mezentsev, I. Bjørge-Engeland, A. Lindanger, T. Neubert, V. Reglero, Investigating the relationship between TGF durations and the onset times of the optical pulses and the TGFs, EGU General Assembly 2021, Online, April 19-30, 2021.

I. Bjørge-Engeland, N. Østgaard, A. Mezentsev, T. Neubert, O. Chanrion, C. A. Skeie, M. Marisaldi, K. Ullaland, G. Genov, V. Reglero, ASIM TGFs with accompanying elves, EGU General Assembly 2021, Online, April 19-30, 2021.

C. Maiorana, M. Marisaldi, M. Fullekrug, S. Soula, J. Lapierre, A. Mezentsev, C. A. Skeie, M. Heumesser, O. Chanrion, N. Østgaard, T. Neubert, V. Reglero, Observation of TGFs at High Latitude, EGU General Assembly 2021, Online, April 19-30, 2021.

Lehtinen, N., Emergence of transverse size in electric streamers (EGU21-5792), EGU General Assembly 2021, Online, 19–30 Apr 2021.

AGU Fall 2021

N. Østgaard, A. Mezentsev, M. Marisaldi, D. Sarria, K. Ullaland, G. Genov, T. Neubert, O. Chanrion, F. Christiansen, S. A. Cummer, G. Lu, V. Reglero, Double TGFs and optical pulses observed by ASIM, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

P. Bitzer, T. Lang, T. Neubert, O. Chanrion, V. Reglero, and N. Østgaard, Multifrequency optical observations of lightning with ISS-LIS and ASIM, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

D. Li, A. Luque, F. J. Gordillo-Vazquez, F. Liu, G. Lu, T. Neubert, O. Chanrion, B. Zhu, N. Østgaard and Reglero V. Reglero, Blue Flashes as Counterparts to Narrow Bipolar Events: the Optical Signal of Shallow In-Cloud Discharges, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

A. Huang, S. A. Cummer, T. Neubert, O. Chanrion, V. Reglero, and N. Østgaard, Transition in Optical and Radio Features during the Initial Leader Development of Intracloud Lightning, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

A. Lindanger, C. A. Skeie, M. Marisaldi, I. Bjørge-Engeland, N. Østgaard, A. Mezentsev, V. Reglero, T. Neubert, Statistical Evidence of Terrestrial Gamma-ray Flashes Production During the Early Stages of Lightning Flashes, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

D. Sarria, N. Østgaard, M. Marisaldi, A. Lindanger, T. Neubert, V. Reglero, Investigating bright TGF events detected by the Atmosphere-Space Interactions Monitor, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

L. Husbjerg, T. Neubert, O. Chanrion, V. Reglero, N. Østgaard, M. Stendel, E. Kaas, K. Dimitriadou, E. Olesen, Investigating blue corona discharges with ASIM, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

V. Reglero, J. Navarro-Gonzales, P. H. Connell, C. Eyles, T. Neubert, N. Østgaard, O. Chanrion, F. Christiansen, ASIM TGF Imaging 2018-2019, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

OTHER MEETINGS AND SEMINARS

29th JEM-EUSO International Meeting: M. Marisaldi, Observation of TGFs and TLEs from Space with ASIM, Virtual meeting, 8 June, 2021

URSI GASS Meeting: N. G. Lehtinen, Mechanism of establishment of electric streamer shape (Sa-HGE-AM1-1), Oral presentation, Rome, Italy, 28 August--4 September, 2021

URSI GASS Meeting: N. Østgaard, New highlights of gamma-ray observations by ASIM (Fr-HGE-AM1-2), Oral presentation, Rome, Italy, 28 August--4 September, 2021

Particle Precipitation / 2021

EGU SPRING MEETING

van Caspel, W. and Espy, P., The mid- to high-latitude migrating semidiurnal tide: Results from a mechanistic tide model and SuperDARN observations, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-1769

Salice, J. A., Tyssøy, H. N., Smith-Johnsen, C., and Babu, E. M., Solar  wind structures and their effects on energetic electron precipitation, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-1084

Babu, E. M., Tyssøy, H. N., Smith-Johnsen, C., Maliniemi, V., Salice, J. A., and Millan, R., Determining latitudinal extent of energetic electron precipitation  using MEPED on-board NOAA POES, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-1240

Edvartsen, J., Maliniemi, V., Tyssøy, H., Asikainen, T., and Hatch, S., The Mansurov Effect, Real or a statistical artefact?, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-2362

Maliniemi, V., Arsenovic, P., Nesse Tyssøy, H., Smith-Johnsen, C., and  Marsh, D. R., Ozone super recovery cancelled in the Antarctic upper stratosphere, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-5376

Smith-Johnsen, C., Nesse Tyssøy, H., Marsh, D. R., Smith, A., and Maliniemi, V., The role of energetic electron precipitation and background dynamics on the seasonal NO variability in the MLT region, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-4525

Nesse Tyssøy, H., Sinnhuber, M., Asikainen, T., Bender, S., Clilverd, M. A., Funke, B., van de Kamp, M., Pettit, J., Randall, C., Reddmann, T., Rodger, C. J., Rozanov, E., Smith-Johnsen, C., Sukhodolov, T., Verronen, P. T., Wissing, J. M., and Yakovchuk, O., HEPPA III intercomparison experiment on electron precipitation impacts: Estimated ionization rates during a geomagnetic active period in April 2010, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-5287

Salminen, A., Asikainen, T., Maliniemi, V., and Mursula, K., Solar-related and terrestrial drivers modulating the northern polar vortex, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-7766

Asikainen, T., Salminen, A., Maliniemi, V., and Mursula, K., Influence of energetic particle precipitation on polar vortex mediated by planetary wave activity, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-3376

AOGS 2021

Willem van Caspel and Robert E. Hibbins, The mid- to high-latitude migrating semidiurnal tide: SuperDARN meteor wind observations and mechanistic tide model simulations, Session AS03 on Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, Asia Oceania Geosciences Society (AOGS), 1–6 Aug 2021 (Invited talk)

W. E. van Caspel and P.J. Espy, Poster: Atmospheric Lunar Tides Simulated Using a Mechanistic Coupled Ocean-Atmosphere Model, Session ST19 Vertical Coupling of the Whole Atmosphere and Its Association to the Generation of Ionospheric Irregularities, Asia Oceania Geosciences Society (AOGS), 1–6 Aug 2021

S. Bender, P. Espy, L. Paxton, Poster: Validation of SSUSI Derived Auroral Ionization Rates and Electron Densities, Session AS03 on Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, Asia Oceania Geosciences Society (AOGS), 1–6 Aug 2021

P. Espy, K. S. Y. Skarvang, W. Van Caspel, R. Hibbins, A. Kavanagh, Poster: Southern Hemisphere Response to Northern Hemisphere Stratospheric Warming Events, Session AS03 on Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, Asia Oceania Geosciences Society (AOGS), 1–6 Aug 2021

P. Espy, I. Reid, S. Yee, Session AS03 on Passive and Active Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, Asia Oceania Geosciences Society (AOGS), 1 – 6 Aug 2021 (Session organizers)

GERMAN PHYSICAL SOCIETY

P. J. Espy, R. E. Hibbins, and W. van Caspel, Using multiple radar stations to examine atmospheric tides and their variability, Session H8 Matter and Cosmos Section (SMuK),  30 Aug–3 Sept 2021 (Invited talk)    

W. van Caspel, and P. J. Espy, The mid-to high-latitude migrating semidiurnal tide: Results from SuperDARN meteor wind observations and mechanistic simulations, session convener: Stefan Bender, Session H8 Matter and Cosmos Section (SMuK), German Physical Society, 30 Aug-3 Sept 2021

S. Bender, P. Espy, and L. Paxton, Validation of SSUSI derived auroral ionization rates and electron densities, Session H8 Matter and Cosmos Section (SMuK), German Physical Society, 30 Aug – 3 Sept 2021

AGU FALL 2021

P. Espy, K. Skarvang, , W. v. Caspel, R. Hibbins, A. Kavanagh (Poster), Southern Hemisphere Response to Northern Hemisphere Stratospheric Warming Events, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

S. Bender, P. Espy, and Larry Paxton (Poster), Empirical modelling of SSUSI derived auroral ionization rates, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

W. v. Caspel, P.J. Espy, G. Stober, P. Brown, C. Jacobi, J. Kero and Evgenia Belova, Mechanistic simulations of the solar and lunar semidiurnal tide response to the 2013 sudden stratospheric warming event, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

G. Stober, A. Kozlovsky, A. Liu, Z. Qiao, M. Tsutsumi, C. M. Hall, S. Nozawa, M. Lester, E. Belova, J. Kero, P. J. Espy, R. E. Hibbins and N. J. Mitchela, Assessing the spatial variability of mesosphere/lower thermospheric winds from multi-static meteor radar networks applying tomographic retrievals with a 3DVAR algorithm, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

H. Nesse Tyssøy, M. Sinnhuber, T. Asikainen, S. Bender, M. Clilverd, B. Funke, M. v. de Kamp, J. Pettit, C. Randall, T. Reddmann, C. Rodger, E. Rozanov, C. Smith-Johnsen, T. Sukhodolov, P. Verronen, J. M. Wissing, O. Yakovchuk, HEPPA III intercomparison experiment on electron precipitation impacts: Estimated ionization rates during a geomagnetic active period in April 2010, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021

H.D. Zúñiga López, H.N. Tyssøy, C. Smith-Johnsen and V.A. Maliniemi (Poster), The impact of Medium Energy Electrons(MEE) on the mesospheric chemistry, temperature, and dynamics, AGU Fall Meeting, New Orleans, US, Dec. 13-17, 2021  

OTHER MEETINGS AND SEMINARS

Japan Geosciences Union: P. Espy, K. S. Y. Skarvang, W. Van Caspel, R. Hibbins, A. Kavanagh, Southern Hemisphere Response to Northern Hemisphere Stratospheric Warming Events, Session P-EM11 Coupling Processes in the Atmosphere-Ionosphere System, 30 May-6 Jun 2021

2020

Dynamics of the Asymmetric Geospace / 2020

EGU Spring Meeting

Hatch, S. M., S. Haaland, K. M. Laundal, T. Moretto, A. W. Yau, L. M. Bjoland, J. P. Reistad, A. Ohma, K. Oksavik, Hemispheric and seasonal variations in the cold plasma outflow source region: polar cap ionosphere electron density at 350–500 km, EGU General Assembly, Online, 4–8 May 2020

Ohma, A., Østgaard, N., Reistad, J. P., Laundal, K. M., and Tenfjord, P., How tail reconnection affects the asymmetric state of the magnetosphere in the LFM model, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-20250

P. Reistad, A. Ohma, K. M. Laundal, T. Moretto, S. E. Milan, N. Østgaard, On the origins of an explicit IMF By dependence on solar wind-magnetosphere coupling, EGU General, Vienna, Austria, 4-9 May, 2020

COSPAR

P. Reistad, A. Ohma, K. M. Laundal, T. Moretto, S. E. Milan, N. Østgaard, Understanding the explicit IMF By dependence on solar wind - magnetosphere coupling, COSPAR Meeting, Sydney, Australia, 15-22 August, 2020 (Invited talk) (canceled due to corona restrictions)

Sembay, R. Hampson , A. Cheney , A. Read, Julian Thornhill, A. Martindale, P. Samara-Ratna, P. Patel, S. Sachdev, C. Feldman, C. Bicknell, J. Carter, G. Branduardi-Raymont , T. Kennedy, D. Walton, S. Smit, A. Samsonov, A. Holland, M. Soman, G. Randall, D. Hall, W. Raab, D. Agnolon, C. Runciman, P. Escoubet, F. Giannini, T. Sun, C. Wang, W. Fei, R. Ottensamer, M. Gudel, F. Kerschbaum, S. Koegl, N. Eaton, S. Krucker, N. Østgaard, K. Oksavik, G. Genov, M. Rostad, M. Stellar, G. Laky, M. C. Bueno, A. B. B. Margeli, J. M. M. Hesse, D. Sibeck, K. Kuntz, M. Collier, S.-Y. Hsieh, B. Walsh, H. Connor, The Soft X-ray Imager (SXI) on the Smile Mission, COSPAR Meeting, Sydney, Australia, 15-22 August, 2020 (canceled due to corona restrictions)

Hatch, S. M., S. Haaland, K. M. Laundal, T. Moretto, A. W. Yau, L. M. Bjoland, J. P. Reistad, A. Ohma, K. Oksavik, Hemispheric and seasonal variations in the cold plasma outflow source region: Swarm and CHAMP observations of F -region polar cap electron density, COSPAR Meeting, Sydney, Australia, 15-22 August, 2020 (canceled due to corona restrictions)

AGU

N. Østgaard, K.M. Laundal, J.P. Reistad, P. Tenfjord, A. Ohma, S.M. Hatch, How large scale asymmetries in geospace are produced and removed, AGU Fall Meeting, Online, 1-17 December, 2020 (Invited talk)

Spicher, A., J. W. LaBelle, J. W. Bonnell, S. R Bounds, L. B. N. Clausen, F. Di Mare, S. A. Fuselier, Y. Jin, C. Kletzing, K. Oksavik, W. J. Miloch, J. Moen, C. Moser, R. Roglans, R. Sawyer, and T. Takahashi, On multi-scale density irregularities observed by sounding rockets within regions of enhanced scintillations in the cusp ionosphere, AGU Fall Meeting, Online, 7-11 December, 2020

Ohma, A., Reistad, J. P. and Hatch, S. M., Modulation of magnetospheric substorm frequency: Dipole tilt and IMF By effects, AGU Fall Meeting, Online, 1–17 December, 2020

Zhang, Q-H., Y. Zhang, C. Wang, K. Oksavik, M. Lockwood, B. Tang, L. R. Lyons, and Z.-Y. Zing, A long-lasting auroral bright spot around magnetic north pole: Is it the evidence of stable lobe magnetic reconnection?, AGU Fall Meeting, Online, -17 December, 2020

Zhang, Q.-H., Y. Zhang, C. Wang, M. Lockwood, H.-G. Yang, B. Tang, Z.-Y. Xing, K. Oksavik, L. R. Lyons, Y.-Z. Ma, Q. Zong, J. Moen, and L. Xia, Multiple transpolar auroral arcs reveal insight about coupling processes in the Earth’s magnetotail, AGU Fall Meeting, Online, 1-17 December, 2020 (Invited talk)

Gjerloev, J., S. Ohtani, S. Zou, I. Cohen and M. Friel, How to resolve decades-old mysteries regarding space-time structuring of the coupled magnetosphere-ionosphere system, AGU Fall Meeting, Online, 1-17 December, 2020

OTHER MEETINGS AND SEMINARS

COSPAR/ISWAT: Gjerloev J. W., Magnetic storms seen through the eyes of SuperMAG, Cape Canaveral, USA, February, 2020 (Invited talk)

JpGU Meeting: Gjerloev, J. W. and S. Ohtani, What is the role of repeatable meso-scale processes in the Magnetosphere-Ionosphere system?, Tokyo, Japan, May, 2020 (Invited talk)

ICPP: S. Haaland, S.M. Hatch, B. Lybekk, A. Pedersen, K.M. Laundal, T. Moretto, J.P. Reistad, K. Oksavik, L. Bjoland, A. Ohma, N. Østgaard, P. Krcelic, An intriguing hemispheric asymmetry in cold plasma density in the magnetotail lobes, ICPP, Los Alamos, US, June 1-4, 2020 (cancelled due to corona)

LMAG Workshop: Gjerloev, J. W., SuperMAG – capabilities and limitations, Maryland, USA, 2020 (Invited talk)

CEDAR 2020: Spicher, A., C. A. Kletzing, S. Bounds, J. W. Bonnell, R. Roglans, S. A. Fuselier, R. Sawyer, D. Rowland, R. Pfaff, J. H. Clemmons, M. Collier, H. Akbari, J. LaBelle, S. Hatch, K. Oksavik, T. Takahashi, J. I. Moen, W. J. Miloch, M. D. Zettergren, K. Deshpande, and Y. Jin, Cusp rocket experiment of density structures, Online, 22-26 June, 2020

JpGU-AGU Joint Meeting: Prikryl, P., J. M. Weygand, R. Ghoddousi-Fard, B. S. R. Kunduri, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, T. Durgonics, and K. Oksavik, Subauroral GPS TEC and phase variations during geomagnetic storms, Online, 12-16 July, 2020

AOGS2020: P. Jamlongkul, J.P. Reistad, F. Søraas, N. Østgaard, S. Wannawichian, K. Haewsantati, Investigation of FUV intensities from SDRs data based on DMSP/SSUSI during the strong geomagnetic storm events,Hongcheon, Korea, 28 June - 4 July, 2020

ESA Space Weather Network Workshop: Gjerloev, J. W., R. Barnes, S. Ohtani, SuperMAG: Global and Continuous Monitoring but is it Sufficient for Operational Space-Weather?, 2020 (Invited talk)

Hard Radiation from Thunderstorms / 2020

URSI

Østgaard, T. Neubert, V. Reglero, O. Chanrion, A. Mezentsev, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C. Skeie, A. Lindanger, M. Heumesser, K. Dimitriadou, J. Navarro-Gonzales, P. Connell, C. Eyles, S. Cummer Y. Pu, F. Christiansen, C. Eyles, K. Ullaland, G. Genov, Recent science results from ASIM, URSI GASS, Rome, 29 August- 5 September 2020. Meeting was postponed to 2021 due to the COVID19 (Invited talk)

T. Neubert, O. Chanrion, K. Dimitriadou, M. Heumesser, E. P. P. Wiinbe, R. C. Jørgensen, L. Husbjerg, J. Montanya, O. van der Velde, N. Østgaard and V. Reglero, Observations of thunderstorms by the Atmosphere-Space Interactions Monitor, URSI GASS, Rome, 29 August - 5 September 2020, Meeting was postponed to 2021 due to the COVID19 (Invited talk)

EGU

Østgaard, A. Mezentsev, S. Cummer, T. Neubert, V. Reglero, O. Chanrion, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C. Skeie, A. Lindanger, Y. Pu, F. Christiansen, K. Ullaland, G. Genov, One TGF and two elves produced by the same thunderstorm system, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

A. Lopez, ..........N. Østgaard, et al., Simultaneous detection of lightning flashes by MMIA-ASIM and Colombia Lightning Mapping Array, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

Dimitriadou, O. Chanrion, T. Neubert, M. Heumesser, A. Protat, V. Louf, H. Christian, R. Blakeslee, C. Kohn, N. Østgaard and V. Reglero, Analysis of Blue Discharges in Thunderclouds, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

Lindanger, M. Marisaldi, N. Østgaard, A. Mezentsev, T. Neubert, V. Reglero, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C. A. Skeie, I. Bjørge-Engeland, K. Ullaland, G. Genov, F. Christiansen, C. Kohn, Energy spectrum from single TGFs detected by ASIM, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

Chanrion, T. Neubert, V. Reglero, N. Østgaard, and ASIM team, Analysis of Elves observations from about 2 years of ASIM operation, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

M. Marisaldi, A. Mezentsev, D. Sarria, A. Lindanger, N. Østgaard, T. Neuber, V. Reglero, P. Kochkin, N. Lehtinen, C. Maiorana, C. A. Skeie, I. Bjørge-Engeland, K. Ullaland, G. Genov, F. Christiansen, H. Christian, S. Al-Nussirat, M. Briggs, A. Ursi, M. Taviani, Simultaneous observation of Terrestrial Gamma-ray Flashes by ASIM, Fermi and AGILE, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

C. Maiorana, M. Marisaldi, A. Mezentsev, N. Østgaard, M. Fullekrug, S. Soula, T. Neubert, V. Reglero, Observation of TGFs at high-latitude, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

P. Kochkin, N. Østgaard, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, M. Marisaldi, A. Mezentsev, N. Lehtinen, D. Sarria, A. Lindanger, I. Bjørge-Engeland, C. A. Skeie, B. H. Qureshi, A. Solberg, C. Maiorana, F. Christiansen, Multipulse TGFs and associated optical emission as seen by ASIM, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

Reglero, P. Connell, J. Navarro, C. Eyles, N. Østgaard, T. Neubert, F. Fabro, J. Montanya, A. Mezentsev, O. Chanrion, F. Christiansen, P. Kochkin, Extreme TGF Imaging by ASIM, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

A. Mezentsev, N. Østgaard, M. Marisaldi, P. Kochkin, T. Neubert, O. Chanrion, M. Heumesser, V. Reglero, F. Christiansen, K. Ullaland, G. Genov, Lightning optical context associated with ASIM TGFs, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

I. Bjørge-Engeland, N. Østgaard, C. A. Skeie, A. Mezentsev, T. Neubert, V. Reglero, M. Marisaldi, P. Kochkin, N. G. Lehtinen, D. Sarria, C. Maiorana, A. Lindanger, F. Christiansen, K. Ullaland, G. Genov, Time sequence of TGFs and optical pulses detected by ASIM, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

C. A. Skeie, N. Østgaard, I. Bjørge-Engeland, A. Mezentsev, T. Neubert, V. Reglero, M. Marisaldi, P. Kochkin, N. G. Lehtinen, D. Sarria, C. Maiorana, A. Lindanger, F. Christiansen, K. Ullaland, G. Genov, Assessing the relationship between the TGF durations and the onset times of the TGFs and the main optical pulses as detected by ASIM, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

D. Sarria, P. Kochkin, N. Østgaard, A. Mezentsev, N. G. Lehtinen, M. Marisaldi, C. Maiorana, T. Neubert, V. Reglero, B. E. Carlson, K. Ullaland, S. Yang, G. Genov, B. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, J. Navarro-Gonzales, P. H. Connell, C. J. Eyles, Observation of a Terrestrial Electron Beam during the tropical cyclone Joaninha in March 2019, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

M. Heumesser, O. Chanrion, T. Neubert, K. Dimitriadou, C. Kohn, F. J. Gordillo-Vazquez, A. Luque, F. J. Perez-Invernon, H. Christian, R. Blakeslee, N. Østgaard, A. Mezentsev and M. Marisaldi, Inferring Source Altitudes for Optical Emissions Associated with TGFs, EGU General Assembly, Vienna, Austria, 4-9 May, 2020

AGU

N. Østgaard, S.A. Cummer, A. Mezentsev, T. Neubert, V. Reglero, M. Marisaldi, P. Kochkin, D. Sarria, K. Ullaland, S. Yang, G. Genov, O. Chanrion, F. Christiansen, Y. Pu, A. Luque, J. Dwyer, TGF and  elves produced by the same thunderstorm system, AGU Fall Meeting, Online, 1-17 December, 2020

M. Marisaldi, A. Mezentsev, D. Sarria, A. Lindanger, N. Østgaard, T. Neubert V. Reglero, P. Kochkin, M. Lehtinen, C. Maiorana, C. A. Skeie, I. Bjørge-Engeland, K. Ullaland, G. Genov, F. Christiansen, H. Christian, S. Al-Nussirat, M. Briggs, A. Ursi, M. Tavani, ASIM - Fermi - AGILE simultaneous observation of Terrestrial Gamma-ray Flashes, AGU Fall Meeting, Online, 1-17 December, 2020

Sarria, N. Østgaard, P. Kochkin, N. Lehtinen, A. Mezentsev, M. Marisaldi, A. Lindanger, C. Maiorana, B. E. Carlson, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, B. H. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F.Christiansen, O. Chanrion, J. Navarro-Gonzalez, P. Connel, C. Eyles, Constraining spectral models of terrestrial gamma-ray flashesfrom a terrestrial electron beam observation by the Atmosphere-Space Interactions Monitor, AGU Fall Meeting, Online, 1-17 December, 2020

Lehtinen, N., (iposter), Effect of collective propagation of streamers on their parameters, AGU Fall Meeting, Online, 1-17 December, 2020

OTHER MEETINGS AND SEMINARS

University of Ferrara: M. Marisaldi, Accelerators in the clouds: Terrestrial Gamma-ray flashes from discovery to the ASIM mission onboard the International Space Station, 15 January 2020, Dept. of Physics and Earth Sciences, Ferrara, Italy (Invited seminar)

Florida Institute of Technology: M. Marisaldi, Accelerators in the clouds: Terrestrial Gamma-ray flashes from discovery to the ASIM mission onboard the International Space Station, 15 January 2020, Aerospace Physics & Space Sciences Dept., Melbourne, FL, USA (Invited seminar)

JpGU - AGU Joint meeting: N. Østgaard, S. Cummer, A. Mezentsev, T. Neubert, V. Reglero, O. Chanrion, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C. Skeie, A. Lindanger, Y. Pu, F. Christiansen, C.Eyles, K. Ullaland, G. Genov, One TGF and two elves produced by the same thunderstorm system, Chiba, Japan, 24-28 May, 2020 (Invited talk)

EUMETSAT Conference: M. Heumesser, O. Chanrion, T. Neubert, K. Dimitriadou, H. Christian, R. Blakeslee, N. Østgaard, A. Mezentsev and V. Reglero, Optical Signatures Associated with Terrestrial Gamma-Ray Flashes in the 777.4 nm band and their relevance for MTG-I LI, Wurzburg, Germany, 28 September- 2 October, 2020

Particle Precipitation / 2020

EGU

V. Maliniemi, D. Marsh, H. N. Tyssøy, and C.Smith-Johnsen, Will climate change impact polar NOx produced by energetic particle precipitation?, EGU General Assembly, Online, 4–8 May 2020

AGU

J. Pitzel, C. M. Cully, H. N. Tyssøy, J.-F. Ripoll, D. L. Turner and G. D. Reeves, Temporal Evolution of Near-Slot Precipitation Events During and AfterSlot-Filling Injections, AGU Fall Meeting, Online, -17 December, 2020

C. M. Cully, J.-F. Ripoll, D. L. Turner, G. D. Reeves, H. N. Tyssøy, J. Pitzel, D. Megan Gillies, E. Donovan and E. Spanswick, The association between slot-filling injections and subauroral (STEVE) Emissions, AGU Fall Meeting, Online, -17 December, 2020

W. Xu, R.A. Marshall, H. N. Tyssøy and X. Fang, A Generalized Method for Calculating Atmospheric Ionization by EnergeticElectron Precipitation, AGU Fall Meeting, Online, -17 December, 2020

N. Partamies, E. C. Bland, F. Tesema, Characterisation and atmospheric impact of pulsating aurora, AGU Fall Meeting, Online, -17 December, 2020

S. Bender, P. J. Espy, L. J. Paxton, Thermospheric ionization from auroral particle precipitation observed bythe SSUSI satellite instruments, AGU Fall Meeting, Online, -17 December, 2020

OTHER MEETINGS AND SEMINARS

WCRP/SPARC SATIO-TCS Joint Workshop: Orsolini, Y., Solar Impact on Climate through Energetic Particle Precipitation, 21-25 February 2020, Kyoto, Japan

2019

Dynamics of the Asymmetric Geospace / 2019

EGU Spring Meeting

Reistad, J.P., Laundal, K.M., Ohma, A., Østgaard, N., Thomas, E.G., Haaland, S., Oksavik, K., Milan, S., A new way to identify and quantify the sources of ionospheric convection, EGU Spring Meeting, Vienna, April 2019

Hatch, S., Jørgensen, T.M., Lynch, K., and Laundal, K.M., Southern and Northern Hemisphere relationships between ion outflow and magnetic field fluctuations, EGU Spring Meeting, Vienna, April 2019

A. Ohma, N. Østgaard, J. P. Reistad, P. Tenfjord, K. M. Laundal, T. M. Jørgensen, S. E. Haaland, P. Krcelic and S. Milan, Cluster EDI Observations of the Asymmetric Plasma Convection in the Magnetotail Lobes During Different Levels of Tail Reconnection Rate, EGU Spring Meeting, Vienna, April 2019

T.M. Jørgensen, M. Hesse, M. Kuznetsova, L. Rastaetter, S. Vennerstrøm, and P. Tenfjord (poster), Physics-based validation of global MHD models, EGU Spring Meeting, Vienna, April 2019

Laundal, K. M., Hatch, S. and Moretto, T., Magnetic effects of plasma pressure gradients in the upper F region, EGU Spring Meeting, Vienna, April 2019

Pitkänen, T., Kullen, A., Shi, Q., Laundal, K. M., Tenfjord, P., Park, J.-S., Tian, A., Hamrin, M. and Spiegeleer, A. D., IMF By influence on magnetospheric convection in the Earth’s magnetotail, EGU Spring Meeting, Vienna, April 2019

19th INTERNATIONAL EISCAT SYMPOSIUM

Han, D.-S., T. Xu, Y. Jin, K. Oksavik, X.-C. Chen, J.-J. Liu, Q. Zhang, L. Baddeley, and K. Herlingshaw, Meso-scale ionospheric flow cells, localized Joule heating, and ion upflow associated with throat aurora as observed by EISCAT, 19th International EISCAT Symposium 2019 and 46th Annual European Meeting on Atmospheric Studies by Optical Methods, Oulu, Finland, August 19-23, 2019

Spicher, A., K. Oksavik, Y. Jin, L. B. N. Clausen, M. D. Zettergren, K. B. Deshpande, J. I. Moen, and L. Baddeley, A reverse flow event as the onset of ionospheric scintillation irregularities in the cusp, 19th International EISCAT Symposium 2019 and 46th Annual European Meeting on Atmospheric Studies by Optical Methods, Oulu, Finland, August 19-23, 2019

ASIA OCEANIA GEOSCIENCES SOCIETY (AOGS)

Jin, Y., and K. Oksavik, Severe GPS Phase and Amplitude Scintillations at High Latitudes During the 2015 St. Patrick’s Day Storm, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019 (Invited talk)

Spicher, A., K. Oksavik, Y. Jin, J. I. Moen, L. J. Baddeley, and L. B. N. Clausen, On the sources of Cusp Ionospheric Scintillation Irregularities, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019

Zhou, S., Q.-H. Zhang, K. Oksavik, L. Lyons, Z.-Y. Xing, Y.-Z. Ma, M. Hairston, and Y. Wang (poster), Statistical Study of the Relationship Between Ion Upflow and Field-aligned Current in the Topside Ionosphere for Both Hemispheres During Disturbed and Quiet Times, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019

Ma, Y.-Z., Q.-H. Zhang, Z.-Y. Xing, R. Heelis, K. Oksavik, and Y. Wang (poster), The Ion/Electron Temperature Characteristics of Polar Cap Classical and Hot Patches and Their Influence on Ion Upflow, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019

Zhang, Q.-H., G.-C. Shen, Y. Zhang, K. Oksavik, M. Lockwood, Z.-Y. Xing, and Y.-Z. Ma, A Long-lasting Auroral Bright Spot Around Magnetic North Pole: Is It the Evidence of Stable Magnetic Reconnection?, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019

M. Laundal, A. Ohma, J. P. Reistad, P. Tenfjord, N. Østgaard, Tail Reconnection Reduces Interhemispheric Asymmetry, AOGS 2019 Meeting, Singapore, July 28 – August 2, 2019

27th IUGG GENERAL ASSEMBLY

Clemmons, J., D. Rowland, R. Pfaff, J. Hecht, M. Collier, J. Moen, J. Keller, J. McLain, J. Burchill, J. Klenzing, L. Kepko, M. Lester, K. Oksavik, F. Sigernes, M. Zettergren, R. Michell, N. Paschalidis, S. Jones, A. Spicher, F. Di Mare, T. Moore, B. Giles, G. Grubbs, T. Yeoman, and K. Herlingshaw, Results from a Grand Challenge Initiative-Cusp Mission: VISIONS-2, 27th IUGG General Assembly, Montreal, Canada, 8-18 July, 2019

Laundal, K. M., Reistad, J. and Snekvik, K., Modelling the AL Index Using Solar Wind Parameters, 27th IUGG General Assembly, Montreal, Canada, 8-18 July, 2019

LIVING PLANET SYMPOSIUM

Olsen, N., Alken, P., Hulot, G., Laundal, K. M. and Stolle, C., Exploring Earth from space – Towards a true swarm of magnetic satellites, Living Planet Symposium, Milan, Italy, May, 2019

Laundal, K. M., Hatch, S. and Moretto ,T. (poster), Magnetic effects of plasma pressure gradients at Swarm altitudes in Living Planet Symposium, Living Planet Symposium, Milan, Italy, May, 2019

Hatch, S., Jørgensen, T.M., Laundal, K.M., The relative importance of diamagnetic effects in the high-latitude ionosphere, Living Planet Symposium, Milan, Italy, May, 2019

29TH CLUSTER WORKSHOP

Ohma, A., Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., Moretto Jørgensen, T., Haaland, S. E., Krcelic, P., Milan, S., Observations of Asymmetric Lobe Convection for Weak and Strong TailReconnection, 29th Cluster Workshop, Lanzarote, 7-11 October 2019 (Invited talk)

S. Haaland, E. Vilenius, P. Daly, P. Krcelic, I. Dandouras, Heavy Metal & Rock in Space: Cluster RAPID observations of Fe and Si, 29th Cluster Workshop, 7-11 October, Lanzarote Spain

GEM WORKSHOP

Gjerloev, J., S. Ohtani, R. Barnes, M. Potter, T. Motoba, K. Takahashi, C. Waters, M. Friel, SuperMAG News, GEM Workshop, Santa Fe, New Mexico, USA, 2019 (Invited talk)

Gjerloev, J., S. Ohtani, R. Barnes, M. Potter, T. Motoba, K. Takahashi, C. Waters, M. Friel, SuperMAG 1-sec Data and ULF Pc2-Pc5 Properties, GEM Workshop, Santa Fe, New Mexico, USA, 2019

Ohma, A., Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., How asymmetries in Geospace evolve during increased tail reconnection, GEM Workshop, Santa Fe, June 2019

ICS 14

Ohma, A., Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., How Asymmetries in Geospace Evolve During Substorms, 14th International Conference on Substorms, Tromsø, October 2019 (Invited talk) 

S. Haaland, J. Gjerloev, T. Joergensen, Predicting space weather: Comparison of L1 solar wind monitor data with in situ data from the magnetosheath, 14th International Conference on Substorms, 30 Sep - 4 Oct, Tromsø, Norway

SDQW

Hatch, S.M., Jørgensen, T.M., Laundal, K.M.Haaland, S., Yau, A., Bjoland, L.Swarm as a platform for ion outflow studies, Swarm Data Quality Workshop, Prague, Czech Republic, 16- 20 September, 2019

Laundal, K. M., Time-scale dependence of the Average Magnetic field and Polar current System (AMPS) model, Swarm Data Quality Workshop, Prague, Czech Republic, 16- 20 September, 2019

OTHER MEETINGS & SEMINARS

SIOS Polar Night Week: Hatch, S. (poster), EDGAR: Energy Deposition in the Geomagnetic Cusp Alfvén Resonator, Svalbard, January, 2019

International Space Science Institute: Hatch, S., Jørgensen, T.M., Lynch, K., and Laundal, K.M., FAST observations of cusp/cleft-region ion upflow and field variations, Team 438 Meeting, Bern, Switzerland, February 2019

24th ESA Symposium on European Rocket & Balloon programmes and related research: LaBelle, J., C. Kletzing, S. Bounds, C. Moser, J. I. Moen, K. Oksavik, T. K. Yeoman, and S. M. Hatch, The Cusp Alfven and Plasma Electrodynamics 2 Mission, Essen, Germany, June 16-20, 2019

24th ESA Symposium on European Rocket & Balloon programmes and related research: Rowland, D. E., J. Burchill, J. Clemmons, M. Collier, F. DiMare, J. Hecht, S. Jones, J. Keller, L. Kepko, J. Klenzing, M. Lester, J. McLain, R. Michell, J. Moen, K. Oksavik, N. Paschalidis, R. Pfaff, F. Sigernes, A. Spicher, and M. Zettergren, VISIONS-2: Imaging ion energization in the cusp, Essen, Germany, June 16-20, 2019

Japan Geoscience Union Meeting 2019: Zhang, Q.-H., G.-C. Shen, Y. L. Zhang, K. Oksavik, M. Lockwood, Z.-Y. Xing, and Y.-Z. Ma (poster), A long-lasting auroral bright spot around magnetic north pole: Is it the evidence of stable magnetic reconnection?, Makuhari Messe, Chiba, Japan, May 26-30, 2019

Japan Geoscience Union Meeting 2019: Zhou, S.-Y., Q.-H. Zhang, P. T. Jayachandran, K. Oksavik, L. Lyons, Z.-Y. Xing, Y.-Z. Ma, M. Hairston, and Y. Wang (poster), Statistical study of the relationship between ion upflow and field-aligned current in the topside ionosphere for both hemispheres during disturbed and quiet times, Makuhari Messe, Chiba, Japan, May 26-30, 2019

The Plasma Physics of the Magnetosphere: Gjerloev, J. and S. Ohtani, Relating observations to processes: How to avoid flying blind, Bra-Pollenzo, Italy, 2019 (Invited talk)

Observatory Days: Laundal, K. M., An empirical model of the average magnetic field and polar current system, based on Swarm and CHAMP magnetometer measurements, Sodankylä, University of Oulu, Finland, 2019

ICES 2019 –Ion Composition in the Sun Earth System: S. Haaland, Heavy Metal and Rock in Space: Cluster Observations of Fe and Si, Durango, Co, 28 Jul to 3 Aug, 2019  (Invited talk)

15th IMAGE Meeting: Laundal, K. M., Relating magnetic field disturbances on ground and in space – Downward propagation of the AMPS model magnetic field, Uppsala, Sweden,  5-6 September, 2019 (Invited talk)

15th IMAGE Meeting: Gjerloev, J., Friel, M., Barnes, R., Potter, M., Motoba, T., Ohtani, S., SuperMAG and the far from boring Sq current system, IMAGE meeting, Uppsala, Sweden, 5-6 September, 2019 (Invited talk)

SuperDARN Workshop: J. P. Reistad, K. M. Laundal, A. Ohma, N. Østgaard, E. G. Thomas, S. Haaland, K. Oksavik, S. E. Milan (poster), A new way to identify and quantify the sources of ionospheric convection, Fuji, Japan, June 2-7, 2019

AGU FALL MEETING

S.E. Milan, J. Alyson Carter, M-T. Walach, H. Sangha, K. Laundal, N. Østgaard, P. Tenfjord, J. P. Reistad, B. J. Anderson (poster), Timescales of Dayside and Nightside Field-Aligned Current Response to Changes in Solar Wind-Magnetosphere Coupling, AGU Fall Meeting, San Francisco, 9-13 December, 2019

P. Jamlongkul, J. P. Reistad, F. Søraas, N. Østgaard, S. Wannawichian, K. Haewsantati (poster), Investigation of FUV irradiances from SDRs data based on DMSP/SSUSI during various strong geomagnetic storm events, AGU Fall Meeting, San Francisco, 9-13 December, 2019

P. Reistad, K. M. Laundal, A. Ohma, N. Østgaard, E. G. Thomas, S. Haaland, K. Oksavik, S. E. Milan (poster), Quantifying the dipole tilt influence on reverse convection cells during northward IMF using spherical elementary functions, AGU Fall Meeting, San Francisco, 9-13 December, 2019

P. Tenfjord, N. Østgaard, R. Strangeway, M. Hesse, J.P. Reistad, K. Laundal, A. Ohma, S. Haaland, K. Snekvik, S. E. Milan, Magnetospheric response and reconfiguration times following IMF By reversals, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited talk)

Laundal K., Reistad J. P., Moretto T., Hatch M., Ohma A., Using platform magnetometers to resolve dynamics of polar ionospheric currents, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited poster)    

Laundal K., Reistad J. P., Moretto T., Hatch M., Ohma A. (talk), Time-scale dependence of solar wind-based regression models, AGU Fall Meeting, San Francisco, 9-13 December, 2019

D. E. Rowland, J. Moen, R. F. Pfaff, J. H. Clemmons, A. Spicher, H. T. Freudenreich, F. Sigernes, K. Oksavik, J. H. Hecht, M. R. Collier, J. W. Keller, J. L. McLain, M. D. Zettergren, J. Klenzing, L. Kepko, and M. Lester, VISIONS-2 observations of the electrodynamics of magnetosphere-ionosphere coupling, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited poster)

D.E. Rowland, J. Moen, R. F. Pfaff, J. H. Clemmons, A. Spicher, H. T. Freudenreich, F. Sigernes, K. Oksavik, J. H. Hecht, M. R. Collier, J. W. Keller, J. L. McLain, M. D. Zettergren, J. Klenzing, L. Kepko, and M. Lester, VISIONS-2 observations of ion heating and energization near the exobase, and the role of wave-particle interactions, AGU Fall Meeting, San Francisco, 9-13 December, 2019 2019 (Invited talk)

F. Follestad, K. Herlingshaw, H. Ghadjari, D. J. Knudsen, K. A. McWilliams, J. Moen, K. Oksavik, A. Spicher, and J. Wu, Birkeland Current Impacts on Cusp Ionospheric Irregularities, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited talk)  

C. Moser, J. W. LaBelle, C. Kletzing, S. R. Bounds, S. Hatch, K. Oksavik, J. W. Bonnell, S. A. Fuselier, J. Moen, A. Spicher, F. Sigernes, and I. Cairns, CAPER-2 and TRICE-2 Sounding Rocket Investigations: Whistler and Upper-Hybrid Waves in the Polar Cusp, AGU Fall Meeting, San Francisco, 9-13 December, 2019

A. Spicher, K. Deshpande, M. D. Zettergren, K. Oksavik, Y. Jin, L. B. N. Clausen, and J. Moen, Modeling scintillation produced by ionospheric Kelvin Helmholtz in the cusp ionosphere using GEMINI-SIGMA, AGU Fall Meeting, San Francisco, 9-13 December, 2019

R.F. Pfaff, D. E. Rowland, H. T. Freudenreich, J. H. Clemmons, J. Moen, K. Oksavik, A. Spicher, and S. C. Martin, Dual Sounding Rocket Observations of Plasma Convection and Shear, Field-aligned Currents, and Alfven waves and Irregularities in the Cusp during IMF Bz Negative Conditions, AGU Fall Meeting, San Francisco, 9-13 December, 2019

J.H. Clemmons, D. E. Rowland, J. H. Hecht, R. F. Pfaff, R. Michell, J. Moen, K. Oksavik, F. Sigernes, M. Lester, and A. Spicher, VISIONS-2 observations of electron dynamics and Alfvén waves, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Gjerloev, J. and M. Friel (poster), Striking Variability of the Sq Current: Causality and Monitoring, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Hard Radiation from Thunderstorms / 2019

EGU Spring Meeting

C.A. Skeie, N. Østgaard, P. Kochkin, D. Sarria, N. G. Lehtinen, A. de Boer, M. Bardet, C. Allasia, F. Flourens, and A.P.J. van Deursen (poster), Recoil leader properties estimated from X-ray emission in aircraft triggered discharges, EGU Spring Meeting, Vienna, April 2019

Marisaldi, M., Østgaard, N., Neubert, T., Reglero, V., Ullaland, K., Yang, S., Genov, G., Mezentsev, A., Kochkin, P., Lehtinen, N., Sarria, D., Qureshi, B.H., Solberg, A., Maiorana, C., Budtz-Jørgensen, C., Kuvvetli, I., Christiansen, F., Chanrion, O., Heumesser, M., Navarro-Gonzales, J., Connell, P., Chris Eyles, C., Christian, H., Al-Nussirat, S. (poster), ASIM - Fermi simultaneous observation of Terrestrial Gamma-ray Flashes, EGU Spring Meeting, Vienna, April 2019

Lehtinen, N., What determines streamer speed and radius?, EGU Spring Meeting, Vienna, April 2019

Maiorana, C., Marisaldi, M., Lindanger, A., Østgaard, N., Ursi, A., Tavani, M. (poster), The 3rd AGILE TGF Catalogue: New Selection Criteria and Characteristics of the Sample, EGU Spring Meeting, Vienna, April 2019

Lindanger, A., Marisaldi, M., Maiorana, C., Østgaard, N., Ursi, A., Tavani, M. (poster), The 3rd AGILE TGF catalog: simultaneous lightning associations, EGU Spring Meeting, Vienna, April 2019

M. Marisaldi, N. Østgaard, T. Neubert, Vi. Reglero, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, C. Maiorana, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles, H. Christian, S. Al Nussirat, Highlights and new science from first year of TGF observations by ASIM, EGU Spring Meeting, Vienna, April 2019

S. Soler, F. J. Perez-Invernon, F. J. Gordillo-Vazquez, A. Malagon, A. Luque, J. Navarro-Gonzalez, V. Reglero, T. Neubert, N. Østgaard, O. Chanrion, K. Dimitriadou, C. Zucotti, M. Heumesser, Analysis of spectral emissions associated with thunderstorm activity detected by ASIM, EGU Spring Meeting, Vienna, April 2019

C. Kohn, N. Østgaard, V. Reglero, and the ASIM team, Modeling the production of gamma-ray flashes from encountering leaders, EGU Spring Meeting, Vienna, April 2019

T. Neubert, N. Østgaard, V. Reglero, E. Blanc, O. Chanrion, M. Heumesser, K. Dimitriadou,T. Farges, H. Christian, R. Blakeslee, C. Budtz-Jørgensen, I. Kuvvetli, I. Lundgaard Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, Observations of Lightning, TLEs and TGFs with the Atmosphere-Space Interactions Monitor on the International Space Station, EGU Spring Meeting, Vienna, April 2019 (Invited talk)

V. Reglero, N. Østgaard, T. Neubert, P. Connell, C. J. Eyles, J. Navarro, M. Marisaldi, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, B. H. Oureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, P. Brauer, A. Solberg, The first half year of ASIM TGF Imaging, EGU Spring Meeting, Vienna, April 2019

O. Chanrion, T. Neubert, S. A Cummer, M. Heumesser, K. Dimitriadou, N. Østgaard, V. Reglero, R. J. Blakeslee, K. Virts, H. J. Christian, I. L. Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, Global map of thunderstorm flashes from one year of ASIM operation, EGU Spring Meeting, Vienna, April 2019

A. Mezentsev, P. Kochkin, N. Østgaard, D. Sarria, H. Christian, E. Grove, M. Quick, S. Al-Nussirat, E. Wulf, G. Genov, K. Ullaland, M. Marisaldi, N. Lehtinen, In-cloud gamma-ray glow termination mechanism, EGU Spring Meeting, Vienna, April 2019

P. Kochkin, C.A. Skeie, A. I. de Bohr, M. Bardet, C. Allasia, F. Flourens, H. J. Christian, J. E. Grove, M. Quick, S. A. Nussirat, E. Wulf, S. Yang, G. Genov, K. Ullaland, M. Marisaldi, N. Lehtinen, A. Mezentsev, D. Sarria, A. P. J. Deursen, N. Østgaard, High-Energy Atmospheric Phenomena observed in "lightning hole" proximity, EGU Spring Meeting, Vienna, April 2019

K. Dimitriadou, O. Chanrion, T. Neubert, M. Heumesser, N. Østgaard, V. Reglero, T. Farges, R. Blakeslee, K. Virts, H. Christian, F. Gordillo-Vazquez, I. L. Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, Spectral properties of lightning and TLEs observed by ASIM on the International Space Station, EGU Spring Meeting, Vienna, April 2019

M. Heumesser, O. Chanrion, T. Neubert, K. Dimitriadou, N. Østgaard, V. Reglero, T. Farges, R. Blakeslee, K. Virts, H. Christian, F. Gordillo-Vazquez, I. . Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, C. Budtz-Jørgensen, I. Kuvvetli, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, Properties of Lightning Associated with TGFs as Observed by ASIM, EGU Spring Meeting, Vienna, April 2019

D. Sarria, P. Kochkin, N. Østgaard, A. Mezentsev, N. Lehtinen, M. Marisaldi, C. Maiorana, K. Albrechtsen, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, B. Hasan Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen , O. Chanrion, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles, The First Terrestrial Electron Beam Observed by The Atmosphere-Space Interactions Monitor, EGU Spring Meeting, Vienna, April 2019

OTHER MEETINGS & SEMINARS

National Institute for Astrophysics (INAF): Marisaldi, M., From astrophysics to Earth observation: first science results of the Atmosphere-Space Interaction Monitor (ASIM) mission onboard the International Space Station, Bologna, Italy, 31 January 2019 (Invited seminar)      

Institute for Atmospheric Sciences and Climate (CNR-ISAC): Marisaldi, M., The Atmosphere-Space Interaction Monitor (ASIM) mission onboard the International Space Station: first science results, Rome, Italy, 29 January 2019 (Invited seminar)

Department of Physics, Univ. of Torino: M. Marisaldi, The Atmosphere-Space Interaction Monitor (ASIM) mission onboard the International Space Station: the first year of science results, April, 2019, Torino, Italy (Invited seminar)

AstroParticule et Cosmologie, University of Paris: D. Sarria, N. Østgaard, P. Kochkin, A. Mezentsev, N. Lehtinen, M. Marisaldi, C. Maiorana, K. Albrechtsen, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, B. H. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, K. Dimitriadou, J. Navarro-Gonzales, P. Connel, C. Eyles and the ASIM Collaboration, The first results of the ASIM space mission to study the Terrestrial Gamma Ray Flashes and associated electron beams, May 2019, Paris

Proceedings of VII International Conference on Frontiers of Nonlinear Physics: Lehtinen, N. G., Electric streamers as a nonlinear instability, Nizhniy Novgorod-Saratov-Nizhniy Novgorod, Russia, June 28-July 4, 2019

ICOLSE2019: P. Kochkin, A.P.J. van Deursen, A.I. de Boer, M. Bardet, C. Allasia, F. Flourens, N. Østgaard, The Bidirectional Leader Initiation from Aircraft, Wichita, Kansas, September 10-13, 2019

New York University – Abu Dhabi, UAE: Marisaldi, M., Accelerators in the clouds: Terrestrial Gamma-ray flashes from discovery to the ASIM mission onboard the International Space Station, 9 October, 2019 (Invited talk)

27th IUGG General Assembly: N. Østgaard, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, M. Marisaldi, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, C. Maiorana, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles, Recent results from ASIM mission, Montreal, Canada, July 8-18, 2019

AGU FALL MEETING

Østgaard, T. Neubert, V. Reglero, O. Chanrion, A. Mezentsev, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C.A. Skeie, A. Lindanger, M. Heumesser, K. Dimitriadou, J. Navarro-Gonzales, P. Connell, C. Eyles, New science results from ASIM, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited talk)

J. Perez-Invernon, S. Soler, F. J. Gordillo-Vazquez, A. Luque, D. Li, A. Malagon-Romero, T. Neubert, O. Chanrion, K. Dimitriadou, M. Heumesser, V. Reglero, J. Navarro-Gonzalez, N. Østgaard, G. Lu, H. Zhang, A. Huang, Analysis of blue discharges detected by ASIM-MMIA with indication of their source altitudes and electromagnetic signature, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Chanrion, T. Neubert, C. Zuccotti, M. Heumesser, K. Dimitriadou, F. J. Gordillo-Vazquez, F. J. Perez-Invernon, N. Østgaard, A. Mezentsev, V. Reglero, Analysis of Elves: observations from one year of ASIM operation, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Dimitriadou, O. Chanrion, T. Neubert, M. Heumesser, A. Protat, V. Louf, C. Kohn, N. Østgaard, V. Reglero, F. J. Gordillo-Vazquez, F. J. Perez-Invernon, A meteorological study of a blue discharge-producing Australian thunderstorm captured by ASIM on the ISS, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Østgaard, A. Mezentsev, S. Cummer, T. Neubert, V. Reglero, O. Chanrion, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C.A. Skeie, A. Lindanger, Y. Pu, One TGF and two elves produced by the same thunderstorm system, AGU Fall Meeting, San Francisco, 9-13 December, 2019

C.A. Skeie, N. Østgaard, A. Mezentsev, T. Neubert, V. Reglero, O. Chanrion, M. Marisaldi, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, A. Lindanger, I. B. Engeland, The relationship between the TGF durations and the relative onset times of the TGFs and main optical pulse, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Kochkin, N. Østgaard, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, M. Marisaldi, A. Mezentsev, N. Lehtinen, D. Sarria, I. Engeland, B. Hasan Qureshi, A. Solberg, C. Maiorana, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, C. Kohn, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles, J. Dwyer, S. Celestin, On multi-pulse TGFs observed by the ASIM payload on the International Space Station, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Marisaldi, N. Østgaard, T. Neubert, V. Reglero, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C.A. Skeie, A. Lindanger, O. Chanrion, M. Heumesser, K. Dimitriadou, J. Navarro-Gonzales, P. Connell, C. Eyles, F. Christensen, Terrestrial Gamma-ray Flashes science highlights from the ASIM mission, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited talk)

Reglero, P. Connell, J. Navarro, C. Eyles, N. Østgaard, T. Neubert, F. Fabro, J. Montanya, A. Mezentsev, O. Chanrion, F. Christiansen, P. Kochkin, Extreme TGF Imaging by ASIM, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Lindanger, M. Marisaldi, N. Østgaard, A. Mezentsev, T. Neubert, V. Reglero, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C.A. Skeie, I. B. Engeland, Energy spectrum from single TGFs detected by ASIM, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Heumesser, O. Chanrion, T. Neubert, K. Dimitriadou, C. Kohn, F. Christiansen, I. Lundgaard Rasmussen, N. Østgaard, V. Reglero, A. Mezentsev, M. Marisaldi, F. J. Gordillo-Vazquez, A. Luque, F. J. Perez-Invernón, R. Blakeslee, K. Virts and H. Christian, UV and Optical Lightning Activity Associated with TGFs, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Sarria, P. Kochkin, N. Østgaard, B. E. Carlson, A. Mezentsev, N. Lehtinen, M. Marisaldi, C. Maiorana, K. Albrechtsen, T. Neubert, V. Reglero, K. Ullaland, S. Yang, G. Genov, B. H. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles, Observation of a Terrestrial Electron Beam during the tropical cyclone Joaninha in March 2019, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Neubert, O. Chanrion, K. Dimitriadou, M. Heumesser, L. Husbjerg, I. Lundgaard-Rasmussen, V. Reglero and N. Østgaard, The genesis of blue lightning into the stratosphere, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Marisaldi, M. Galli, C. Labanti, N. Østgaard, D. Sarria, S.A. Cummer, F. Lyu, A. Lindanger, R. Campana, A. Ursi, M. Tavani, F. Fuschino, A. Argan, A. Trois, C. Pittori and F. Verrecchia, A solution to the eight year-long controversy on the high-energy spectral component of Terrestrial Gamma-ray Flashes, AGU Fall Meeting, San Francisco, 9-13 December, 2019

C. Maiorana, M. Marisaldi, A. Mezentsev, N. Østgaard, M. Fullekrug, S. Soula, G. Lu, the ASIM Team, Observation of TGFs at high-latitude, AGU Fall Meeting, San Francisco, 9-13 December, 2019

Particle Precipitation / 2019

EGU Spring Meeting

van Caspel, W.E., Espy, P.J., Hibbins, R.E., McCormack, J.P. (poster), Measuring Planetary Waves and Tides in the MLT at 60°N Using a Longitudinal Array of SuperDARN Radars, EGU Spring Meeting, Vienna, April 2019

Bland, E. C., Partamies, N. and Heino, E. (poster), Energetic particle precipitation occurrence rates determined using the Super Dual Auroral Radar Network, EGU Spring Meeting, Vienna, April 2019

Nesse Tyssøy H., L.-K. G. Ødegaard, J. Stadsnes, M. Sandanger, F. Søraas, and K. Snekvik (talk): Electron pitch angle anisotropy in corotating interaction region-driven storms – implications for radiation belt loss and electron precipitation, EGU Spring Meeting, Vienna, April 2019

Smith-Johnsen, C., H. Nesse Tyssøy, D. R. Marsh, and K. Hendrickx  (talk), Modeled E-region nitric oxide response to energetic electron precipitation, EGU Spring Meeting, Vienna, April 2019

Maliniemi, T. Asikainen, A. Salminen and K. Mursula, Assessing North Atlantic winter climate response to energetic electron precipitation and solar UV irradiance, EGU Spring Meeting, Vienna, April 2019

27th IUGG GENERAL ASSEMBLY

N. Partamies and E. Bland, Ground-based observations of pulsating aurora EEP, 27th IUGG General Assembly, Montreal, Canada, 8-18 July, 2019

C. Smith-Johnsen, H. Nesse Tyssøy, D.R. Marsh, K. Hendrickx, Modeled E-region Nitric Oxide Response to Energetic Electron Precipitation, 27th IUGG General Assembly, Montreal, Canada, 8-18 July, 2019

H. Nesse Tyssøy, L.K.G. Ødegaard, J. Stadsnes, M.I. Sandanger, F. Søraas, K. Snekvik (poster), Electron Pitch Angle Anisotropy in Corotating Interaction Region-Driven Storms – Implications for Energetic Electron Precipitation, 27th IUGG General Assembly, Montreal, Canada, 8-18 July, 2019

Orsolini, Y., Polar Stratospheric Vortex Variability in the ECMWF Seasonal Forecast Model, 27th IUGG General Assembly, Montreal (Canada), July 8-16, 2019  (Invited)

Perot K., Orsolini Y. and D. Murtagh, Study of Energetic Particle Precipitation Effects based on 15 Years of NO Observations by Odin/SMR, 27th IUGG General Assembly, Montreal (Canada), July 8-16, 2019

Guttu S., Orsolini Y., Stordal F., Limpasuvan V., Marsh D., Polar winter climate effects from medium energy electrons on decadal time scales from WACCM simulations with CMIP6 solar forcing, 27th IUGG General Assembly, Montreal (Canada), July 8-16, 2019

ASIA OCEANIA GEOSCIENCES SOCIETY (AOGS)

Orsolini Y., Guttu S., Stordal F., Limpasuvan V., Impact of Medium-energy Electron Precipitation on Ozone and Middle Atmosphere Dynamics in WACCM Simulations, 16th Annual Meeting of the AOGS, Singapore, 28 July- 2 August, 2019

Limpasuvan, V., Y. Orsolini, P. Espy, R. Hibbins, Semidiurnal Tidal Perturbations During SSW in SuperDARN and WACCM, 16th Annual Meeting of the AOGS, Singapore, 28 July- 2 August, 2019

OTHER MEETINGS & SEMINARS

Space Climate 7 Symposium: H. Nesse Tyssøy, A review on energetic particle fluxes and their parameterization for climate, Canton Orford, Québec, Canada, July 8-11, 2019  (Invited talk)

Eur. Met. Soc. Annual Meeting: Maliniemi (2019), Winds of winter: Assessing high latitudinal winter response to energetic electron precipitation, September 9-13, Copenhagen (Invited talk)

Heppa-Solaris Working Group Meeting: Guttu S., Orsolini Y., Stordal F., Limpasuvan V., Marsh D., Impact of medium-energy electron precipitation on ozone and middle atmosphere dynamics in WACCM simulations, Granada (Spain), September 18-19, 2019

AGU Fall Meeting: Zhang, J., V. Limpasuvan, Y. Orsolini, P. Espy, R. Hibbins, Semidiurnal Tidal Perturbations during SSW in SuperDARN and WACCM, San Francisco, 9-13 December, 2019

Theory and Modeling / 2019

EGU Spring Meeting

Hesse, M., Tenfjord, P., Norgren, C., Liu, Y-H., Chen, L-J., Bessho, N., Wang, S., Burch, J., Similarities and differences between symmetric and asymmetric magnetic reconnection, EGU Spring Meeting, Vienna, April 2019 (Invited talk )

P. Tenfjord, Hesse, M., Norgren, C., Kolstø, H.M., Spinnangr, S.F. (poster) What is the effect of mantle-reconnection interaction?,  EGU Spring Meeting, Vienna, April 2019

Kolstø, H.M., Hesse, M., Tenfjord, P., Norgren, C., Spinnangr, S.F., (poster), Collisionless Magnetic Reconnection in an Asymmetric Oxygen Density Configuration, EGU Spring Meeting, Vienna, April 2019

Spinnangr, S.F., Hesse, M., Tenfjord, P., Norgren, C., Kolstø, H.M., (poster), On the Interaction of Cold Protons with Collisionless Magnetic Reconnection, EGU Spring Meeting, Vienna, April 2019

19th INTERNATIONAL EISCAT SYMPOSIUM

Kwagala, N. K., K. Oksavik, D. A. Lorentzen, M. G. Johnsen, and K. M. Laundal, Thermally excited 630.0 nm emissions in the polar ionosphere, 19th International EISCAT Symposium 2019 and 46th Annual European Meeting on Atmospheric Studies by Optical Methods, Oulu, Finland, August 19-23, 2019 (Invited talk)

2018

Dynamics of the Asymmetric Geospace / 2018

EGU Spring Meeting

Laundal, K. M., Reistad, J. P., Tenfjord, P., Snekvik, K., Østgaard, N. and Ohma, A., A new empirical model of the total ionospheric current - performance on different time scales, EGU, Vienna, April 2018 (Invited talk)

Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., Rexer, T., Haaland, S., Snekvik, K., Hesse, M., Milan, S. E. and Ohma, A., The asymmetric geospace as displayed during the geomagnetic storm on August 17, 2001, EGU, Vienna, April 2018

Laundal, K. M., Reistad, J. P., Tenfjord, P., Snekvik, K., Østgaard, N. and  Ohma, A. (poster), Interplanetary magnetic field Bx component influence on ionospheric currents, EGU, Vienna, April 2018

Snekvik, K., Tenfjord, P., Ohma, A., Reistad, J. P., Laundal, K. M. and Østgaard, N. (poster), Response times of the two cell convection pattern in the ionosphere, EGU, Vienna, April 2018

Ohma, A., Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., Snekvik, K. and  Fillingim, M. O. (poster), Evolution of asymmetrically displaced footpoints during substorms, EGU, Vienna, April 2018

J. Baddeley, D. A. Lorentzen, N. Partamies, W.Denig, V. A. Pilipenko, K. Oksavik, X. Chen, and Y. Zhang (poster), Equatorward Propagating Auroral Arcs Driven by ULF Wave Activity: Multipoint Ground and Space Based Observations in the Dusk Sector Auroral Oval, EGU, Vienna, April 2018

Pilipenko, V., Kozyreva, O., Lorentzen, D., Baddeley, L., and Hartinge, M. (poster), In search of the ground image of magnetopause surface oscillations, EGU, Vienna, April 2018

Tenfjord, P., Østgaard, N., Strangeway, R., Haaland, S., Snekvik, K., Laundal, K. M., Reistad, J. P., Milan, S., Hesse, M. and Ohma, A. (poster), How the IMF By induces a local By component during northward IMF Bz and characteristic timescales, EGU, Vienna, April 2018

Yagova, N., Nosikova, N., Baddeley, L. (poster) A role of long period (1-5 mHz) magnetic field fluctuations in substorm development: ULF wave trigger of "non-triggered" substorms, EGU, Vienna, April 2018

Nosikova, N., Yagova, N., Baddeley, L., Lorentzen, D., Pilipenko, V. (poster), A role of long period (1-5 mHz) magnetic field fluctuations in substorm development: A case study of the spectral parameters of ULF fluctuations before substorms with no evident trigger in the interplanetary space, EGU, Vienna, April 2018

Reistad, J.P., Laundal, K.M., Østgaard, N., Ohma, A., Snekvik, K., Tenfjord, P., Plasma circulation inside the polar cap and lobe reconnection. European Geophysical Union General Assembly, EGU, Vienna, April 2018

Gjerloev, J. W., C. Waters, and R. Barnes, The ARCH Project: The holy grail of magnetosphere-ionosphere physics, EGU, Vienna, 2018

Kozyreva, O., Pilipenko, V., Lorentzen, D., and Baddeley, L. (poster), The correspondence between dayside long-period geomagnetic pulsations and the open-closed field line boundary, EGU, Vienna, April 2018

Vennerstrøm, S., Moretto, T., Automated Warnings of Earth arrivals (AWARE), EGU, Vienna, April 2018

OTHER MEETINGS & SEMINARS

Europlanet Workshop, Murighiol, Romania: Haaland, S., MEMEX: Mechanisms of Energetic Mass Ejection Explorer–a NASA project to investigate atmospheric escape, 11-15 June 2018

Europlanet Workshop, Murighiol, Romania: Haaland, S., Hemispheric Asymmetries in Atmospheric Escape, 11-15 June 2018

42nd COSPAR Scientific Assembly, Pasadena, California, S. Haaland, A. Runov, A. Artemyev, V. Angelopoulos, The flank magnetopause: THEMIS observations, 14-22 July 2018

Cluster–THEMIS workshop, Chania, Greece: S. Haaland, A. Runov, A. Artemyev, V. Angelopoulos, The flank magnetopause: THEMIS and Cluster observations, 24-28 September 2018

Cluster–THEMIS workshop, Chania, Greece: S. Haaland, E. Vilenius, P. Daly, RAPID detection of heavy ions in the magnetosphere, 24-28 September 2018

Istituto di Astrofisica Spaziale e Fisica Cosmica, Milano, Italia: Haaland, S., Kronberg, E., Daly, P., Vilenius, E., Energetic Particles in Geospace: Characteristics, Sources and Effects, 12-14 March, 2018 (Invited talk)

ESLAB 52, ESTEC,: Haaland, S., Ion Outflow from the Terrestrial Atmosphere: Sources, Mechanisms, Transport and Consequences, Noordwijk, The Netherlands, 14-19 May, 2018 (Invited talk)

System-Scale Data Analysis to Resolve Thermospheric Joule Heating workshop: K. M. Laundal, An empirical model of horizontal ionospheric currents from magnetic field measurements at low Earth orbit, Cambridge, UK, April 2018

Fundamental Physical Processes in Solar-Terrestrial Research and Their Relevance to Planetary Physic: Gjerloev, J. W., FAC's: The fundamental M-I coupling parameter that remains a puzzle, Kona, Hawaii, 2018 (Invited talk)

University of California, Los Angeles: Haaland, S., The terrestrial magnetopause – an asymmetric boundary, 15-19 January, 2018 (Invited seminar)

Fundamental Physical Processes in Solar-Terrestrial Research and Their Relevance to Planetary Physics: Haaland, S., Lybekk, B., Pedersen, A., Baddeley, L., Bjoland, L., Gustavsson, B., Atmospheric erosion: Hemispheric asymmetries in ion outflow, Kona, Hawaii, 6 - 13 January, 2018 (Invited talk)

University of Central Florida, Orlando: Gjerloev, J. W., How do we advance our understanding of global Earth-Space interactions?, 2018 (Invited talk)

Briefing to NASA GDC Science definition team, Maryland, USA: Gjerloev, J. W., Three Issues To Keep In Mind For GDC: Dynamics, Spatial Hierarchy, and Reference Frame, 2018 (Invited briefing)

NSF - EarthCube RCN: Gjerloev, J. W., Bridging the gap between measurements and insight, Towards Integration of Heliophysics Data, Models, and Analysis Tools, Newark, 14-16 November, 2018, Invited talk.

NSF EarthCube Workshop: Gjerloev, J. W., C. Waters, and R. Barnes (poster), The ARCH Project: The holy grail of magnetosphere-ionosphere physics, Washington DC, 6-8 June, 2018.  

Mini-GEM: Gjerloev, J. W., S. Ohtani, R. Barnes, M. Potter, M. Friel, T. Motoba, SuperMAG-ULTIMA update, Washington DC, December 9, 2018, Invited talk.

Mini-GEM: Gjerloev, J. W., S. Ohtani, R. Barnes, M. Potter, M. Friel, T. Motoba, New capabilities for SuperMAG , Washington DC, December 9, 2018, Invited talk.

SEASONS/jhuapl: Gjerloev, J. W., SuperMAG, Washington DC, 7-9 November, 2018, Invited talk.

MADEIRA kickoff workshop: Hibbins, R., Harvesting from synergies between infrasound, meteor radar data, atmospheric modelling and SuperDARN, Lillestrøm, Norway, November 27-28 (Invited talk)

NSF–EarthCube All Hands Meeting: Gjerloev, J. W., R. Barnes, C. Waters (poster), ARCH - Building a bridge between measurements and insight, Washington DC, 2018

NSF EarthCube Workshop, Washington DC., June 6-8, 2018: Gjerloev, J. W., C. Waters, and R. Barnes, The ARCH Project: The holy grail of magnetosphere-ionosphere physics (Poster)

AGU Fall Meeting

Hatch, S., Jørgensen, T.M., Verkhoglyadova, O.P., Lynch, K.A., Relationships between Southern Hemisphere ion upflow, "DC" and "AC" Poynting fluxes, and "DC" and "AC" field variations, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Hatch, S.M., Chaston, C.C., LaBelle, J. (poster) Nonthermal limit of monoenergetic electron precipitation in the terrestrial auroral acceleration region, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Moretto, T., Hesse, M., Vennerstrøm, S., Tenfjord, P., Kutznetsova, M., Rastaetter, L., How well are interhemispheric asymmetries in ionospheric potential reproduced in global MHD models?, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Gjerloev, J. W. and S. Ohtani, Relating observations to processes: How to avoid flying blind, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Invited talk

Hard Radiation from Thunderstorms / 2018

EGU Spring Meeting

Sarria, D., Kochkin, P., Lehtinen, N., and Østgaard, N., Modeling the 511 keV background enhancement observed in thunderstorms, EGU, Vienna, April 2018

Skeie, C.A., Kochkin, P., A.P.J. (Lex) van Deursen, Østgaard, N., de Boer, A.I., Bardet, M., Allasia, C., Boissin, J,-F., and Flourens, F., On high-energy radiation inside aircraft in thunderstorm environment, EGU, Vienna, April 2018 (Highlight talk)

Kochkin, P., Østgaard, N., Christian, H., Grove, E., Quick, Al-Nussirat, S., Wulf, E., Genov, G., Ullaland, K., Marisaldi, M., Lehtinen, N., Mezentsev, A., and Sarria, D., Gamma-Ray Glow termination dilemma, EGU, Vienna, April 2018

Marisaldi, M., Galli, M., Labanti, C., Campana, R., Østgaard, N., Sarria, D., Cummer, S., Liu, F., Fuschino, F., and Ursi, A., Implications for Terrestrial Gamma-ray Flashes spectrum, flux and fine time structure at source based on the high-energy events observed by AGILE, EGU, Vienna, April 2018

Ursi, A., Marisaldi, M., Tiberia, A., Porcù, F., and Dietrich, S., (Poster) Analysis of convective systems associated to TGFs with the Meteosat Second Generation geostationary satellites, EGU, Vienna, April 2018

Tiberia, A., Dietrich, S., Porcù, F., Ursi, A., Marisaldi, M., and Marco, T. (Poster) Analysis of convective thunderstorms correlated with Terrestrial Gamma Ray Flashes (TGF), EGU, Vienna, April 2018

Lindanger, A., Marisaldi, M., Østgaard, N., Albrechtsen, K., Trois, A., Pittori, C., and Ursi, A. (Poster) Search for TGFs in AGILE data using time correlation with ground-based lightning data, EGU, Vienna, April 2018

Rutjes, C., Sarria, D., Diniz, G., Luque, A., Skeltved, A., Ihaddadene, K., Dwyer, J., Ferreira, I., Ostgaard, N., and Ebert, U. (Poster) Evaluation of Monte Carlo tools for high energy atmospheric physics II : relativistic runaway electron avalanches, EGU, Vienna, April 2018

Mezentsev, A., Østgaard, N., Christian, H., Grove, E., Quick, M., Al-Nussirat, S., Wulf, E., Genov, G., Ullaland, K., Kochkin, P., Marisaldi, M., Lehtinen, N., and Sarria, D., Search for gamma ray signatures from +IC upward leaders, EGU, Vienna, April 2018

Ostgaard, N., Christian, H.J., Grove, E., Quick, M., Al-Nussirat, S., Wulf, E., Genov, G., Ullaland, K., Kochkin, P., Marisaldi, M., Lehtinen, N., Mezentsev, A., and Sarria, D. (Poster) Gamma-ray glow observations at 20 km altitude, EGU, Vienna, April 2018

AGU Fall Meeting

Kochkin, P., Østgaard, N., Reglero, V., Ullaland, K., Yang, S., Genov, G., Marisaldi, M., Mezentsev, A., Lehtinin, N., Sarria, D., Qureshi, B.H., Solberg, A., Maiorana, C., Budtz-Jørgensen, C., Kuvvetli, I., Christiansen, F., Chanrion, O., Heumesser, M., Navarro-Gonzales, J., Connell, P., Eyles, C. (poster) Performance of MXGS detector in Terrestrial Gamma-Ray Flash detection by ASIM on the ISS, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Østgaard, N., Neubert, T., Reglero, V., Ullaland, K., Yang, S., Genov, G., Marisaldi, M., Mezentsev, A., Kochkin, P., Lehtinen, N., Sarria, D., Qureshi, B. H., Solberg, A., Maiorana, C., Budtz-Jørgensen, C., Kuvvetli,, I. Christiansen, F., Chanrion, O., Heumesser, M., Navarro-Gonzales, J., Connell, P., Eyles, C., First half year of TGF observations by ASIM, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Invited talk

Neubert, T., N. Østgaard, V. Reglero, E. Blanc, O. Chanrion, M. Heumesser, K. Dimitriadou,T. Farges, H. Christian, R. Blakeslee, C. Budtz-Jørgensen, I. Kuvvetli, I. Lundgaard Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, Observations of Lightning, TLEs and TGFs with the Atmosphere-Space Interactions Monitor on the International Space Station, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Invited talk

Reglero, V., N. Østgaard, T. Neubert, P. Connell, C. J. Eyles, J. Navarro, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, B. H. Qureshi, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, Terrestrial Gamma ray Flashes Imaging–First results, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Chanrion, O., T. Neubert, S. A Cummer, M. Heumesser, K. Dimitriadou, N. Østgaard, V. Reglero, R. J. Blakeslee, K. Virts, H. J. Christian, I. L. Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, Comparison of observations of thunderstorms from the ASIM optical module and from ground-based instrumentation, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Mezentsev, A. , N. Østgaard, P. Kochkin , K. Ullaland, N. Lehtinen, M. Marisaldi, T. Neubert, V. Reglero, S. Yang, G. Genov, D. Sarria, B. H. Qureshi, A. Solberg, C. Maiorana, C. Budtz-Jørgensen, I. Kuvvetli, F. Christiansen, O. Chanrion, M. Heumesser, J. Navarro-Gonzales, P. Connell, C. Eyles (poster), Peculiarities of High Flux Terrestrial Gamma-Ray Flashes Detected by Atmosphere-Space Interaction Monitor, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Dimitriadou, K., O. Chanrion, T. Neubert, M. Heumesser, N. Østgaard, V. Reglero, T. Farges, R. Blakeslee, K. Virts, H. Christian, F. Gordillo-Vazquez, I. L. Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, First observations of lightning and TLEs by ASIM on the International Space Station, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Heumesser, M., O. Chanrion, T. Neubert, K. Dimitriadou, N. Østgaard, V. Reglero, T. Farges, R. Blakeslee, K. Virts, H. Christian, F. Gordillo-Vazquez, I., Rasmussen, C. Stoltze, D. Tcherniak, N. C. Jessen, J. Polny, P. Brauer, J. E. Balling, S. S. Kristensen, C. Budtz-Jørgensen, I. Kuvvetli, S. Forchhammer, P. Davidsen, O. Mikkelsen, C. G. Petersen, M. Lorenzen, K. Ullaland, S. Yang, G. Genov, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, B. H. Qureshi, A. Solberg, First observations of lightning associated with TGFs by ASIM on the International Space Station, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Sarria, D., N. Østgaard, H. J. Christian, J. E. Grove, M. Quick, S. Al-Nussirat, E. Wulf, G. Genov, K. Ullaland, P. Kochkin, M. Marisaldi, N. Lehtinen, A. Mezentsev, S. Yang, R. Blakeslee, Modeling and constraining a gamma-ray glow observed at 20 km altitude during the FEGS/ALOFT campaign, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Maiorana, M. Marisaldi, N. Østgaard, A. Ursi, New Design of AGILE Selection Criteria for TGFs, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Lehtinen, N. (poster), Physical principles that determine electric streamer parameters, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Particle Precipitation / 2018

HEPPA-SOLARIS

Smith-Johnsen, C., Marsh, D.R., Orsolini, Y., Nesse Tyssøy, H., Hendrickx, K., Sandanger, M.I., Ødegaard, L-K., G., Stordal, F., Nitric oxide response to the April 2010 electron  precipitation event, HEPPA-SOLARIS, Virginia, US, June, 2018 (Invited talk)

Smith-Johnsen, C., Nitric oxide response to the April 2010 electron precipitation event, HEPPA-SOLARIS Workshop, Virginia, USA, June 2018 (Invited talk)

Nesse Tyssøy, H., Inter-comparison of the POES/MEPED Loss Cone Electron fluxes with the CMIP6 Parametrization, HEPPA-SOLARIS Workshop, Virginia, USA, June 2018

Hendrix, K., Megner, L., Marsh, D.R., Smith-Johnsen, C. (poster), Production and transport mechanisms of polar MLT region NO in AIM/SOFIE observations and SD-WACCM simulations, HEPPA-SOLARIS, Virginia, US, June, 2018

Bland, E., SuperDARN radar measurements of HF radio attenuation during the September 2017 solar proton events, HEPPA-SOLARIS Workshop, Virginia, USA, June 2018 (Invited talk)

Bender, M. Sinnhuber, P. J. Espy, J. P. Burrows, Empirical model of nitric oxide in the mesosphere from SCIAMACHY/Envisat satellite observations, 7th International HEPPA-SOLARIS workshop, Roanoke, VA, USA, 11-15 June 2018

EGU Spring Meeting

Smith-Johnsen, C., Marsh, D.R., Orsolini, Y., Nesse Tyssøy, H., Hendrickx, K., Sandanger, M.I., Ødegaard, L-K., G., Stordal, F. (poster), Nitric oxide response to the April 2010 electron precipitation event – using WACCM and WACCM-D with and without medium energy electrons, EGU, Vienna, April 2018

Reistad, J.R. (convener), Rexer, T. and Smith-Johnsen, C. (co-conveners), Session: Meet the experts in Solar-Terrestrial science: the future of Solar-Terrestrial research, EGU, Vienna, April 2018

Bender, M. Sinnhuber, P. J. Espy, J.P. Burrows, Empirical model of nitric oxide in the mesosphere from SCIAMACHY/Envisat satellite observations, EGU general assembly, Vienna, 8-14 April 2018

CHAPMAN CONFERENCE

Nesse Tyssøy, H., L.-K. G. Ødegaard, J. Stadsnes, M. I. Sandanger, F. Søraas, and K. Snekvik, Radiation Belt Loss due to Energetic Electron Precipitation in Geomagnetic Storm associated with Corotating Interaction Regions, AGU Chapman Conference: Particle Dynamics in the Earth’s Radiation Belts, Cascais, Portugal, 4-9 March 2018 (Invited talk)

AOGS 2018

Bender, S., M. Sinnhuber, P. J. Espy, J. P. Burrows, Empirical model of nitric oxide in the mesosphere from SCIAMACHY/Envisat satellite observations, AOGS 15th annual meeting, Honolulu, USA, 3-8 June 2018

Hibbins, R., Espy, P.J., Orsolini, Y., Limpasuvan, V. (Poster) Observations of SuperDARN global tides in the MLT and their response to sudden stratospheric warming events, 15th Annual Meeting of the Asia-Oceania Geosciences Society, Honolulu (Hawaii, USA), June 3-8, 2018

Espy, P.J., Hibbins, R., Y. Orsolini, V. Limpasuvan (Poster), Observations of SuperDARN Global Tides in the MLT and Their Response to Sudden Stratospheric Warming Events, 15th Annual Meeting of the Asia-Oceania Geosciences Society, Honolulu (Hawaii, USA), June 04, 2018

42nd COSPAR Assembly  

Hibbins, R., Espy, P.J., Orsolini, Y., Limpasuvan, V., (Poster) Observations of SuperDARN global tides in the MLT and their response to sudden stratospheric warming events, 42nd COSPAR Scientific Assembly, Pasadena (California, USA), July 14-22, 2018

Espy P., Hibbins, R., Y. Orsolini, V. Limpasuvan (Poster), Observations of SuperDARN Global Tides in the MLT and Their Response to Sudden Stratospheric Warming Events, 42th COSPAR Scientific Assembly, Pasadena (California, USA), July 14-22, 2018

Orsolini, Y., Chemical impacts of energetic particle precipitation in the polar mesosphere-lower thermosphere, 42th COSPAR Scientific Assembly, Pasadena (California, USA), July 14-22, 2018

Bender, M. Sinnhuber, P. J. Espy, J. P. Burrows, Empirical model of nitric oxide in the mesosphere from SCIAMACHY/Envisat satellite observations, COSPAR 42nd assembly, Pasadena, CA, USA, 14-22 July 2018

Polar2018

Orsolini, Y., Chemical Impacts of Energetic Particle Precipitation in the Middle Atmosphere, The Polar Atmosphere and Geospace, POLAR2018 Open Science Conference, Davos, Switzerland, June 18-23, 2018

OTHER MEETINGS & SEMINARS

Arctic Science Summer Week (ASSW): Orsolini, Y., V. Limpasuvan. D. Kinnison, Thermosphere-Mesosphere-Stratosphere coupling during stratosphereic sudden warmings, Arctic Summit Sciences Week, Toyama, Japan, April 2015

SuperDARN Workshop: Bland, E.C., E. Heino, M. Kosch, and N. Partamies, SuperDARNderived HF radio attenuation during the September 2017 solar proton events, Banyuls-sur-Mer, France, June 3-8, 2018

AGU Fall Meeting

Smith-Johnsen, C., Nesse Tyssøy, H., Marsh, D., Hendrickx, K., Orsolini, Y. (poster) E-region nitric oxide response to energetic electron precipitation, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Espy, P.J., Hibbins, R.E., and deWit, R., Advanced meteor radar for winds, temperatures and gravity-wave momentum flux in the MLT, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Invited talk

Theory and Modeling / 2018

MMS Science Working Team Meeting / San Antonio

Tenfjord, P., Hesse, M., Norgren, A. E.C., Formation of oxygen density striations, MMS Science Working Team, San Antonio, Texas, February 26 – March 2, 2018

Norgren, A.E.C., Graham, D.B., André, M., Hesse, M., Khotyaintsev, Y. V., Vaivads, A., Magnetopause fluxrope, electron rings, and whistler waves, MMS Science Working Team, San Antonio, Texas, February 26 – March 2, 2018

Hesse, C. Norgren, P. Tenfjord, J. Burch, Y.-H. Liu, L.-J. Chen, N. Bessho, S. Wang, R. Torbert, J. Eastwood, R. Nakamura, M. Hoshino, The role of separatrix instabilities in heating the outflow region, July 11, 2017, MMS Science Working Team, San Antonio, Texas, February 26 – March 2, 2018

Norgren, A.E.C., Graham, D. B., Hesse, M., André, M., Khotyaintsev, Y. V., Vaivads, A., Separatrix wave activity prior to X-line passage: July 11, 2017, MMS Science Working Team, San Antonio, Texas, February 26 – March 2, 2018

Hesse, C. Norgren, P. Tenfjord, J. Burch, Y.-H. Liu, L.-J. Chen, N. Bessho, J. Burch, T. Jorgensen, K. Genestreti, T. Phan, The electron diffusion region and why it is (relatively) quiet, MMS Science Working Team, San Antonio, Texas, February 26 – March 2, 2018

EGU Spring Meeting

Tenfjord, P., Hesse, M., Norgren, C. (poster), The formation of oxygen density striations in the diffusion region, EGU, Vienna, April 2018

Norgren, A.E.C., Graham, D.B., Khotyaintsev, Y.V., André, M., Vaivads, A., Hesse, M., Tenfjord, P., Lavraud, B., Burch, J., Fuselier, S., Magnes, W., Gershman, D. J., Russell, C.T. (poster) Electron reconnection in the magnetopause current layer, EGU General Assembly, Vienna, April 2018

Moretto, T., Hesse, M., Vennerstrøm , S., Friis-Christensen, E., Kutznetsova, M., Opgenoorth, H.J., Tenfjord, P., How Does the Magnetosphere go to Sleep?, EGU, Vienna, April 2018

Hesse, C. Norgren, P. Tenfjord, Y.-H. Liu, L.-J. Chen, N. Bessho, S. Wang, J. Burch, Why is the electron diffusion region quiet?, EGU General Assembly, Vienna, April 2018

MMS Community Meeting / Bergen

Tenfjord, P., Hesse, M., Norgren, A.E.C., How Oxygen Influences the Reconnection Rate, MMS Community Meeting, Bergen, June 11-14, 2018

Norgren, A.E.C., Argall, M., Graham, D. B., Hesse, M., Khotyaintsev, Y. V., Steinvall, K., Tenfjord, P., Xu, Y., Vaivads, A., André, M., Electron acceleration and thermalisation along magnetotail separatrices, MMS Community Meeting, Bergen, June 11-14, 2018

Cluster–THEMIS Workshop

Norgren, A.E.C., Lavraud, Benoit, Hesse, M., Electron scattering at different guide fields, Cluster–THEMIS Workshop, September 9-24, 2018

Norgren, A.E.C., Hesse, M., Graham, D. B., Argall, M., Khotyaintsev, Y. V., Steinvall, K., Vaivads, A., Xu, Y., André, M., Tenfjord, P., Electron acceleration and thermalisation along magnetotail separatrices, Cluster–THEMIS Workshop, September 9-24, 2018

MMS Science Working Team Meeting / Graz

Norgren, A.E.C., Argall, M., Graham, D. B., Hesse, M., Steinvall, K., Khotyaintsev, Y. V., Vaivads, A., Observation and modelling of electron trapping associated with electron phase space holes, MMS Science Working Team Meeting, Graz, October 22-25, 2018

Tenfjord, P., Hesse, M., Norgren, A.E.C., The influence of oxygen on the reconnection rate, MMS Science Working Team Meeting, Graz, October 22-25, 2018

Hesse, M., Norgren, C., Tenfjord, P.,  Burch, J., Liu, Y.-H., Chen, L.-J., Bessho, N.,  Wang, S., Torbert, R., Eastwood, J., Nakamura, R., Hoshino, M., Electron heating at the Separatrix, MMS Science Working Team Meeting, Graz, October 22-25, 2018

COSPAR 2018

Hesse, M., Norgren, C., Tenfjord, P., Liu, Y.-H., Chen, L.-J., Jim Burch,  Genestreti, K., Phan, T., Torbert, R., On the Role of the Reconnection Electric Field in the Electron Diffusion Region, COSPAR, Pasadena, CA, USA, July 2018 (invited talk)

Hesse, M., Burch, J., Torbert, T., Norgren, C., Tenfjord, P., Liu, Y.-H., Chen, L.-J., Bessho ,N., Wang, S., Phan, T., MMS Tests Theories of Magnetic Reconnection, COSPAR, Pasadena, CA, USA, July 2018 (invited talk)

OTHER MEETINGS / SEMINARS

TESS meeting, Leesburg, VA, USA: Hesse, M., Norgren, C., Tenfjord, P., Liu, Y.-H., Chen, L.-J., Bessho, N., Wang, S., Burch, J., Torbert, R., What do we know about the inner workings of the electron diffusion region?, May 20-24, 2018 (invited tutorial talk)  

Horizon Lecture, Bergen, Norway: Burch, J. and Hesse, M., The most powerful explosions in space may not be what you think they are, UiB, June 2018

UNIS All Hands Seminar, Longyearbyen: Hesse, M., Magnetic reconnection and MMS: what is all the fuss about?, February 2018

UNIS All Hands Seminar, Longyearbyen, Svalbard: Hesse, M., Space weather: the hidden dangers of the aurora, February 2018

Turbulence, Current Sheets and Reconnection in Space and Astrophysical Plasmas: Hesse, M., C. Norgren, P. Tenfjord, Y-H. Liu, J. Burch, L-J. Chen,  N. Bessho, S. Wang, T. Phan, K. Genestreti, Why is there a reconnection electric field?, Russian Institute for Space Research (IKI), Moscow, 1-3 October, 2018 (Invited talk)

AGU Fall Meeting

Tenfjord, P., Hesse, M., Norgren, C., How unmagnetized oxygen leads to a reduced reconnection rate, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Hesse, M., C. Norgren, P. Tenfjord, J. Burch, Y-H. Liu, L-J. Chen,  N. Bessho, S. Wang, R. Nakamura, M. Hoshino, J. Eastwood, P. Cassak, and R. Torbert, On electron heating in collisionless magnetic reconnection, AGU Fall Meeting, Washington DC, 10-14 December, 2018

Norgren, C., Hesse, M., Tenfjord, P., Graham, D., Steinvall, K., Khotyaintsev, Y., Vaivads, A., Argall, M., Electron acceleration and thermalisation at magnetotail separatrices, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Invited talk

Cassak, P., Burch, J. and Norgren, C., Magnetic reconnection and NASA’s Magnetospheric Multiscale (MMS) mission, AGU Fall Meeting, Washington DC, 10-14 December, 2018, Tutorial talk

2017

When and why are the auroras in the two hemispheres asymmetrical? / 2017

AGU Fall Meeting

Reistad, J. P., N. Østgaard, K. Laundal, P. Tenfjord, K. Snekvik, S. Haaland, S. E. Milan, A. Ohma, A. Grocott, and K. Oksavik, The influence of plasma flows bringing the magnetotail back to a more symmetric configuration, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Moretto, T., Hesse, M., Vennerstrøm, S., Tenfjord, P., Estimating the Rate of Cessation of Magnetospheric Activity in AMPERE Currents, AGU Fall meeting, New Orleans, Louisiana, December 11-15, 2017

SWARM FAC-MICE

Laundal, K. M., Production and visualization of a climatological model of high-latitude ionospheric and field aligned current systems, Swarm FAC-MICE workshop, ESTEC, Netherlands, September 2017 (Invited talk)

SWARM 4D-Ionosphere

Laundal, K. M., High latitude currents and convection during quiet times, Swarm 4D-Ionosphere Workshop, ESTEC, Netherlands, September 2017 (Invited talk)

IAGA

Laundal, K. M., C.C. Finlay, N. Olsen, J.P. Reistad, P. Tenfjord, N. Østgaard, A. Ohma, K. Snekvik, S.E. Haaland, and S.E. Milan, North-south asymmetries in polar ionospheric currents – effects of asymmetries in the main magnetic field, IAGA assembly, Cape Town, South Africa, August 2017 (Invited talk)

Laundal, K. M., C.C. Finlay, N. Olsen, J.P. Reistad, P. Tenfjord, N. Østgaard, A. Ohma, K. Snekvik, S.E. Haaland, and S.E. Milan, Characterizing external influence on the large-scale polar ionospheric current system, IAGA assembly, Cape Town, South Africa, August 2017 (Invited talk)

EGU Meeting

Snekvik, K., Østgaard, N., Tenfjord, P., Reistad, J. P., Laundal, K. M., Milan, S. and Haaland, S., Dayside and nightside magnetic field responses at 780 km altitude to dayside reconnection, EGU General Assembly, Vienna, Austria (2017)

Grocott, A., Case, N., Laundal, K. M., Laurens, H. and Milan, S., Solar wind control of the local time of substorm onset, EGU General Assembly, Vienna, Austria (2017)

Ohma, A., Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M. and Snekvik, K., Evolution of asymmetrically displaced footpoints during substorms, EGU General Assembly, Vienna, Austria (2017)

Tenfjord, P., Østgaard, N., Strangeway, R. J., Reistad, J., Laundal, K. M., Haaland, S. and Hesse, M., Seasonal variations in Birkeland current response to solar wind-magnetosphere coupling, EGU General Assembly, Vienna, Austria (2017)

Østgaard, N., Reistad, J. P., Tenfjord, P., Laundal, K. M., Rexer, T., Haaland, S., Snekvik, K., Hesse, M., Milan, S. and Ohma, A., The asymmetric geospace – the most common state of the system, EGU General Assembly, Vienna, Austria (2017)

Haaland, S., Baddeley, L., Bjoland, L., and Gustavsson, B., Ion outflow at equinox conditions: North-south asymmetries, EGU, Vienna, Austria, April, 2017

Haaland, S., E. Eriksson, Y. Narita, A. Vaivads (poster), Tools for THOR: Structure Analysis, EGU, Vienna, Austria, April, 2017

Reistad, J. P., Østgaard, N., Laundal, K. M., Tenfjord, P., Snekvik, K., Haaland, S., Milan, S., Ohma, A., Grocott, A. and Oksavik, K., When and where is the process of restoring symmetry important?, EGU General Assembly, Vienna, Austria (2017)

Laundal, K. M., Finlay, C. C., Olsen, N., Reistad, J. P., Tenfjord, P., Snekvik, K., and Østgaard, N., A new parametrized model of the global horizontal and vertical ionospheric current system, EGU General Assembly, Vienna, Austria (2017)

OTHER MEETINGS / SEMINARS

ISWI Workshop: Laundal, K. M. and N. Østgaard, Norwegian contributions to the ISWI program, Boston, USA, July 31- August 4, 2017

SMILE SST and Consortium meeting: Østgaard, N., Conjugate auroral imaging, ESTEC, Noordwijk, Netherlands, February 13-15, 2017 (Invited talk)

AGU Chapman Conference on Dayside Magnetosphere Interactions: S. Haaland, The asymmetric magnetosphere, Chengdu, China, 7-16 July, 2017 (Invited talk)

13th International Substorm Conference, Portsmouth: Haaland, L. Baddeley, K. Olafsson, N. Østgaard, N. Partamies, E. Tanskanen, A. Vaivads, Looking South for the Northern Lights, NH, USA, 18-22 Sep, 2017 (Invited talk)

What are the effects of particle precipitation on the atmospheric system? / 2017

HEPPA-SOLARIS

Orsolini, Y., Mesospheric nitric acid enhancements and ion cluster chemistry during energetic electron precipitation events in WACCM-D, SOLARIS-HEPPA working group meeting, University Pierre-et-Marie Curie, Paris, 6-9 November 2017

Haderlein, A., Tyssøy, H.N., Sandanger, M.I., Stadsnes, J., Inter-comparison between the CMIP-6 MEE forcing and the loss cone electron fluxes estimated from MEPED/POES, SOLARIS-HEPPA working group meeting, University Pierre-et-Marie Curie, Paris, 6-9 November 2017

Tyssøy, H.N., Smith-Johnsen, C., Orsolini, Y., Marsh, D.R., Hendrickx, K., Sandanger, M.I.J., Ødegaard, L-K.G., Grandhi, K.K., Stordal, F., Megner, L., Direct and indirect electron precipitation effect on nitric oxide during the April 2010 electron precipitation events, Part 1: Observations, Part 2: WACCM, SOLARIS-HEPPA working group meeting, University Pierre-et-Marie Curie, Paris, 6-9 November 2017

IAGA

Smith-Johnsen, C., Tyssøy, H. N., Hendrickx, K., Orsolini, Y., Kumar, G. K., Ødegaard, L.-K. G., Sandanger, M. I., Stordal, F. and Megner, L., Talk: Direct and indirect electron precipitation effect on nitric oxide in the polar middle atmosphere, using a full range energy spectrum, IAGA assembly, Cape Town, South Africa, August 2017

Zawedde, A. E., H. Nesse Tyssøy, M. I. Sandanger, J. Stadsnes, Talk: Energetic Particle Precipitation impact on mesospheric OH – variability of the sources and the background atmosphere, IAGA assembly, Cape Town, South Africa, August 2017

Stadsnes, J., M. I. Sandanger, H. Nesse Tyssøy, and L.-K. G. Ødegaard, Poster: Optimization of the POES/MEPED measurements for assessment of the energetic particle precipitation into the atmosphere, IAGA assembly, Cape Town, South Africa, August 2017

Nesse Tyssøy, H., L.-K. G. Ødegaard, M. I. Sandanger, J. Stadsnes, Poster: Parameterizing Energetic Electron Precipitation in Weak to Moderate Geomagnetic Storm associated with Corotating Interaction Regions, IAGA assembly, Cape Town, South Africa, August 2017

AOGS

Orsolini, Y.J., Production and transport of nitric oxide in the MLT: comparison of satellite observations with model, 14th Annual Meeting of the Asia-Oceania Geosciences Society (AOGS), Singapore, August 7-11, 2017 (Invited talk)

P. J. Espy (Main Convener with co-conveners Jeng-Hwa Yee and Iain Reid), of session Atmospheric Sciences AS23, Passive and Active Remote Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere, with, at the 14th Annual meeting of the Asia Oceania Geosciences Society (AOGS), Singapore, 6-11 August 2017

C. Franzen, P.J. Espy, R. E. Hibbins, A. A. Djupvik, Very high spatial-resolution observations of waves and turbulence in the OH airglow at low latitudes, 14th Annual meeting of the Asia Oceania Geosciences Society (AOGS), paper AS23-005 in session “Passive and Active Remote Sensing of the Chemistry and Dynamics of the Middle and Upper Atmosphere”, Singapore, 6-11 August 2017

EGU Meeting

Stray, N. H. P. J. Espy, and R. E. Hibbins, Planetary waves in the ionosphere – Ground-based satellite of ionosondes, EGU meeting, Vienna, Austria, April 2017

Hibbins, R., P. Espy, Y. Orsolini, V. Limpasuvan, N. Stray, and R. Barnes, Semidiurnal tidal variability derived from a longitudinal chain of northern hemisphere SuperDARN radars, EGU meeting, Vienna, Austria, April 2017

Franzen, C., P. J. Espy, R. E. Hibbins, and A. A. Djupvik, Very high resolution observations of waves in the OH airglow at low latitude, EGU meeting, Vienna, Austria, April 2017

Kishore Kumar, G., H. N. Tyssøy, B. P. Williams, and G. Stober, A preliminary comparison of Na lidar and meteor radar zonal winds during quiet and sub-storm conditions, EGU meeting, Vienna, Austria, April 2017

JpGU-AGU Joint Meeting

P.J. Espy, R.E. Hibbins, N.H. Stray, and R. Barnes, Large-scale dynamics derived from a longitudinal chain of northern hemisphere SuperDARN radars, Joint meeting of the Japanese Geoscience Union and AGU, paper P-EM11-09 in session “Mesosphere-Thermosphere-Ionosphere Coupling in the Earth's Atmosphere”, JpGU-AGU Joint Meeting 2017, Tokyo, Japan, May 20–25, 2017

P. Espy, H. Lund, and R. Hibbins, Diurnal variability of OH* at high latitudes, 7th Network for the Detection of Mesospheric Change (NDMC) symposium, Grainau, Germany, 15-18 May, 2017

C. Franzen, R.E. Hibbins, P.J. Espy, and A.A. Djupvik, Very high-resolution observations of waves in the OH airglow at low latitudes, 7th Network for the Detection of Mesospheric Change (NDMC) symposium, Grainau, Germany, 15-18 May, 2017 (Best Poster Award)

ARISE II

R.E. Hibbins and P.J. Espy, Semidiurnal tidal variability derived from a longitudinal chain of Northern Hemisphere SuperDARN radars, 3rd Atmospheric dynamics Research InfraStructure in Europe II (ARISE II) workshop, Prague, Czech Republic, 6-10 March, 2017

OTHER MEETINGS / SEMINARS

Seminar at International Meteorological Institute (IMI): Orsolini, Y., Modelling the impact of energetic particle precipitation using WACCM with ion chemistry, University of Stockholm, 28 November 2017

Norwegian Geophysical Union, 100th Jubilee Symposium: Nesse Tyssøy, H., A cross-disciplinary collaboration between space and climate research, 20-22 September, Geilo, Norway

2nd PSTEP International Symposium "Toward the Solar-Terrestrial Environment Prediction as a Science and Social Infrastructure": Orsolini, Y.J., Modelling energetic particle precipitation in the mesosphere-lower thermosphere, Kyoto University, Kyoto, Japan, March 23-24, 2017  (Invited talk)

What is the role of energetic particles from thunderstorms in geospace? / 2017

EGU Meeting

Albrechtsen, K. and N. Østgaard, Assessment of the cutoff of a broken power law fitted to RHESSI data, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-13323

Marisaldi, M., M. Galli, A. Ursi, M. Tavani, C. Labanti, F. Fuschino, N. Østgaard, S. Cummer, and F. Lyu, On the high-energy spectral component of TGFs detected by AGILE, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-12652

Mezentsev, A., N. Lehtinen, N. Østgaard, J. Perez-Invernon, and S. Cummer, Spectral characteristics of VLF sferics associated with TGFs, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-11285

Skeltved, A. B., N. Østgaard, A. Mezentsev, N. Lehtinen, and B. Carlson, Constraints to do realistic modeling of the electric field at the tip of a lightning leader, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-8093

Lehtinen, N., P. Kochkin, and N. Østgaard, Mechanisms of X-ray production in laboratory streamers, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-7332

Kochkin, P., A. P. J. van Deursen, A. I. de Boer, M. Bardet, C. Allasia, J. -F. Boissin, and N. Østgaard, In-flight observation of long duration gamma-ray glows by aircraft, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-7186

Østgaard, N., M. Marisaldi, P. Kochkin, N. Lehtinen, A. Mezentsev, A. Skeltved, and K. Albrechtsen, How should we define terrestrial gamma-ray flashes?, EGU General Assembly, Vienna, Austria, April 2017, EGU2017-6511

How do we get beyond the large scale static picture of the ionosphere? / 2017

AGU Fall Meeting

Brinkman, D. G., R. L. Walterscheid, J. H. Clemmons, J. H. Hecht, M. R. Lessard, B. Fritz, D. L. Hysell, L. B. N. Clausen, J. Moen, K. Oksavik, and T. K. Yeoman, Poster: High Resolution Modeling of the Thermospheric Response to Energy Inputs during the RENU-2 Rocket Flight, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017  

Fasel, G. J., A. Booth, A. Golla, D. Cook, J. E. Mills, S. Raeth, J. Lau, K. Chibwe, F. Sigernes, and D. A. Lorentzen, Poster: What Solar Wind Conditions Lead to the Generation of the Different Types of Poleward-Moving Auroral Forms?, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Habarulema, J. B., Z. Thobeka Katamzi, A. L. Aruliah, and K. Oksavik, Poster: Observations of gravity waves associated with enhanced auroral activity: GPS, FPI and magnetometer measurements over Svalbard, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Kenward, D. R., M. Lessard, K. A. Lynch, D. L. Hysell, D. L Hampton, R. Michell, M. Samara, R. H. Varney, K. Oksavik, L. B. N. Clausen, J. H. Hecht, J. H. Clemmons, and B. Fritz, Poster: Examination of Cross-Scale Coupling During Auroral Events using RENU2 and ISINGLASS Sounding Rocket Data, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Kunduri, B., J. B. H. Baker, J. M. Ruohoniemi, P. J. Erickson, A. J. Coster, and K. Oksavik, Statistical characterization of the Sub-Auroral Polarization Stream (SAPS), AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Kwagala, N. K., K. Oksavik, D. A. Lorentzen, and M. G. Johnsen, Poster: Thermally Excited 630.0 nm Emissions in the Polar Ionosphere, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Oksavik, K., K. Reed, J. M. Ruohoniemi, J. B. H. Baker, B. Kunduri, D. A. Lorentzen, L. J. Baddeley, and K. Herlingshaw, Channels of Reversed Flow in the Polar Ionosphere, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

Ruohoniemi, J. M., J. B. H. Baker, M. Maimaiti, K. Oksavik, P. J. Erickson, W. Scales, and A. Eltrass, The Occurrence of Small-scale Irregularities in the Mid-latitude Ionosphere from SuperDARN HF Radar Observations, AGU Fall Meeting, New Orleans, Louisiana, December 11-15, 2017

GEM

Gjerloev, J. W., R. Barnes, S. Ohtani, SuperMAG: Status and news, GEM, Norfolk, June 2017 (Invited talk)

IAGA

Kozyreva, Olga, Vyacheslav Pilipenko, Lisa Baddeley and Vladimir Belakhovsky, In search of ground image of the magnetopause surface mode: Multi-instrument observations at Svalbard, IAGA assembly, Cape Town, South Africa, August 2017

URSI GASS

Prikryl, P., R. Ghoddousi-Fard, A. Viljanen, J. M. Weygand, B. S. R. Kunduri,  E. G. Thomas, J. M. Ruohoniemi, M. Connors, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, T. Durgonics, K. Oksavik, Y. Zhang, E. Spanswick, M. V. Sreeja, M. Aquino, P. J. Cilliers, G. Li, B. Ning, C. N. Mitchell, L. Spogli, M. Terkildsen, A. T. Weatherwax, GPS phase scintillation and auroral electrojet currents during geomagnetic storms of March 17, 2013 and 2015, 32nd URSI General Assembly & Scientific Symposium, Montreal, Canada, August 19-26, 2017

JpGU-AGU Joint Meeting

Prikryl, P., R. Ghoddousi-Fard, A. Viljanen, J. M. Weygand, B. S. R. Kunduri,  E. G. Thomas, J. M. Ruohoniemi, M. Connors, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, T. Durgonics, K. Oksavik, Y. Zhang, E. Spanswick, M. V. Sreeja, and M. Aquino, Geomagnetic storms of March 17, 2013 and 2015: GPS phase scintillation and auroral electrojet currents, JpGU-AGU Joint Meeting 2017, Tokyo, Japan, May 20–25, 2017

EGU Meeting

Gjerloev, J., C. Waters, and R. Barnes, A Fundamentally New SuperDARN Technique, EGU, Vienna, Austria, April 2017, EGU2017-11610

Shore, R., M. Freeman, and J. Gjerloev, Seasonal and solar-cycle variations of polar magnetic fields resolved via eigenanalysis and graph theory, EGU, Vienna, Austria, April 2017, EGU2017-4800

Dods, J., S. Chapman, and J. Gjerloev, The large-scale ionospheric transient current system response to upstream solar wind IMF Bz north-south and south-north turnings as seen by the WIND satellite and the full SuperMAG network of ground based magnetometers, EGU, Vienna, Austria, April 2017, EGU2017-3001

Belakhovsky, V., L. Baddeley, et al., Geomagnetic and ionospheric response to the arrival of interplanetary shock wave, EGU meeting, Vienna, Austria, April 2017

Kavanagh, A. J., A. Grocott, D. Lorentzen, L. Baddeley, N. Partamies, and T. Moffat-Griffin, Observations of TID during the February 2016 ISR World Day campaign, EGU meeting, Vienna, Austria, April 2017

Nosikova, N., N. Yagova, L. Baddeley, O. Kozyreva, D. Lorentzen, and V. Pilipenko, Parameters of 1-4 mHz (Pc5/Pi3) ULF pulsations during the intervals preceding non-triggered substorms at high geomagnetic latitudes, EGU meeting, Vienna, Austria, April 2017

Prikryl, P., R. Ghoddousi-Fard, A. Viljanen, J. M. Weygand, B. S. R. Kunduri,  E. G. Thomas, J. M. Ruohoniemi, M. Connors, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, T. Durgonics, K. Oksavik, Y. Zhang, E. Spanswick, M. V. Sreeja, M. Aquino, Comparison of geomagnetic storms of March 17, 2013 and 2015: GPS phase scintillation and auroral electrojet currents,  EGU meeting, Vienna, Austria, April 2017

American Meteorological Society

Gjerloev, J. W., MIAC: Global-continuous-complete solutions of the ionospheric electrodynamics, AMS, Seattle, Jan 2017 (Invited talk)

OTHER MEETINGS / SEMINARS

14th European Space Weather Week: Jørgensen, T.M., Lessons Learned from Scientific Cubesat Missions, Oostende, Belgium, November 2017 (Invited tutorial)

Virginia Tech: Oksavik, K., Plasma flow in the polar ionosphere, Blacksburg, VA, USA, November 10, 2017 (Invited lecture)

University of Leicester: Oksavik, K., An update on polar cap plasma flow and new research infrastructure in Scandinavia, SMILE SST and Consortium meeting,  Leicester, UK, October 17-19, 2017

Space Challenges Program: Jørgensen, T.M., Lectures on The Development of Cubesat Missions and The Future of Cubesats, Sofia, Bulgaria, October 2017 (Invited guest lecturer)

Dartmouth College: Oksavik, K., Plasma flow in the polar ionosphere, Hanover, NH, USA, October 31, 2017 (Invited lecture)

First International Workshop on Small Satellites for Space Weather Research and Forecasting: Jørgensen, T.M., Successes and Lessons Learned from University CubeSat Missions, Washington, DC, USA, August 2017 (Invited talk)

NSF EarthCube: Gjerloev, J. W., R. Barnes, G. Bust, S. Ohtani, MIAC: The Magnetosphere-Ionosphere-Atmosphere-Coupling Project, Seattle, June 2017

Moscow State University: Baddeley, L.J. and D.A. Lorentzen, Space Physics Studies and Education at Svalbard, Nuclear Physics Institute, June 2017 (Invited seminar)

23rd ESA Symposium on European Rocket & Balloon programmes and related research: Moen, J., K. Oksavik, H. C. Carlson, C. Stausland, L. B. N. Clausen, Y. Daabakk, A. Spicher, L. Baddeley, D. A. Lorentzen, Y. Saito, T. A. Bekkeng, J. K. Bekkeng, and T. Abe, Kelvin-Helmholtz and Gradient Drift instabilities in ionosphere cusp flow channels, Visby, Sweden, June 11-15, 2017

SuperDARN Workshop: Oksavik, K., K. Reed, L. Baddeley, D. Lorentzen, and K. Herlingshaw, Reversed Flow Events in the Polar Ionosphere, San Quirico D'Orcia, Italy, June 4-9, 2017

Space Science Institute Workshop on Advancing Plasma Physics from the Sun to the Earth: Jørgensen, T.M., Field-aligned and ionospheric currents during northward IMF: Multi-satellite observations and global modeling, Breckenridge, Colorado, USA, May 2017 (Invited talk)

ISSI-BJ workshop: Oksavik, K., Convection, density and scintillation: A view from the Svalbard sector, workshop on “Multiple-instrument observations and simulations of the dynamical processes associated with polar cap patches/aurora and their associated scintillations”, Beijing, China, May 8-12, 2017 (Invited talk)

ESTEC: Oksavik, K., Ground-based support in Norway, SMILE SST and Consortium meeting, ESTEC, Noordwijk, Netherlands, February 13-15, 2017 (Invited talk)

Mini Gem: Gjerloev, J. W., S. Ohtani, R. Barnes, T. Motoba, M. Friel, SuperMAG – ULTIMA collaboration, New Orleans, December 2017 (Invited talk)

Mini Gem: Gjerloev, J. W., T. Motoba, R. Barnes, M. Friel, S. Ohtani, SuperMAG: New Capabilities, New Orleans, December 2017 (Invited talk)

2016

When and why are the auroras in the two hemispheres asymmetrical? / 2016

AGU Fall Meeting

N. Østgaard , J.P. Reistad, P. Tenfjord, K. M. Laundal, T. Rexer, S. Haaland, K. Snekvik, S. Milan, The asymmetric geospace during the magnetic storm on August 17, 2001 (poster), AGU fall meeting, San Francisco, December 2016, USA

M. Laundal, J. P. Reistad, N. Østgaard, P. Tenfjord, K. Snekvik, S. Haaland and S. E. Milan, IMF Bx effects in the ionospheric current system (poster), AGU fall meeting, San Francisco, December 2016, USA

Tenfjord, N. Østgaard, K. Snekvik, S. Haaland, J. P. Reistad, K. M. Laundal and S. E. Milan, How the IMF By induces a By component on closed field lines during northward IMF Bz (poster), AGU fall meeting, San Francisco, December 2016, USA

S. Sembay, G. Branduardi-Raymont, P. Drumm, C. P. Escoubet, W. Fei, G. Genov, J. Gow, D. Hall, A. Holland, R. Hudec, J. M. Mas-Hesse, T. Kennedy, K. D. Kuntz, R. Nakamura, N. Østgaard, R. Ottensamer, W. Raab, A. Read, D. Rebuffat, J. Romstedt, E. Schyns, D. Sibeck, A. Srp, M. Steller, T. Sun, J. Sykes, J. Thornhill, B. Walsh, D. Walton, C. Wang, A. Wielders, I. Whittaker, The Soft X-ray Imager (SXI) on the SMILE mission, AGU fall meeting, San Francisco, December 2016, USA

Haaland, S.,  L. Maes, K. Laundal, L. Baddeley, A. Pedersen and B. Lybekk (poster), North-south asymmetries in magnetospheric lobe density: Cluster observations, AGU fall meeting, San Francisco, USA, December 2016

CLUSTER-THEMIS

Haaland, S., L. Maes, K. Laundal, K. Li, B. Lybekk, A. Pedersen, North south asymmetries in cold ion outflow and lobe density (poster), 4th Cluster-THEMIS workshop, Palm Springs, USA, November 7-10, 2016

THOR

Haaland, S., A. Vaivads and E. Eriksson (poster), Tools for THOR: Selecting scales using wavelet transforms, THOR workshop, 26-30 September, 2016, Barcelona, Spain

ISROSES

N. Østgaard, J.P. Reistad, P. Tenfjord, K. M. Laundal, T. Rexer, S. Haaland, K. Snekvik, S. Milan, The asymmetric system during the magnetic storm on August 17, 2001, ISROSES, Golden Sands, Bulgaria, 12-16 September, 2016 (Invited talk)

AGU Chapman Conference on Magnetospheric Dynamics

N. Østgaard, P. Tenfjord, J.P. Reistad, K. M. Laundal, T. Rexer, S. Haaland, K. Snekvik, S. Milan, Asymmetric field aligned currents into the conjugate hemispheres, Chapman conference on Currents in Geospace and beyond, Dubrovnik, Croatia, May 2016 (Invited talk)

Laundal, K. M., C.C. Finlay, N. Olsen, S.E. Haaland, N. Østgaard, J.P Reistad, P. Tenfjord, K. Snekvik, J.W. Gjerloev, The relationship between the ionospheric current system and magnetic field perturbations on ground and in space, Chapman conference on Currents in Geospace and beyond, Dubrovnik, Croatia, May 2016

Reistad, J. P., N. Østgaard, P. Tenfjord, K. Snekvik, K. M. Laundal, S. Haaland, S. E. Milan, A. Grocott, H. Frey, K. Oksavik, Dynamic effects of restoring footpoint symmetry on closed magnetic field-lines: Importance of Birkeland currents on the untwisting process, Chapman conference on Currents in Geospace and beyond, Dubrovnik, Croatia, May 2016

EGU Spring Meeting

Tenfjord, P. and N. Østgaard, How the IMF By induces a By component in the closed magnetosphere and how it leads to asymmetric currents and convection patterns in the two hemispheres,  EGU meeting, Vienna, Austria, April 2016 (Invited talk)

Østgaard, N., J.P. Reistad, P. Tenfjord, K. M. Laundal, T. Rexer, S. Haaland, K. Snekvik, and S. Milan, Asymmetric aurora in the conjugate hemispheres during the magnetic storm on August 17, 2001, EGU meeting, Vienna, Austria, April 2016

Haaland, S., Laundal, K., Maes, L., Baddeley, L., Lybekk, B., North-south asymmetries in cold ion outflow and lobe density, EGU General Assembly 2016, Vienna, Austria

Haaland, S., Vaivads, A., Eriksson, E., Tools of Thor–more than a hammer: An overview of some analysis methods for turbulence investigation, EGU General Assembly 2016, Vienna, Austria

OTHER MEETINGS / SEMINARS

University of Tromsø: Haaland, S., Cold ion outflow from the polar ionosphere: Satellite and radar measurements, Seminar, 7 December 2016 (invited talk)

Royal Astronomical Society: Haaland, S., Vaivads, A., Eriksson, E., Tools for THOR: Selecting scales using wavelet transforms, London, UK, 10-11 March, 2016

Uppsala University: Haaland, S., North-south asymmetries in magnetospheric and ionospheric plasma circulation, Seminar, Sweden, 24 Feb., 2016 (Invited talk)

What are the effects of particle precipitation on the atmospheric system? / 2016

AGU

Nesse Tyssøy, H., L.-K. Glesnes Ødegaard, J. Stadsnes, M. I. Sandanger and Finn Søraas (Poster), Energetic Electron Precipitation in Weak to Moderate Geomagnetic Storm associated with Corotating Interaction Regions, AGU Fall Meeting, San Francisco, California, December 2016

Smith-Johnsen C., D. Marsh, Y. Orsolini, H. N. Tyssøy, K. Hendrickx, L.-K. Glesnes Ødegaard, F. Stordal, L. Megner (Poster), NO produced by energetic electron precipitation during a geomagnetic storm in April 2010- model vs observations, AGU Fall Meeting, San Francisco, California, December 2016

SPARC Data Assimilation workshop

Orsolini, Y., Energetic Particle Precipitation in the Mesosphere-Lower Thermosphere in WACCM, SPARC DA and S-RIP workshop, Victoria (Canada), October 17-21, 2016

Sagi, K., K. Pérot, D. Murtagh, Y. Orsolini, Two mechanisms of stratospheric ozone loss in the Northern hemisphere, studied using a data assimilation of Odin/SMR atmospheric observations (Poster), SPARC DA and S-RIP workshop, Victoria (Canada), October 17-21, 2016

ISWA

Orsolini, Y.J., Role of planetary waves, gravity waves and tides in the downward transport of nitrogen oxides during elevated stratopause events, International Symposium on the Whole Atmosphere, Tokyo, Japan, September 14-16, 2016

ISROSES

Søraas, F., M. Sandanger, B. Førland, and L.-K. Ødegaard, Observations of electrons, energetic protons and neutral atoms (ENA) at low altitudes during geomagnetic storms, ISROSES III, Golden Sands, Varna, Bulgaria, September 11-16, 2016

J. Stadsnes, L.-K. G. Ødegaard, H. Nesse Tyssøy, F. Søraas, and M. I. Sandanger, Trapped and Precipitating Energetic Electrons during Geomagnetic Storms Driven by Corotating Interaction Regions (CIRs), ISROSES III, Golden Sands, Varna, Bulgaria, September 11-16, 2016

AOGS

Espy, P., C. Franzen, R. Hibbins, The Vibrational Development of Hydroxyl Meinel Band Rotational Temperatures, Asia Oceania Geophysical Society Meeting, Beijing, China, August 2016

Heppa-Solaris Workshop

Nesse Tyssøy, H., M .I. Sandanger, L.-K. G. Ødegaard, J- Stadsnes, A. Aasnes, and A. E. Zawedde (2016), Energetic Electron Precipitation into the Middle Atmosphere – Constructing the Loss Cone Fluxes from MEPED POES, Heppa-Solaris Workshop, June 2016, Helsinki, Finland (Invited talk)

Orsolini, Y., V. Limpasuvan, K. Perot, D. Murtagh, P. J. Espy, R. Hibbins, S. Lossow (2016), Role of planetary waves, gravity waves and tides in the downward transport of nitrogen oxides during elevated stratopause events, Heppa-Solaris Workshop, June 2016, Helsinki, Finland

Partamies, N., D. Whiter., K. Kauristie (2016), Characterisation of pulsating aurora, Heppa-Solaris Workshop, June 2016, Helsinki, Finland

Pérot, K., D. Murtagh, J. Kiviranta, J. Ringsby, K. R. Larsson, Y. Orsolini (2016), Energetic particle precipitation effects as observed by the Odin/SMR instrument, Heppa-Solaris Workshop, June 2016, Helsinki, Finland (Invited talk)

Hendrickx K., L. Megner, J. Gumbel, D. E. Siskind, Y. J., Orsolini, H. Nesse Tyssøy and M. Hervig (2016), Observation of 27-day solar cycles in the production and mesospheric descent of EPP-produced NO, Heppa-Solaris Workshop, June 2016, Helsinki, Finland

Zawedde, A. E., H. Nesse Tyssøy, R. Hibbins, P. J. Espy, L.-K. G. Ødegaard, M. I. Sandanger and J. Stadsnes (Poster), The impact of Energetic Electron Precipitation on Mesospheric Hydroxyl During a Year of Solar Minimum, Heppa-Solaris Workshop, June 2016, Helsinki, Finland, 2016

Smith-Johnsen C., H. Nesse Tyssoy, L.-K. G. Ødegaard, G. Grandhi, K.K., Y. Orsolini, F. Stordal, K. Hendrickx, L. Megner, M. A. Marzalek, (Poster), NO produced by energetic electron precipitation during a geomagnetic storm in April 2010, Heppa-Solaris Workshop, June 2016, Helsinki, Finland, 2016

Ødegaard,L.-K. G., H. Nesse Tyssøy, F. Søraas, J. Stadsnes and M. I. Sandanger (Poster), Energetic electron precipitation during geomagnetic storms driven by high-speed solar wind streams, Heppa-Solaris Workshop, June 2016, Helsinki, Finland (Poster)

Grandhi, K.K.,  H. Nesse Tyssøy, Y. Orsolini, W. Singer (2016), Does the SPE of January 2005 produce a unique, identifiable signature in polar middle atmosphere dynamics?, Heppa-Solaris Workshop, June 2016, Helsinki, Finland, 2016

Sandanger, M. I., L.-K. G. Ødegaard, F. Søraas, H. Nesse Tyssøy and J. Stadsnes (Poster), Solar cycle variability in long term particle fluxes as measured by NOAA POES, Heppa-Solaris Workshop, June 2016, Helsinki, Finland, 2016

Oyama,S.-I., Y. Miyoshi, S. Saito, A. Kero, E. Turunen, J. Manninen, T. Raita, N. Partamies, P. Verronen, C. Rodger, M. Clilverd (Poster), Correspondence of evolution of EEP with auroral-patch morphological changes at the substorm recovery phase, Heppa-Solaris Workshop, June 2016, Helsinki, Finland

ESA Living Planet Symposium

S. Kühl, R. Hibbins, P. Espy, B. Funke and L. Paxton, Poster: Auroral precipitation an descent of thermospheric NO, ESA Living Planet Symposium, Prague, Czech Republic, May 2016

Japanese Geoscience Union Meeting

Espy, P.J., N.H. Stray, K. Backer-Owe, M.L. Waalekalv and R.E. Hibbins, Behaviour of the semi-diurnal tidal modes in the MLT using the SuperDARN meteor-radar chain, Japanese Geoscience Union Meeting 2016, 22-26 May, Chiba-city, Japan (Invited talk)

EGU Spring Meeting

deWit, R., D. Janches, D. Fritts and R. Hibbins, Mesopause gravity wave momentum flux variability and its relation to interhemispheric coupling, EGU meeting, Vienna, Austria, April 2016

Hibbins, R. and P. Espy, Poster: Does Energetic Particle Precipitation affect the dynamics of the southern hemisphere MLT?, EGU meeting, Vienna, Austria, April 2016

Franzen, C., P.J. Espy, R. Hibbins and A.A. Djupvik, Single vs multi-level quenching of the hydroxyl airglow, EGU meeting, Vienna, Austria, April 2016

Space Climate Symposium

Ødegaard, L.-K., M. I. Sandanger, F. Søraas, H. Nesse Tyssøy, J. Stadsnes, Poster: Long term variability in solar cycle and particle fluxes as measured by NOAA POES, Space Climate Syposium, Finland, 4-7 April, 2016

OTHER MEETINGS / SEMINARS

Kyushu University, Japan: Espy, P., N. H. Stray, Rosemarie de Wit, R. E. Hibbins, Planetary Waves Derived From a Chain of SuperDARN Radars, Department of Earth and Planetary Sciences, School of Science, 2016 (Invited talk)

Stockholm University: Espy, P., Our Friend the Gravity Wave, Department of Meteorology, Sweden, May 2016  (Invited talk)

Japan-Norway ASIW: Espy, P., Inter-hemispheric coupling in the atmosphere: Processes and consequences, Japan- Norway Arctic Science and Innovation Week 2016 (ASIW),Tokyo, Japan, June 2016 (Invited talk)

What is the role of energetic particles from thunderstorms in geospace? / 2016

University of Leicester:  L. J. Baddeley, D. A. Lorentzen, V. A. Pilipenko, N. Yagova, N. Nosikova, O. Kozyreva, V. Belakhovsky, N. Partamies, K. Oksavik, W. Denig, and X. Chen, Space Physics Research on Svalbard: Optical Observations of ULF Waves, UK, May 2016 (Invited talk) 

AGU Fall Meeting

A. Mezentsev, N. Østgaard, S. Cummer, Spherical characteristics of VLF sferics associated with TGFs (poster), AGU fall meeting, San Francisco, December 2016, USA

Albrechtsen and N. Østgaard, Characteristics of weak TGFs in RHESSI data (poster), AGU fall meeting, San Francisco, December 2016, USA

A. B. Skeltved, N. Østgaard, A. Mezentsev, N. Lehtinen, B. Carlson, Constraints to do realistic modeling of electric field at the tip of a lightning leader (poster), AGU fall meeting, San Francisco, December 2016, USA

M. Marisaldi, M. Galli, A. Ursi, M. Tavani, C. Labanti, F. Fuschino, N. Østgaard, S. Cummer, F. Lyu, Assessment of the high-energy spectral component of TGFs (poster), AGU fall meeting, San Francisco, December 2016, USA

N.G. Lehtinen, P. O. Kochkin, and N. Østgaard, X-ray production in a laboratory streamer discharge (poster), AGU fall meeting, San Francisco, December 2016, USA

P. Kochkin, N. Lehtinen, J. Montanyá, A.P.J. van Deursen, N. Østgaard, Neutron bursts from long laboratory sparks, AGU fall meeting, San Francisco, December 2016, USA

Frontiers of Nonlinear Physics

N. Lehtinen , P. Kochkin, N. Østgaard, Modeling of laboratory streamer discharge features associated with observations of x-ray emissions, Frontiers of Nonlinear Physics, Nizhny Novgorod, Russia, July 2016

EGU Spring Meeting

Albrechtsen, K., N. Østgaard, and T. Gjesteland, A new population of TGFs in RHESSI data, EGU meeting, Vienna, Austria, April 2016

Lehtinen, N., N. Østgaard, and P. Kochkin, Modeling of laboratory streamer discharge features leading to x-ray emissions, EGU meeting, Vienna, Austria, April 2016

Skeltved, A. B. and N. Østgaard, Estimating the electric field at the tip of lightning leaders, EGU meeting, Vienna, Austria, April 2016

Coyle, S., N. Østgaard and T. Gjesteland, Search for weak TGFs in the RHESSI data by using conjunctions of TRMM and RHESSI orbits, EGU meeting, Vienna, Austria, April 2016

Mezentsev, A., N. Østgaard and T. Gjesteland, Radio emissions from RHESSI TGFs, EGU meeting, Vienna, Austria, April 2016

Gjesteland, T. and N. Østgaard, Stereo observations of Terrestrial Gamma-ray Flashes, EGU meeting, Vienna, Austria, April 2016

M. Marisaldi, A. Argan, A. Ursi, T. Gjesteland, F. Fuschino, C. Labanti, M. Galli, M. Tavani, C. Pittori, F. Verrecchia, F. D'Amico, N. Østgaard, S. Mereghetti, R. Campana, P. W. Cattaneo, A. Bulgarelli, I. S. Colafrancesco, S. Dietrich, F. Longo, F. Gianotti, A. Rappoldi, M. Trifoglio, A. Trois, One year of AGILE Terrestrial Gamma-Ray Flashes in the enhanced configuration, EGU meeting, Vienna, Austria, April 2016

How do we get beyond the large scale static picture of the ionosphere? / 2016

AGU Fall Meeting  

Humberset, B. K., J.W. Gjerloev, M. Samara, R. Michell, I. R. Mann, Temporal Characteristics and Energy Deposition of Pulsating Auroral Patches, AGU Fall Meeting, San Francisco, California, December 2016

Gjerloev, J. W., M-I Coupling: How do we address this global dynamic problem?, Fall AGU, San Francisco, Dec 2016 (Invited talk)

Gjerloev, J. W., Deriving Birkeland Current Densities: Which result do you prefer?, Fall AGU, San Francisco, Dec 2016 (Invited talk)

Oksavik, K., K. D. A. Lorentzen, and L. Baddeley, Plasma Flow Channel Events in the Polar Ionosphere, AGU Fall Meeting, San Francisco, California, December 12-16, 2016

Sadler, B., M. Lessard, K. Oksavik, H. Lühr, G. Kervalishvili, and A. Otto, A Cusp Density Enhancement Study using CHAMP/EISCAT conjunctions, AGU Fall Meeting, San Francisco, California, December 12-16, 2016

Kwagala, N. K., K. Oksavik, D. A. Lorentzen, and M. G. Johnsen, Occurrence and Characteristics of Thermally Excited 630.0 nm Emissions in the Polar Ionosphere, AGU Fall Meeting, San Francisco, California, December 12-16, 2016

Clemmons, J. H., J. H. Hecht, D. G. Brinkman, M. Lessard, D. L. Hysell, K. A. Lynch, M. I. Harrington, K. Oksavik, J. I. Moen, F. Sigernes, T. K. Yeoman, and B. Fritz, Structure of the thermosphere during energy input through the magnetospheric cusp: Measurements from the RENU2 ionization gauge, AGU Fall Meeting, San Francisco, California, December 12-16, 2016

Kenward, D., M. Lessard, K. A. Lynch, D. L. Hysell, J. H. Hecht, J. H. Clemmons, G. Crowley, I. J. Cohen, F. Sigernes, K. Oksavik, T. K. Yeoman, S.-H. Lee, and J. L. Burch, Cusp Electron Populations During a Neutral Upwelling Event: Measurements from RENU2 and MMS Conjunction, AGU Fall Meeting, San Francisco, California, December 12-16, 2016

SCAR Open Science Conference

Prikryl, P., R. Ghoddousi-Fard, M. Connors, J. M. Weygand, P.T. Jayachandran, D. W. Danskin, J. M. Ruohoniemi, E. G. Thomas, T. Durgonics, K. Oksavik, P. J. Cilliers, C. N. Mitchell, L. Spogli, G. Li, B. Ning, V. Sreeja, M. Aquino, M. Terkildsen, Y. Jiao, Y. T. Morton, Y. Zhang, A. T. Weatherwax, L. Alfonsi, G. De Franceschi, and V. Romano, GPS phase scintillation during the geomagnetic storms of March 17, 2013 and 2015: Interhemispheric comparison and the relation to auroral electrojet currents, SCAR Open Science Conference, Kuala Lumpur, Malaysia, August 22-26, 2016

AOGS

Chen, X., D. Lorentzen, J. Moen, K. Oksavik, and L. Baddeley, Simultaneous Ground-based Optical And HF Radar Observations Of The Ionospheric Footprint Of The Open/closed Field Line Boundary, AOGS 2016 Meeting, Beijing, China, July 31 - August 5, 2016

Beacon Satellite Symposium

Prikryl, P., R. Ghoddousi-Fard, M. Connors, J. M. Weygand, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, E. G. Thomas, J. M. Ruohoniemi, T. Durgonics, K. Oksavik, Y. Zhang, M. Aquino, and V. Sreeja, GPS phase scintillation during the geomagnetic storm of March 17, 2015: The relation to auroral electrojet currents, 2016 Beacon Satellite Symposium, Trieste, Italy, June 27 - July 1, 2016

GEM-CEDAR

Gjerloev, J. W., How Many Ground Based Magnetometers Do We Need?, GEM-CEDAR, June 2016 (Invited talk)

Gjerloev, J. W., R. Barnes, G. Bust, B. Anderson, E. Miller, Magnetosphere-Ionosphere-Atmosphere Coupling (MIAC) project, GEM-CEDAR, June 2016 (Invited talk)

Gjerloev, J. W., R. Barnes and S. Ohtani, How do we combine AMPERE-SuperMAG-SuperDARN, GEM-CEDAR, June 2016 (Invited talk)

Gjerloev, J. W., R. Barnes and S. Ohtani, Global continuous magnetosphere-ionosphere coupling, GEM-CEDAR, June 2016 (Invited talk)

CAP Congress

Prikryl, P., R. Ghoddousi-Fard, T. Durgonics, K. Oksavik, Y. Zhang, M. Aquino, V. Sreeja, M. Connors, J. M. Weygand, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, E. G. Thomas, and J. M. Ruohoniemi, GPS phase scintillation during the geomagnetic storm of March 17, 2015: The relation to auroral electrojet currents, 2016 CAP Congress, University of Ottawa, Canada, June 13-17, 2016

Japanese Geoscience Union Meeting

Prikryl, P., R. Ghoddousi-Fard, M. Connors, J. M. Weygand, D. W. Danskin, P. T. Jayachandran, K. S. Jacobsen, Y. L. Andalsvik, E. G. Thomas, M. Ruohoniemi, T. Durgonics, K. Oksavik, Y. Zhang, M. Aquino, and V. Sreeja, GPS phase scintillation during the geomagnetic storm of March 17, 2015: The relation to auroral electrojet currents, Japan Geoscience Union Meeting 2016, Makuhari Messe, Japan, May 22-26, 2016

EGU Spring Meeting

Chen, X.-C., D. A. Lorentzen, J. I. Moen, K. Oksavik, L. J. Baddeley, and M. Lester, F-region ionosphere effects on the mapping accuracy of SuperDARN HF radar echoes (Poster), EGU meeting, Vienna, Austria, April 2016

Gjerloev, J. W., The Large-Scale Current System During Auroral Substorms, EGU meeting, Vienna, Austria, April, 2016 (Invited talk)

Chapman Conference

Gjerloev, J. W., SuperMAG geomagnetic indices: Do more stations provide better monitoring of the M-I current system?, Chapman Conference, Dubrovnik, Croatia, May 2016 (Invited talk)

HAO Quo Vadis Meeting

Jesper Gjerloev, J.W., MIAC: The holy-grail of the magnetosphere-ionosphere community, Quo Vadis meeting, Boulder, May 2016 (Invited talk)

OTHER MEETINGS / SEMINARS

Dartmouth University, New Hampshire: Gjerloev, J. W., How can we investigate global Magnetosphere-Ionosphere coupling?, Nov 2016 (Invited talk)

Studietur Nord: L. Baddeley, E. Bland and S. E. Holmen, The Kjell Henriksen Observatory – a window into space, Svalbard, August 2016

NOAA Space Weather Briefing: Gjerloev, J. W., SuperMAG: Global and Uninterrupted Space Weather Monitoring, NOAA Space Weather Briefing, July 2016 (Invited briefing)

EarthCube All Hands Meeting: Gjerloev, J. W., MIAC: Magnetosphere-ionosphere-atmosphere-coupling project (Talk & Poster), Denver, July 2016 

First VarSITI General Symposium: Pilipenko V., Kozyreva O., Lorentzen D., Baddeley L, The Correspondence Between Dayside Long period Pulsations and the Open closed Field Line Boundary, Bulgaria, June 2016

SuperDARN Fairbanks: D. A. Lorentzen, L.J.Baddeley, M. Syrjäsuo and G. Chisham, The Svalbard SuperDARN radar – first light, Fairbanks, Alaska, June 2016

SuperDARN Fairbanks: X. -C. Chen, D. -S. Han, D. A. Lorentzen, K. Oksavik,  J. I. Moen, L. J. Baddeley, Dynamic Properties of Throat Aurora Revealed by Simultaneous Ground and Satellite Observations, Fairbanks, Alaska, June 2016

Oulu University: K. Oksavik, Flow channels in the dayside cusp ionosphere and ionospheric irregularities, Oulu, Finland, June 2016

Final Meeting, ESA Swarm - SuperMAG Activity: Gjerloev, J. W., SuperMAG Activity, ESA Briefing, June 2016 (Invited briefing)

National Science Foundation: Gjerloev, J. W., S. Ohtani, R. Barnes, T. Motoba, M. Friel, What can SuperMAG offer?, NSF Ground-Based Magnetometer Array Planning Workshop, Greenbelt, Maryland, May 5-6, 2016 (Invited Talk)

University College London: D.A. Lorentzen and L.J. Baddeley, Space physics research at the top of the world, research seminar, April 2016 (Invited talk) 

3rd International Antarctic Gravity Wave Instrument Network (ANGWIN) science workshop: D.A. Lorentzen and L. J. Baddeley, Space physics research infrastructure at Svalbard, Norway, Cambridge, UK, April 2016

MIST (Magnetosphere – Ionosphere – Solar Terrestrial Physics) meeting: L. J. Baddeley, D. A. Lorentzen, N. Partamies, V. A. Pilipenko, K. Oksavik, W. Denig, and X. Chen, Co-ordinated EISCAT and optical measurements of multiple equatorward propagating auroral arcs, Lancaster University, UK , April 2016

MIST meeting: D. A. Lorentzen, M. Conde, P.G. Ellingsen, L. Baddeley, F. Sigernes and D. L. Hampton, The C-REX sounding rocket experiment, Lancaster University, UK , April 2016

SMILE SXI Team Meeting: K. Oksavik, The dayside cusp aurora and transients at the magnetopause, University of Leicester, Leicester, UK, February 2016

Space Research Institute of the Russian Academy of Sciences: D. A. Lorenzten, L. J. Baddeley, K. Oksavik, C. van Der Meeren and X. Chen, Space Physics and Atmospheric Research at the University Centre in Svalbard (UNIS), Moscow, February 2016 (L. Baddeley and D. Lorenzten co-presenters; invited talk)

Umeå University: K. Oksavik, Flow channels in the dayside cusp ionosphere and ionospheric irregularities, Umeå, Sweden, February 2016

2015

When and why are the auroras in the two hemispheres asymmetrical? / 2015

AGU Fall Meeting

Reistad, J. P., N. Østgaard, P. Tenfjord, K. Snekvik, K. M. Laundal, S. Haaland, S. E. Milan, A. Grocott, H. Frey, K. Oksavik, On the importance of magnetotail untwisting (Poster), AGU fall meeting, San Francisco, December 2015

Laundal, K. M., S. Haaland, N. Østgaard, J. P. Reistad, P. Tenfjord, K. Snekvik, S. E. Milan, Birkeland current effects on high-latitude ground magnetic field perturbations (Poster), AGU fall meeting, San Francisco, December 2015

Snekvik, K., P. Tenfjord, N. Østgaard, K. M. Laundal, J. P. Reistad, S. E. Milan, S. Haaland, Solar wind ionosphere coupling times from the dayside to the nightside as observed by AMPERE (Poster), AGU fall meeting, San Francisco, December 2015

Tenfjord, P.N. Østgaard, R. J. Strangeway, J. P. Reistad, K. Snekvik, K. M. Laundal, S. Haaland, S. E. Milan, On which timescales are By induced in the closed magnetosphere?, AGU fall meeting, San Francisco, December 2015

Milan, S., J. Carter, H. Korth, B. Anderson, Principle Component Analysis of Birkeland Currents Determined by the Active Magnetosphere and Planetary Electrodynamics Response Experiment (Poster), AGU fall meeting, 2015, San Francisco

Haaland, S., Estimation of cold plasma outflow during geomagnetic storms, AGU Fall Meeting, San Francisco, December 2015 (Invited talk)

Haaland, S., M. Foerster, K. Laundal, K. McKracken, L. Maes, B. Lybekk, and A. Pedersen, North-south asymmetries in magnetospheric and ionospheric plasma circulation, AGU Fall Meeting, San Francisco, December 2015 (Invited talk)

25th CLUSTER Workshop

Haaland, S., H. Hasegawa, M. Dunlop, R. Fear, B. Walsh, J. DeKeyser, B. Sonnerup and G. Paschmann, What did we learn from Cluster observations at the magnetopause?, Cluster 15th and Double Star 10th anniversary Workshop, Venice, October 2015 (Invited talk)

EISCAT Symposium and 42AM

Haaland, S., L. Baddeley and L. Maes, Using EISCAT vertical velocities to assess mechanisms for ion outflow, EISCAT Symposium and 42AM, Hermanus, South Africa, September 2015

GEM Meeting

Tenfjord, P., N. Østgaard, S. Haaland, S. Milan, K.M. Laundal, J.P. Reistad, K. Snekvik, The Impact of IMF By on the Magnetosphere-Ionosphere System, GEM Workshop (Poster), Snowmass, Colorado, June 2015

Reistad, J.P., N. Østgaard , K.M. Laundal , P. Tenfjord, K. Snekvik, S. Milan, S. Haaland, K. Oksavik, H. Frey, A. Grocott, On the importance of magnetotail untwisting (Poster), GEM Workshop, Snowmass, Colorado, June 2015

Haaland, S., Cold Ion Outflow from the Polar Cap, Plenary talk / tutorial, GEM Workshop, Snowmass, Colorado, June 2015 (Invited talk)

Haaland, S., M. Andre, L. Baddeley, A. Barakat, R. Chappell, V. Eccles, A. Eriksson, C. Johnsen, K. Li, B. Lybekk, L. Maes, A. Pedersen, R. Schunk, D. Welling, Cluster observations of cold ion outflow during the GEM storms, GEM Workshop, Snowmass, Colorado, June 2015 (Invited talk)

IUGG General Assembly

Laundal, K. M., N. Olsen, C.C. Finlay, N. Ostgaard, P. Tenfjord, J.P. Reistad, K. Snekvik, Estimating statistical maps of Birkeland currents from Swarm magnetometer measurements represented in apex coordinates, 26th IUGG, General Assembly 2015, June 22-July 2, 2015, Prague, Czech Republic (Invited talk)

Milan, S., Review of recent advances in Global Magnetospheric Dynamics, 26th IUGG, General Assembly 2015, June 22-July 2, 2015, Prague, Czech Republic (Invited talk)

Milan, S.E, J. Coxon, L. Clausen, B. Anderson, H. Korth, Birkeland currents and the convection cycle, 26th IUGG, General Assembly 2015, June 22-July 2, 2015, Prague, Czech Republic

SuperDarn Workshop

Foerster, M. and S. E. Haaland, Interhemispheric differences of the high-latitude ionospheric convection patterns deduced from Cluster EDI observations over a full solar cycle, SuperDarn Meeting, Leicester, June 2015

Milan, S.E., J. C. Coxon, J. A. Carter, M.-T. Walach, L. B. N. Clausen, H. Korth, and B.J. Anderson, Birkeland currents and the auroral electrojets: observations and modeling, SuperDarn Meeting, Leicester, June 2015

Haaland, S., Inferring vertical plasma motion with SuperDARN ?, SuperDarn Meeting, Leicester, June 2015

Laundal, K. M. , M. Förster, S. Haaland, K. Snekvik, N. Østgaard, J. Reistad, P. Tenfjord, and S. Milan, Effects of electric field component representation on estimated cross polar cap potential — Implications for interhemispheric asymmetries, SuperDarn Meeting, Leicester, June 2015

Internal Space Science Institute Meeting (ISSI)

Laundal, K-M., Magnetic Coordinate Systems, ISSI Meeting, Bern, May 2015

Milan, S., Radar mapping of the ionospheric convection pattern and the link to magnetospheric currents, ISSI Meeting, Bern, May 2015

EGU Spring Meeting

Rexer, T., N. Østgaard, J. P. Reistad and K. M. Laundal, Current systems associated with Non-Conjugate Aurora (Poster), EGU Meeting, Vienna, April 2015

Reistad, J.P., N. Østgaard, P. Tenfjord, K. Snekvik, K. M. Laundal, S. Milan and K. Oksavik, Are there auroral signatures related to asymmetric generation of field-aligned currents in the tail due to an IMF By induced twist? (Poster), EGU Meeting, Vienna, April 2015

Snekvik, K., K. M. Laundal, N. Østgaard, P. Tenfjord, J. P. Reistad, S. Milan and S. Haaland, Magnetic field patterns near the polar cap boundary (Poster), EGU Meeting, Vienna, April 2015

Laundal, K.M., M. Förster, K. Snekvik, N. Østgaard, J. Reistad, P. Tenfjord and S. Milan, Effects of electric field component representation on estimated cross polar cap potential – Implications for interhemispheric asymmetries (Poster), EGU meeting, Vienna, April 2015

Tenfjord, P., K. Snekvik, N. Østgaard, K. M. Laundal, J. P. Reistad, S. Milan, S. Haaland, Generation of Birkeland Currents during IMF By: Mechanisms and theory, EGU meeting, Vienna, April 2015

Haaland, S., J. Reistad, P. TenfjordJ. Gjerloev, L. Maes, J. DeKeyser, R. Maggiolo, C. Anekallu and N. Dorville, The magnetopause – an asymmetric boundary, EGU Meeting, Vienna, April 2015

M. Förster and S. Haaland, Interhemispheric differences and solar cycle effects of the high-latitude ionospheric convection patterns deduced from Cluster EDI observations, EGU Meeting, Vienna, April 2015

OTHER MEETINGS / SEMINARS

Universitet i Bergen: Østgaard, N., How is Earth coupled to space, UIB: Forskning og Formidling, November 2015 (Invited talk)

Annual Meeting of the Norwegian Geophysical Society:  Østgaard, N., How is Earth coupled to space? Bergen, October 2015 (Invited talk)

Workshop on Unsolved Problems in Magnetospheric Physics: Østgaard, N., J.P. Reistad, P. Tenfjord, K. M. Laundal, S. Haaland, K. Snekvik, S. Milan, Unanswered questions regarding solar wind - magnetosphere interaction, Workshop on Unsolved Problems in Magnetospheric Physics, 6-12th September, 2015 Crown Spa Hotel, Scarborough, UK (Invited talk)

Seminar at Space Sciences Laboratory: Reistad, J. P., Hemispheric asymmetries in the Earth's aurora, University of California, Berkeley, February 2015

Seminar at GFZ German Research Centre for Geoscienes, Potsdam: Laundal, K. M., Seasonal variations in high-latitude equivalent currents and their relation to Birkeland currents, Potsdam, Germany, 2015​

How do we get beyond the large-scale static picture of the ionosphere? / 2015

AGU Fall Meeting

Gjerloev, J. W., M. Friel, M. Muhleisen, S. Ohtani, P. Martin, What is magnetically quiet time?, AGU Fall meeting, San Francisco, December 2015

Gjerloev, J. W., M. Friel, M. Muhleisen, S. Ohtani, P. Martin, A. Gjerloev, Complexities of determining the Field-Aligned current density from LEO satellites (Poster), AGU Fall Meeting, San Francisco, December 2015

Sigernes, F., P. G. Ellingsen, S. E. Holmen, P. Brekke, A. Danielsen, B. Olsen, M. Syrjäsuo, X. Chen, M. Dyrland, N. Partamies, L. Baddeley, D. A. Lorentzen, M. Krogtoft, T. Dragland, H. Mortensson, L. Smistad, K. Oksavik, C. Heinselman, and S. Habbal, The total solar eclipse on Svalbard 2015, AGU Fall Meeting, San Francisco, December 2015

Moen, J., H. Carlson, K. Oksavik, Å. Skjæveland, and Y. Daabakk, FTE driven dynamics of the F-region cusp ionosphere, AGU Fall Meeting, San Francisco, December 2015

Lessard, M., I. J. Cohen, R. H. Varney, K. Oksavik, M. D. Zettergren, and K. A. Lynch, Ion upflow dependence on ionospheric density and solar photoionozation, Poster, AGU Fall Meeting, San Francisco, December 2015

Special session SM03: Advancing our Understanding of the Dynamic Magnetosphere-Ionosphere System Using Auroral Imaging, Conveners: Gjerloev, J., Zou, Knudsen, Floberhagen, AGU Fall meeting, San Francisco, December 2015

Chapman Conference on Magnetospheric Dynamics

Nosikova N.S., N.V. Yagova, V.A. Pilipenko, O.V. Kozyreva, L. Baddeley and D. Lorentzen, Spectral parameters of 1-4 mHz geomagnetic and auroral luminosity pulsations in the polar caps and near the polar boundary of the auroral oval, AGU Chapman Conference on Magnetospheric Dynamics, Fairbanks, Alaska, USA from 27 September - 2 October 2015

17th EISCAT Symposium and 42AM Optical Meeting

Pitout, F., A. Marchaudon, P.-L. Blelly, X. Bai, F. Forme, S.C. Buchert, and D.A. Lorentzen, Swarm and ESR observations of the ionospheric response to a field-aligned current system in the high-latitude midnight sector, 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Ellingsen, P. G., F. Sigernes, and D. Lorentzen, Imaging the solar corona under the total eclipse 20th March 2015 on Svalbard, The 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Sigernes, F., P. G. Ellingsen, S. E. Holmen, P. Brekke, A. Danielsen, B. Olsen, M. Syrjäsuo, X. Chen, M. Dyrland, N. Partamies, L. Baddeley, D. A. Lorentzen, M. Krogtoft, T. Dragland, H. Mortensson, L. Smistad, K. Oksavik, and S. Habbal, Preliminary results from the total solar eclipse campaign on Svalbard 2015, The 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Baddeley, L. J., D. A. Lorentzen, K. Oksavik, W. Denig , N. Partamies, and X. Chen, Co-ordinated EISCAT and optical measurements of multiple equatorward propagating auroral arcs, 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Lorentzen, D.A., M. Conde, P.G. Ellingsen, L. Baddeley, F. Sigernes, and D. L. Hampton, The C-REX sounding rocket – optical data, 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Partamies, N., D. Whiter, L. Juusola, K. Kauristie and S. Massetti, Evolution of auroral structures and heights at substorm onsets, 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

SuperDarn Workshop

Chen, X., D.A. Lorentzen, J. Moen, K. Oksavik, L.J. Baddeley, Simultaneous ground-based  optical and HF radar observations of the ionospheric footprint of open/closed field line boundaries along meridian line, SuperDarn Meeting, Leicester, June 2015

Lorentzen, D. and L. Baddeley, An update on the Svalbard SuperDARN radar, SuperDarn Meeting, Leicester, June 2015

International Union of Geodesy and Geophysics (IUGG)

Gjerloev, J. W.: The Large-Scale Current System During Auroral Substorms, IUGG, Prague, Czech Republic, June 2015 (Invited talk)

Joint Assembly

Engebretson, M. J., J. L. Posch, J. R. Wygant, C. Kletzing, M. Lessard, C.-L. Huang, H. E. Spence, A. J. Boyd, D. N. Baker, C. W. Smith, H. J. Singer, R. B. Horne, G. D. Reeves, M. Gkioulidou, K. Oksavik, I. R. Mann, T. Raita, and K. Shiokawa, Van Allen Probes, NOAA, and Ground Observations of an Intense Pc 1 Wave Event Extending 12 Hours in MLT and its Resulting Depletion of the Outer Radiation Belt, Joint Assembly, Montreal, Canada, May 2015

International Union for Radio Science (URSI)

Spogli, L., L. Alfonsi, D. Di Mauro, C. Cesaroni, P. Cilliers, E. Correia, K. Oksavik, P. Prikryl, V. Romano, G. De Franceschi, GNSS scintillation case studies at high latitudes following solar events of January 2014, 1st URSI Atlantic Radio Science Conference (URSI AT-RASC), Gran Canaria, Spain, May 2015

EGU Spring Meeting

Nosikova, N., N. V. Yagova, V. A. Pilipenko, O. V. Kozyreva, D. Lorentzen, L. Baddeley, Does a 'substorm precursor' exist in the polar cap, EGU meeting, Vienna, April 2015

Oksavik, K., C. van der Meeren, D. A. Lorentzen and L. J. Baddeley, Scintillation from poleward moving auroral forms in the cusp ionosphere (Poster), EGU Meeting, Vienna, April 2015

van der Meeren, C., K. Oksavik and D.Lorentzen, Observations of simultaneous multi-constellation GNSS scintillation in nightside aurora over Svalbard (Poster), EGU Meeting, Vienna, April 2015

Kwagala, N.K., K. Oksavik, D.A. Lorentzen and H.C. Carlson, Dayside 630.0nm emissions due to thermally excited O(1D) in the cusp region ionosphere over Longyearbyen, Svalbard (Poster), EGU Meeting, Vienna, April 2015

Gjerloev, J. W., The Large-Scale Current System During Auroral Substorms, EGU Meeting, Vienna, Austria, April 2015 (Invited talk)

AMS Meeting

Gjerloev, J. W., N. Fox, S. Ohtani, R. Barnes, SuperMAG: Global and Continuous Space Weather Monitoring, AMS, Phoenix, Jan. 2015

OTHER MEETINGS / SEMINARS

Aberystwyth University:  Baddeley, L. and D. Lorentzen, Space Physics Infrastructure and Research at the University Centre in Svalbard (UNIS), UK, December 2015 (Invited talk)

British Antarctic Survey:  Baddeley, L. and D. Lorentzen, Space Physics and Atmospheric Research at the University Centre in Svalbard (UNIS), Cambridge, UK, November 2015 (Invited talk)

Royal Astronomical Society: L. Baddeley, D. Lorenzten and K. Oksavik, Space Physics on Svalbard: Research and Infrastructure for investigating the auroral cusp region, Discussion Meeting, London, UK, November 2015 (Invited talk)

University of Leicester: Gjerloev, J. W. et al.,  SuperMAG: What is it and why should you care?, UK, October 2015 (Invited talk)

British Geological Survey: Gjerloev, J. W. et al.,  SuperMAG: What is it and why should you care?, Univ. of Edinburgh, Scotland, October 2015 (Invited talk)

SMILE kick-off meeting:  K. Oksavik, F. Sigernes, D. A. Lorentzen, L. J. Baddeley, and N. Partamies, Observations of the dayside cusp aurora using ground-based optics and radar, Mullard Space Science Laboratory, Dorking, UK, September 2015 (Invited talk)

ESA SWARM:  Gjerloev, J.W., et al., Revisiting the "quiet time" concept: The SuperMAG defined disturbance level, Paris, September 2015 (Invited talk)

High North Study Tour for the European Commission:  L. Baddeley, EISCAT 3D and auroral research on Svalbard, July 2015

Studietur Nord:  N. Partamies and L. Baddeley, Space Physics Research on Svalbard, Svalbard, July 2015

Dipolomatreisen:  Ellingsen, P. G., Aurora Borealis – One of the Seven Natural Wonders, UNIS, June 2015

ConocoPhillips / Lundin High North Research Meeting:  Baddeley, L., D. A. Lorenzten, Project Update: Energy Transfer from the Sun to the Earth, Stavanger, June 2015

What are the effects of particle precipitation on the atmospheric system? / 2015

AGU Fall Meeting          

de Wit, R., R. Hibbins, P. Espy, D. Janches, D. Fritts, Vertical Coupling: Quantifying the Influence of Lower Atmospheric Wind Variability on Mesosphere and Lower Thermosphere Gravity Wave Forcing, Abstract SA41B-2347, AGU Fall Meeting, San Francisco, USA, December 2015

Smith-Johnsen, C., H. Nesse Tyssøy, L.-K. G. Ødegaard, F. Stordal, Y. Orsolini, K. Hendricks, L. Megner, Nitric oxide produced by energetic electron precipitation during a geomagnetic storm in April 2010, Poster, AGU Fall Meeting, San Francisco, USA, December 2015

Grandhi, K.K., W. Singer, C. Zuelicke, H. Nesse Tyssøy, M. Rapp, W. Hocking, H. Schmidt (Poster), Mesosphere and Lower Thermosphere Zonal wind Variations over Tropics: Relation to local stratospheric zonal winds and Global Circulation anomalies, AGU Fall Meeting, San Francisco, USA, December 2015

Atmospheric Limb Workshop

Hendrickx, K., L. Megner, J. Gumbel, D.E. Siskind, Y.J. Orsolini, H. Nesse Tyssøy, M. Hervig, Observation of 27-day solar cycles in the production and mesospheric descent of EPP-produced NO, Atmospheric Limb Workshop, Göteborg, September 17, 2015

Perot, K., D. Murtagh, Y. Orsolini, Odin/SMR Nitric Oxide Observations and its Contribution to a Better Understanding of Energetic Particle Precipitation Indirect Effect, Atmospheric Limb Workshop, Göteborg, September 17

AOGS 2015

Espy, P., R. de Wit, R. Hibbins, E. Hennum, Hydroxyl airglow temperature behaviour during Sudden Stratospheric Warming events, Asia Oceania Geosciences Society Meeting, Singapore, August  2015 (Invited talk)

Orsolini, Y., V. Limpasuvan, K. Perot, D. Kinnison, Downward Transport of nitrogen oxides produced by energetic particle precipitation, Asia Oceania Geosciences Society Meeting, Singapore, August 2015

International Union of Geodesy and Geophysics (IUGG)

H.N. Tyssøy, M.I. Sandanger, A.E. Zawedde, L.K. Ødegaard and J. Stadsnes, The impact of energetic electron precipitation on mesospheric OH during weak to moderate recurrent storms in 2008, 26th IUGG, General Assembly 2015, Prague, Czech Republic, June 2015

Limpasuvan, V., Y. Orsolini, R. Garcia, A. Smith, D. Kinnison, Global MLT Response to Major Sudden Stratospheric Warming (SSW) Events, 26th IUGG, General Assembly 2015, Prague, Czech Republic, June 2015 (Invited talk)

Japan Geoscience Union Meeting

Espy, P. J., N. H. Stray and R. E. Hibbins, Simultaneous observation of planetary waves in the mesosphere and ionosphere, Japan Geoscience Union Meeting, Chiba-city, Japan, May 2015

EGU Spring Meeting

Smith-Johnsen C., Y. Orsolini, F. Stordal, V. Limpasuvan, Nighttime mesospheric ozone during the southern hemispheric major stratospheric warming, EGU Meeting, Vienna, April 2015

Marszalek, M.A., H.N. Tyssøy, R. Hibbins, L.-K. Ødegaard, M. Sandanger and J. Stadsnes, Pico talk: Effective lifetime of NOx produced by energetic particle precipitation in the winter hemisphere, EGU Meeting, Vienna, April 2015

Tyssøy, H.N., J. Stadsnes and A.E. Zawedde, Pico talk: The OH morphology during Solar Proton Events – footprints of the cutoff latitudes, EGU Meeting, Vienna, April 2015

Zawedde, A.E., H.N. Tyssøy, J. Stadsnes, L.-K. Ødegaard, M.I. Sandanger and Y. Orsolini, Pico talk: The impact of energetic electron precipitation on the distribution of OH and O3 in the mesosphere during weak to moderate recurrent storms in 2008, EGU Meeting, Vienna, April 2015

Sandanger, M.I., J. Stadsnes, H.N. Tyssøy, L.-K. G. Ødegaard and A. Åsnes, Pico talk: Estimating the energy deposition based on anisotropic fluxes measured by POES MEPED, EGU Meeting, Vienna, April 2015

Ødegaard, L.-K.G., H.N. Tyssøy, M.I. Sandanger, J. Stadsnes and F. Søraas, Pico talk: Relativistic electron precipitation during geomagnetic storm time in the years 2006-2010, EGU Meeting, Vienna, April 2015

OTHER MEETINGS / SEMINARS

Meteorological Institute, Stockholm: Orsolini, Y., Mesosphere/Stratosphere Coupling during Major Sudden Warmings, Seminar at Meteorological Institute, University of Stockholm, November 2015

SPARC Data Assimilation Workshop: Orsolini Y., Mesosphere/Stratosphere Coupling during Stratospheric Warmings, 11th SPARC Data Assimilation Workshop, Paris (France), October 14-16, 2015

Norwegian Geophysical Society: Zawedde, A.E., Nesse Tyssøy, H., Hibbins, R., Espy, P.J., Ødegaard, L.-K. G., Sandanger, M.I. and Stadsnes, J., The impact of energetic electron precipitation on mesospheric hydroxyl during a year of solar minimum, Geophysical Interactions, October, 2015, Bergen, Norway (Invited talk)

SPARC Data Assimilation Workshop: Orsolini Y., Mesosphere/Stratosphere Coupling during Stratospheric Warmings, 11th SPARC Data Assimilation Workshop, Paris (France), October 14-16, 2015

EISCAT Symposium and 42AM: Partamies, N., D. Whiter, L. Juusola, K. Kauristie and S. Massetti, Evolution of auroral structures and heights at substorm onsets, The 17th biennial EISCAT Symposium and 42AM Optical Meeting, Hermanus, South Africa, September 2015

Nordic Physics Day Meeting: Zawedde, A.E., Nesse Tyssøy, H., Ødegaard, L.-K. G., Sandanger, M.I. and Stadsnes, J., Weak to Moderate Recurrent Storms and their Influence on the Middle Atmosphere Composition in 2008, 9th -12th June 2015 Trondheim, Norway (Invited talk)

Advances in Atmospheric Science and Applications (ATMOS): Perot, K., Y. Orsolini, D. Murtagh, V. Limpasuvan, D. Kinnison, Energetic Particle Precipitation Indirect Effect During the Arctic Winter 2012/2013: WACCM-SD vs. Odin/SMR, ESA Advances in Atmospheric Sciences and Applications, Heraklion, Greece, June 2015

Triennial Earth-Sun Summit (TESS): Stadsnes, J., H.N. Tyssøy, A. E. Zawedde, L.-K. Ødegaard, M. I. Sandanger, Y. Orsolini, The impact of energetic electron precipitation on mesospheric OH and O3 during weak to moderate recurrent geomagneic storms in 2008, Trienniel Earth-Sun Summit, Indianapolis, USA, April 2015

Conference on Sun-climate Connections: Orsolini, Y., V. Limpasuvan, K. Perot, D. Kinnison, Downward Transport of Nitrogen Oxides Produced by Energetic Particle Precipitation, Conference on Sun-Climate Connections, Kiel, Germany, March 2015

Meteorological Institute, University of Stockholm: Nesse Tyssøy, H., The challenge of quantifying the electron energy deposition into the atmosphere – Electron fluxes measured by MEPED on the NOAA/POES, February 2015

2014

When and why are the auroras in the two hemispheres asymmetrical? / 2014

AGU Fall Meeting

Tenfjord, P., N. Østgaard, K. Snekvik, K. M. Laundal, J. P. Reistad, Generation of Field Aligned Currents during IMF By; mechanisms and theory, AGU fall meeting, San Francisco, USA, December 2014

Haaland, S., Dawn-dusk asymmetries in the magnetopause and ring current. Invited talk, AGU Fall meeting, San Francisco, USA, December 2014 (Invited talk)

Gjerloev, J. W., M. Muhlheiusen, M. Friel, P. Martin, G. N. Shaw and S. Ohtani, Understanding Hemispheric Asymmetries of the Auroral Electrojets, Fall AGU, San Francisco, Dec. 2014 (Invited talk)

Reistad, J. P., N. Østgaard, K. M. Laundal, K. Snekvik, P. Tenfjord, and K. Oksavik, Hemispheric differences in solar wind – magnetosphere interactions, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014 (Invited talk)

CEDAR Workshop in Seattle

Reistad, J.P., N. Østgaard, K. M. Laundal, and K. Oksavik, Conjugate and non-conjugate aspects of the aurora, The Annual Summer CEDAR Workshop in Seattle, USA, June 22-26, 2014 (Invited talk)

Reistad, J.P., N. Østgaard, K. M. Laundal, S. Haaland, P. Tenfjord, K. Oksavik, and S.E. Milan, Hemispheric asymmetries in the global aurora and IMF Bx, The Annual Summer CEDAR Workshop in Seattle, USA, June 22-26, 2014

SuperDARN Workshop

Østgaard, N., Birkeland Centre for Space Science, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014 (Invited talk)

Reistad, J. P., N. Østgaard, K. M. Laundal, S. Haaland, P. Tenfjord, K. Snekvik, K. Oksavik and S. Milan, Ionospheric scintillations in the dayside polar ionosphere, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

EGU Spring Meeting

Reistad, J. P., N. Østgaard, K. M. Laundal, S. Haaland, P. Tenfjord, and K. Oksavik, Comparison of solar wind driving of the aurora in the two hemispheres due to the solar wind dynamo, Oral presentation, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

How do we get beyond the large-scale static picture of the ionosphere? / 2014

AGU Fall Meeting

Engebretson, M. J., J. L. Posch, J. R. Wygant, C. A. Kletzing, M. Lessard, R. B. Horne, G. D. Reeves, M. Gkioulidou, J. Fennell, K. Oksavik, T. Raita, Van Allen Probes, NOAA, and Ground Observations of an Intense Pc 1 Wave Event Extending 12 Hours in MLT, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014

Gjerloev, J. W., R. Schaefer, L. Paxton, Y. Zhang, Poster: A comprehensive empirical model of the ionospheric conductivity derived from SSUSI/GUVI, SuperMAG and SuperDARN data, Fall AGU, San Francisco, Dec. 2014

Gjerloev, J. W., M. Muhlheiusen, M. Friel, P. Martin, G. Le, C. Stolle, and H. Lühr, Poster: Can we derive the current density from three point LEO measurements of the magnetic field perturbations?, Fall AGU, San Francisco, Dec. 2014

Goodwin, L., B. Iserhienrhien, D. M. Miles, S. Patra, C. van der Meeren, S. C. Buchert, J. Burchill, L.B. N. Clausen, D. J. Knudsen, K. A. McWilliams, J. I. Moen, Swarm in situ observations of F-region polar cap patches created by cusp precipitation, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014

Humberset, B. K. and J. Gjerloev, Dependence of Large-scale Global Poynting Flux on IMF By Polarity Change, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014

Moen, J. I., Y. Daabakk, K. Oksavik, L. B. N. Clausen, T. A. Bekkeng, T. Abe, Y. Saito, L. Baddeley, D. A. Lorentzen, F. Sigernes, T. K. Yeoman, Plasma Instability Growth Rates in the F-Region Cusp Ionosphere, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014

Nishimura, T., L. R. Lyons, Y. Zou, B. Wang, K. Oksavik, J. I. Moen, L. B. N. Clausen, E. Donovan, V. Angelopoulos, K. Shiokawa, J. Ruohoniemi, N. Michael, N. Nishitani, K. A. McWilliams, M. Lester, Day-night coupling by a localized flow channel visualized by polar cap patch propagation, AGU Fall meeting 15-19 Dec, San Francisco, USA, 2014

11th European Space Weather Week

Ghoddousi-Fard, R, P. Prikryl, K. Oksavik, C. van der Meeren, F. Lahaye, D. Danskin, Characterization of high latitude GPS sensed ionospheric irregularities: Case studies, 11th European Space Weather Week, 17-21 Nov 2014

ION

Oksavik, K., Plasma convection over the polar ionosphere, Norwegian – Ukrainian School – Conference Remote Radio Sounding of the Ionosphere (ION-2014), 14 Nov 2014

Oksavik, K., Plasma irregularities in the polar F-region of the ionosphere, Norwegian – Ukrainian School – Conference Remote Radio Sounding of the Ionosphere (ION-2014), 14 Nov 2014

THEMIS SWG WebEx

Gjerloev, J. W., The SuperMAG Project, THEMIS SWG WebEx seminar series, Oct 2014. (Invited talk)

Cluster Workshop

Engebretson, M. J., J. L. Posch, J. R. Wygant, C. A. Kletzing, M. R. Lessard, R. B. Horne, G. D. Reeves, A. Y. Ukhorskiy, J. F. Fennell, K. Oksavik, T. Raita, Van Allen probes, NOAA, and ground observations of an intense Pc 1 wave event extending 12 hours in MLT, Geospace revisited: a Cluster / MAARBLE / Van Allen Probes Conference, 15-20 Sept 2014

12th International Conference on Substorms

Gjerloev, J. W. and R. A. Hoffman, The Large-Scale Current System During Auroral Substorms, ICS-12, Japan. (Invited talk)

40th COSPAR Scientific Assembly

Fear, R. C., S. Milan, K. Oksavik, M. Palmroth, Observational tests of flux transfer event structure, 40th COSPAR Scientific Assembly, Moscow (Russia), August 2-10, 2014

Søraas, F., Ring current behavior revealed by low altitude observatons of auroral and equatorial particle precipitation, Talk, 40th COSPAR Scientific Assembly, Moscow (Russia), August 2-10, 2014

Sigernes, F., J. Mattanen, D.A. Lorentzen, S. Chernouss and C.S. Deehr, Color matching the aurora, The 41st Annual European Meeting on Atmospheric Studies by Optical Methods, Stockholm, Sweden, August 17-21, 2014

Roldugin, V., F. Sigernes, A. Roldugin, S. Pilgaev, The electron and proton precipitation in Scandinavian sector during SC on 24 January 2012 (Poster), The 41st Annual European Meeting on Atmospheric Studies by Optical Methods, Stockholm, Sweden, August 17-21, 2014

AOGS

Gjerloev, J. W., B. K. Humberset, S. A. González, C. G. M. Brum, S. Ohtani, and M. Sulzer, Temporal behavior of the ionospheric electron density over the Arecibo radar, Asia Oceania Geosciences Society Conference 2014, July 28-Aug 1, 2014

Humberset, B. K., J. Gjerloev, R. Michell, M. Samara, and I. R. Mann, Characteristics of Pulsating Auroral Patches, Asia Oceania Geosciences Society Conference 2014, July 28-Aug 1, 2014

Humberset, B. K., J. Gjerloev, R. Michell, M. Samara, and I. R. Mann, Spatiotemporal Characteristics of Auroral Emissions, Asia Oceania Geosciences Society Conference 2014, July 28-Aug 1, 2014

CEDAR Workshop

van der Meeren, C., K. Oksavik, D. Lorentzen, J. Moen, V. Romano, GPS scintillation and irregularities at the front of a tongue of ionization in the nightside polar ionosphere over Svalbard, Presentation at The Annual Summer CEDAR Workshop in Seattle, USA, June 22-26, 2014

van der Meeren, C., K. Oksavik, D. Lorentzen, GNSS scintillations in the nightside polar ionosphere over Svalbard, Poster presented at The Annual Summer CEDAR Workshop in Seattle, USA, June 22-26, 2014

3rd Swarm Science Meeting

Gjerloev, J. W., S. Ohtani, G. Le, and B. Humberset, Characteristics of the Field-Aligned Current System, 3rd Swarm Science Meeting, Copenhagen, 19-20 June, 2014

SuperDARN workshop

Chen, X. et al., Statistical comparison of HF radar backscatter boundaries with auroral particle precipitation boundaries on the dayside, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

Sigernes, F., SuperDARN workshop 25-30th May, Color matching the aurora, UNIS Svalbard, 2014

Oksavik, K., C. van der Meeren, D. A. Lorentzen, J. I. Moen, and M. Lester, Ionospheric scintillations in the dayside polar ionosphere, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

Lorentzen, D.A., L. Baddeley, F. Sigernes, M. Dyrland, J.M. Moen and P. Brekke, An update on the Svalbard SuperDARN radar, SuperDARN workshop, Color matching the aurora, Longyearbyen, Norway, May, 2014

van der Meeren, C., K. Oksavik, D. Lorentzen, J. Moen, and V. Romano, GPS phase scintillation and irregularities at the front of a tongue of ionization in the nightside polar cap, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

EGU

Gjerloev, J. W., B. K. Humberset, S. A. González, C. G. M. Brum, S. Ohtani, and M. Sulzer, Temporal behavior of the ionospheric electron density over the Arecibo radar, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Humberset, B. K., and J. Gjerloev, Dependence of Global Poynting Flux on IMF By Polarity, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Oksavik, K., and C. van der Meeren, The GALILEO navigation system and space weather effects in the polar cap, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

van der Meeren, C., K. Oksavik, D. Lorentzen, J. I. Moen, and V. Romano, Arrival of a tongue of ionization in the nightside polar ionosphere and effects on GPS scintillation, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

OTHER PRESENTATIONS / SEMINARS

ConocoPhillips Northern Area Research Program Seminar: Baddley, L. et al., The Sun’s Influence on the Earth’s Atmosphere: Space Weather, Stavanger, 2014

ESA Swarm Quality Working Group: Gjerloev, J. W., Swarm-SuperMAG connection, Rome, Italy, 2014 (Invited talk)

APL-Space Weather Briefing: Gjerloev, J. W., R. Barnes, B. Anderson, H. Korth, L. Paxton, R. Schaefer, E. Miller, SSUSI, AMPERE, SuperDARN and SuperMAG: In-house datasets needed for complete electromagnetic solutions, APL, 2014

APL Seminar: Gjerloev, J. W., Can SuperMAG provide information of the ionospheric conductance distribution?, APL, 2014

ISSI Conductance Panel: Gjerloev, J. W., Determining the ionospheric conductance distribution: Fundamental challenges, Bern, 2014

2nd ARISE Workshop: Holmen, S.E., Univ. of Firenze, Italy. Poster: Case study of a wave event observed in OH airglow emissions over Longyearbyen, Svalbard (78°N), 24 January 2012, 25-27 March 2014

JHU-APL Space Department Special Seminar: Humberset, B. K., and J. Gjerloev, Using all-sky imagers to gain insight into Magnetopshere-Ionosphere coupling, 11. April 2014

6th EISCAT_3D User Meeting: Oksavik, K., What can multi-constellation GNSS measurements do for EISCAT_3D?, Uppsala, Sweden, May 12-14, 2014

Presentation to committee on Justice of the Parliament of Norway: Lorentzen, D.A., F. Sigernes, L. Baddeley, M. Dyrland, J. Moen, P. Brekke, K. Oksavik, X. Chen, S. Holmen, The Kjell Henriksen Observatory – a window into space, July 2014

Presentation to committee on Justice of the Parliament of Norway: Baddeley, L. J., A New Radar Facility on Svalbard, July 2014

Studietur Nord: Lorentzen, D.A., F. Sigernes, L. Baddeley, M. Dyrland, J. Moen, P. Brekke, K. Oksavik, X. Chen, S. Holmen, The Kjell Henriksen Observatory – a window into space, August, 2014

Studietur Nord: D.A. Lorentzen, Space weather and its implications, Studietur Nord, August, 2014

Studietur Nord: Baddeley, L. J., A New Radar Facility on Svalbard, August 2014

Svalbard Science Forum Workshop: Baddeley, L. J., Space Physics and Upper Atmospheric Research on Svalbard, New technology for bridging the arctic knowledge gaps, Ven, Sweden, October 2014

ESA Swarm DQW: Gjerloev, J. W., SuperMAG-SWARM collaboration plans, Berlin, Dec 2014 (Invited talk)

What are the effects of particle precipitation on the atmospheric system? / 2014

AGU Fall Meeting

De Wit, R.J., R. Hibbins, P.J. Espy, Poster: The Effect of Polar Vortex Disturbances on Mesopause Gravity Wave Drag in Relation to Mesopause Pole-to-Pole Coupling, AGU Fall meeting, San Francisco, December 2014

Espy, P.J., N.H. Stray, R. Hibbins, Quasi-Stationary Planetary Wave in the MLT During Summer, AGU Fall meeting, San Francisco, December 2014

Limpasuvan V., Y. J. Orsolini, A. Chandran, R. R. Garcia, D. E. Kinnison , MLT Dynamics Related to Major Sudden Stratospheric Warming Events, AGU Fall meeting, San Francisco, December 2014

40th COSPAR Scientific Assembly

Orsolini, Y., V. Limpasuvan, D. Kinnison, Elevated stratopause events and downward transport of nitrogen oxides, 40th COSPAR Scientific Assembly, Moscow (Russia), August 2-10, 2014

Orsolini, Y., O. Tweedy, V. Limpasuvan, C. Randall, A. Smith, R. Garcia, A. Chandran, L. Harvey, Nighttime secondary ozone layer during major stratospheric sudden warmings in specified-dynamics waccm, 40th COSPAR Scientific Assembly, Moscow (Russia), August 2-10, 2014

Stadsnes, J., M. I. Sandanger, H. N. Tyssøy, L.-K. Glesnes Ødegaard, and A. Åsnes, Estimating the energy deposition in the mesosphere from anisotropic electron fluxes during REP event, 40th COSPAR Scientific Assembly, Moscow (Russia), August 2-10, 2014

AOGS

Espy, P. J., R. E. Hibbins, and R. J. de Wit, Coupling of the 27-Day Solar Rotation Cycle Between the Ionosphere and Mesosphere, Oral presentation, Asia Oceania Geosciences Society Conference 2014, July 28-Aug 1, 2014

Stray, N. H., P. J. Espy, and R. E. Hibbins, Coupling of Planetary Wave Activity from the MLT into the Ionosphere, Poster presentation, Asia Oceania Geosciences Society Conference 2014, July 28-Aug 1, 2014

MST14/iMST1

de Wit, R. J., P. J. Espy, and R. E. Hibbins, Gravity wave momentum flux during disturbed and undisturbed polar vortex conditions, The 14th Workshop on Technical and Scientific Aspects of MST Radar MST14/iMST1, São Jose dos Campos, Brazil, 25-31 May, 2014

SuperDARN Workshop

Kleinknecht, N., P. J. Espy, and R. E. Hibbins, Quasi-Stationary planetary waves in the MLT during summer, Poster presentation, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

Kleinknecht, N., P. J. Espy, and R. E. Hibbins, Zonal wave number 1 and 2 mesospheric planetary waves from meteor winds using SuperDARN, Oral presentation, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014, Talk by Kleinknecht

Kleinknecht, N., R. J. de Wit, P. J. Espy, and R. E. Hibbins, Observational evidence for temporary planetary-wave forcing of the MNLT during fall equinox, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014, Poster by Stray

Kleinknecht, N., Y. J. Orsolini, P. J. Espy, V. Limpasuvan, and R. E. Hibbins, Observation of PW activity in the MLT during SSW using a chain of SuperDARN radars, Poster presentation, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

Sigernes, F., Color matching the aurora, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014

NDMC

Bittner, M., L. Küchelbacher, C. Schmidt, S. Wüst, S. E. Holmen, P. Espy, and P. Ammosov, Impact of the stratospheric warming 2012/2013 on the upper mesosphere, poster presentation, 6th meeting Network for the Detection of Mesospheric Change (NDMC), Grainau, Germany, 19-22 May, 2014

Espy, P. J., R. E. Hibbins, and A. A. Djupvik, Using astronomical background data as a source of or supplement to long-term OH data sets, Oral presentation, 6th meeting Network for the Detection of Mesospheric Change (NDMC), Grainau, Germany, 19-22 May, 2014

Espy, P. J., Report on Thematic Area: Inter-hemispheric Coupling, Invited talk, 6th meeting Network for the Detection of Mesospheric Change (NDMC), Grainau, Germany, 19-22 May, 2014

5th HEPPA/SOLARIS Workshop

Nesse Tyssøy, H. and J. Stadsnes, Parameterization of the day-night asymmetry in the atmospheric energy deposition during solar proton events,  Poster presentation, The 5th HEPPA/SOLARIS Workshop, Baden-Baden, Germany,  5-9 May, 2014

Orsolini, Y., O.-K. Kvissel, and F. Stordal, Impact of energetic particle precipitation on the middle atmosphere through stratospheric nitrid acid, The 5th HEPPA/SOLARIS Workshop, Baden-Baden, Germany,  5-9 May, 2014

Sandanger, M.I., L.-K. Glesnes Ødegaard, H. Nesse Tyssøy, J. Stadsnes, F. Søraas, and K. Oksavik, A new method of recalibrating NOAA MEPED proton measurement, Poster presentation, The 5th HEPPA/SOLARIS Workshop, Baden-Baden, Germany,  5-9 May, 2014

EGU

Glesnes Ødegaard, L.-K., M. Sandanger, F. Søraas, H. Nesse Tyssøy, and J. Stadsnes, Space weather effects on Solid State detectors on low altitude polar orbiting satellites, Poster presentation, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Sandanger, M. I., L.-K. Glesnes Ødegaard, H. Nesse Tyssøy, J.  Stadsnes, F. Søraas, and K. Oksavik, Poster: A new method of recalibrating NOAA MEPED proton measurements, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

ARISE

Holmen, S. E., M. Dyrland, F. Sigernes, Case study of a wave event observed in OH airglow emissions over Longyearbyen, Svalbard (78°N), 24 January 2012, Poster presentation, 2nd ARISE Workshop, University of Firenze, Italy, 25-27 March, 2014

OTHER PRESENTATIONS / SEMINARS

41st Annual European Meeting on Atmospheric by Optical Methods: Sigernes, F., J. Mattanen, D.A. Lorentzen, S. Chernouss and C.S. Deehr, Color matching the aurora, Stockholm, Sweden, August 17-21, 2014

41st Annual European Meeting on Atmospheric by Optical Methods: Roldugin, V., F. Sigernes, A. Roldugin and S. Pilgaev, The electron and proton precipitation in Scandinavian sector during SC on 24 January 2012, Poster presentation, Stockholm, Sweden, August 17-21, 2014

Working Team on Added-Value of stratospheric data assimilation: Orsolini, Y., Elevated stratopause events and downward transport of nitrogen oxides, Int. Inst. For Space Sciences, Bern (Switzerland), April  1-4, 2014

What is the role of energetic particles from thunderstorms in geospace? / 2014

Carlson, B. E., C. Liang, P. Bitzer, and H. Christian, Comparison of Simulations of Preliminary Breakdown to Observations from the Huntsville Alabama Marx Meter Array, AGU Fall meeting, San Francisco, USA, December 2014

Infanger, A., D. M Smith, T. Gjesteland, N. Østgaard and P. Buzbee, Toward an optimized Third Catalog of RHESSI TGFs, AGU fall meeting, San Francisco, USA, December 2014

Østgaard, N., B. E. Carlson, Ø. Grøndahl, P. Kochkin, R. S. Nisi and T. Gjesteland, Search for X-rays and relativistic electrons in laboratory discharge experiments, AGU fall meeting, San Francisco, USA, December 2014

URSI GASS

Lehtinen, N. G., U. S. Inan, and N. Østgaard, On the Spatial Scale of Streamers, Talk at the General Assembly and Scientific Symposium of International Union of Radio Science (URSI), August 17-23, 2014, Beijing, China

Østgaard, N., T. Gjesteland, B. E. Carlson, A. B. Collier, S. Cummer, G. Lu, and H. J. Christian, First simultaneous observations of optical lightning and terrestrial gamma flash from space, Invited talk at the General Assembly and Scientific Symposium of International Union of Radio Science (URSI), August 17-23, 2014, Beijing, China

TEA-IS Summer School

Aamodt, V., N. Østgaard, T. Gjesteland, B. E. Carlson, and A. Collier, Search for Terrestrial Electron Beams (TEB) in SAMPEX data, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Albrectsen, K., S. Coyle, N. Østgaard, T. Gjesteland, and A. Collier, Do all lightning produce TGFs?, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Gjesteland, T., N. Østgaard, R. S. Nisi, A. Collier, D. M. Smith, S. A. Cummer, and G. Lu, The second RHESSI TGF catalog, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Lehtinen, N. G., U. S. Inan, and N. Østgaard, On the spatial scale of streamers, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Marisaldi, M., AGILE observation of TGFs, Invited lecture at the TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Nisi, R. S., N. Østgaard, and T. Gjesteland, An altitude and distance correction to the initial fluence distribution of TGFs, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

Østgaard, N., TGF observations, TEA-IS Summer School, Collioure, France, 23-27 June, 2014 (Invited lecture)

Skeltved, A. B., N. Østgaard, T. Gjesteland, and B. Carlson, Modelling the runaway electron avalanche and the feedback mechanism with GEANT4, TEA-IS Summer School, Collioure, France, 23-27 June, 2014

ICAE

Montanyà, J., F. Fabró, O. van der Velde, D. Aranguren, E. Williams, C. Morales, H. D. Betz, T. Gjesteland, N. Østgaard, S. Soula, N. Pineda, and D. Smith, Lightning activity and radar for a TGF case in Colombia, 15th International Commission on Atmospheric Electricity conference (ICAE2014), Norman, Oklahoma, USA, 14-19 June, 2014

SuperDARN Workshop

Østgaard, N., Birkeland Centre for Space Science, SuperDARN workshop 25-30th May, UNIS Svalbard, 2014 (Invited talk)

XV Vulcano Workshop

Marisaldi, M., High-Energy Atmospheric Physics and Terrestrial Gamma-ray Flashes, Invited talk, 18-24 May 2014, Vulcano Island, Sicily, Italy

EGU

Gjesteland, T., N. Østgaard, R. S. Nisi, A. Collier, D. M. Smith, S. A. Cummer, and G. Lu, Twelve Years of RHESSI TGFs - The second RHESSI TGF catalog, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

Marisaldi, M., R. Rizzi, G. Levi, R. Malgesini, A. Villa, P. Mazza, C. Labanti, F. Fuschino, R. Campana, D. Bianchini, R. Brancaccio, A.  Montanari, and L. Patrizii, Experimental study of hard-X ray emission from laboratory sparks, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Marisaldi, M., F. Fuschino, M. Tavani, S. Dietrich, C. Price, A. Argan, C. Labanti, M. Galli, F. Longo, E. Del Monte, G. Barbiellini, A. Giuliani, A.  Bulgarelli, F. Gianotti, M. Trifoglio, A. Trois, C. Pittori, F. Verrecchia, and P. Giommi, On the highest photon energy of Terrestrial Gamma-ray Flashes, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Marisaldi, M., F. Fuschino, C. Pittori, F. Verrecchia, P. Giommi, M. Tavani, S. Dietrich, C. Price, A. Argan, C. Labanti, M. Galli, F. Longo, E. Del Monte, G. Barbiellini, A. Giuliani, A. Bulgarelli, F. Gianotti, M. Trifoglio, and A. Trois, The first AGILE low-energy (< 30 MeV) Terrestrial Gamma-ray Flashes catalog, EGU General Assembly 2014, Vienna, Austria, April 27-May 2, 2014

Nisi, R. S., N. Østgaard, and T. Gjesteland, An altitude and distance correction to the initial fluence distribution of TGFs, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

Østgaard, N., B. E. Carlson, Ø. Grøndahl, P. Kochkin, R. S. Nisi, and T. Gjesteland, Search for X-rays and relativistic electrons in laboratory discharge Experiments, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

Skeltved, A., N. Østgaard, B. E. Carlson, and T. Gjesteland, A study of the runaway relativistic electron avalanche and the feedback theory using GEANT4, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

Ursi, A., C. Guidorzi, M. Marisaldi, and F. Frontera, A search for Terrestrial Gamma-ray Flashes in the BeppoSAX Gamma-Ray Burst Monitor data archive, EGU General Assembly 2014, Vienna, Austria, April 27- May 2, 2014

OTHER MEETINGS / SEMINARS

Norske Fysikkstudenters Konferanse 2014: Gjesteland, T., Terrestrial Gamma-ray Flashes, Invited talk, Norske Fysikkstudenters Konferanse Bergen, 7-9 March, 2014

URSI National Radio Science Meeting: Kelley, N.A., D.M. Smith, G.S. Bowers, P. Buzbee, F. Martinez-Mckinney, J.R. Dwyer, E.S. Cramer, H. Rassoul, S.A. Cummer, G. Lu, A. Infanger, R.H. Holzworth, M.L. Hutchings, M.E. Splitt, S.M. Lazarus, T. Gjesteland, and N. Østgaard, Recent Results from ADELE and RHESSI, 8-10 January 2014 Boulder, Colorado, USA

2013

When and why are the auroras in the two hemispheres asymmetrical? / 2013

AGU Fall meeting

Foerster, M., I. Cnossen, S. Haaland, Differences of the Plasma Drift and Upper Thermospheric Wind Behaviour in the Northern and Southern Polar Regions due to the Geomagnetic Field Asymmetry, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Haaland, S., C. Anekallu, J. P. Reistad, L. Maes, P. Tenfjord, J. deKeyser, Characteristics of the flank magnetopause – contributions from the Cluster mission, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Haaland, S., F. J. Mulligan, R. Hibbins, M. Foerster, C. M. Hall, N. H. Kleinknecht and M. Tsutsumi, On the Electromagnetic Forcing of Atmospheric Neutral Winds, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Laundal, K. M., N. Østgaard, J. P. ReistadSolar wind dynamic pressure effect on global auroral intensity, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Østgaard, N., J.P. Reistad, P. Tenfjord and K. M. Laundal, What are the mechanisms that produce auroral asymmetries in the conjugate hemispheres?, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013 (Invited talk)

Reistad, J. P., N. Østgaard, K. M. Laundal, S. Haaland, and K. Oksavik, Is there any significant intensity asymmetry between the northern and southern auroral ovals associated with the x-component of the interplanetary magnetic field?, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Walsh, A. P., S. Haaland, C. Forsyth, A. M. Keesee, J. Kissinger, K. Li, A. Runov, J. Soucek, B. Walsh and S. Wing, Dawn-Dusk Asymmetries in the Terrestrial Magnetosphere-Ionosphere System, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013 (Invited talk)

23rd Cluster Workshop

Haaland, S., and J. W. GjerloevDawn-dusk asymmetries in magnetopause currents and the ring current, 23rd Cluster Workshop, 16-20 sept. 2013

Haaland, S., F. J. Mulligan, R. Hibbins, M. Foerster, C. Hall and N. Kleinknecht, On the electromagnetic forcing of the thermospheric neutral wind,  23rd Cluster Workshop, 16-20 sept. 2013

Reistad, J. P., S. Haaland, N. Østgaard, K. M. Laundal, P. Tenfjord and, K. Oksavik, Investigation of the role of IMF Bx on magnetopause characteristic past the terminator, 23rd Cluster Workshop, 16-20 sept. 2013

Tenfjord, P., N. Østgaard, J. P. Reistad, S. Haaland and K. M. Laundal, Inter-hemispheric currents in the ring current region as seen by the Cluster spacecraft, 23rd Cluster Workshop, 16-20 sept. 2013

Fysikermøtet

Østgaard, N., Scientific Programme of Birkeland Centre in Space Physics, Fysikermøtet 7-10 August, 2013

Reistad, J. P., N. Østgaard, K. M. Laundal, P. Tenfjord, K. Oksavik and S. Haaland, Intensity asymmetries between the northern and southern auroral ovals associated with the x-componenet of the Interplanetary Magnetic Field, Fysikermøtet 7-10 August, 2013

AOGS

Laundal, K. M., N. Østgaard and J. P. Reistad, Non-Conjugate Features in the Auroral Ovals in the two Hemispheres, Talk, AOGS 2013, Brisbane

GEM-CEDAR Workshop

Tenfjord, P. and  N. Østgaard, Energy Transfer and Flow in the Solar Wind-Magnetosphere-Ionosphere System: A New Coupling Function, GEM, Colorado,  2013

Reistad, J. P., N. Østgaard, K. M. Laundal and K. Oksavik, Simultaneous global imaging as a tracer of true conjugate regions, Talk, GEM, Colorado,  2013

Reistad, J. P., N. Østgaard, K. M. Laundal and K. Oksavik, How IMF Bx affects the two hemispheres differently, Poster, GEM, Colorado,  2013

EGU

Liemohn, M., N. Ganushkina, O. Amarieutei, I. Daglis, I. Dandouras, D. L. De Zeeuw, S. Dubyagin, Y. Ebihara, R. Ilie, R. Katus, M. Kubyshkina, S. Milan, S-I Ohtani, N. Østgaard, J. P. Reistad, F. Toffoletto and S. Zaharia, Defining and Resolving Current Systems in Geospace, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Reistad, J.P., N. Østgaard, K. M. Laundal and K. Oksavik, How IMF Bx affects the two polar hemispheres differently, Poster presentation, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Tenfjord, P. and N. Østgaard, Energy Transfer and Flow in the Solar Wind-Magnetosphere-Ionosphere System: A New Coupling Function, Poster presentation, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

OTHER MEETINGS/ SEMINARS

European Planetary Science Congress:  Østgaard, N., UV and X-ray imaging of aurora and other atmospheric phenomena, the European Planetary Science Congress 2013 at University College London, 08-13 Sept 2013

University of Leicester: Haaland, S., On the role of cold ion outflow for planetary mass balance, Lunch seminar at Leicester University UK, 29. August 2013

Workshop 2013: Østgaard, N., Terrestrial Gamma-ray Flashes - the most energetic photon phenomenon in our atmosphere, Norwegian PhD Network on Nanotechnology for Microsystems, 17. June 2013

Christie Conference 2013: Østgaard, N., Jakten på jordiske gammaglimt, the Christie Conference, 24. Apr 2013

Chapman Conference: Haaland, S., On the supply of cold plasma to the magnetotail, 15. March 2013

Norwegian University of Science and Technology (NTNU): Østgaard, N., Terrestrial Gamma-ray Flashes - the most energetic photon phenomenon in our atmosphere, Seminar at NTNU, 22. March 2013

Norges Tekniske Vitenskapsakademi: Østgaard, N., Nye fenomener i romforskning - gammaglimt, blå jetter og røde ånder, Norges Tekniske Vitenskapsakademi, 19. Feb 2013 (Invited talk)

Geoforschungszentrum, Potsdam: Haaland, S., Cold ion ouflow from the polar ionosphere, Geoforschungszentrum Potsdam Seminar, 17. Feb 2013

University of Oslo: Østgaard, N., Terrestrial gamma ray flashes, the most energetic photon phenomenon in our atmosphere, Institute of Theoretical Astrophysics, University of Oslo, 20. Jan 2013 (Invited talk)

MPE-JUB Symposium on Auroral Physics and Plasma Boundary Analysis: Reistad, J. P., S. Haaland, N. Østgaard, K. M. Laundal, P. Tenfjord and K. Oksavik, Investigation of a possible IMF Bx influence on magnetopause characteristics, presentation at 'MPE-JUB, Garching, Germany

How do we get beyond the large-scale static picture of the ionosphere? / 2013

AGU Fall Meeting

Carlson, H. C., J. I. Moen, K. Oksavik, A. L. Aruliah, and A. Skjæveland, Doubling of Ion Up-flow for Ion Outflow Calculations, Abstract SM51D-08, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Gjerloev, J. W., R. A. Hoffman, Empirical evidence for two nightside current wedges during substorms, Talk, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Gjerloev, J. W., B. K. Humberset, S. A. González, C. G. M. Brum, S. Ohtani, and M. Sulzer, Temporal behavior of the ionospheric electron density over the Arecibo radar, Talk, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Gjerloev, J. W., S. Ohtani, T. Motoba, N. Shah, M. Friel, P. Martin, M. Boorstin, M. Mulheisen, Conjugacy and non-conjugacy of the auroral electrojet system, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Humberset, B. K., J. Gjerloev, R. Michell, M. Samara, I. R. Mann, Characteristics of Pulsating Aurora, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Oksavik, K., C. van der Meeren, J. I. Moen, and M. Lester, On Transient Phenomena in the Cusp Ionosphere, Abstract SM52B-04, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013 (Invited talk)

Reistad, J. P., N. Østgaard, K. M. Laundal, S. Haaland, and K. Oksavik, Is there any significant intensity asymmetry between the northern and southern auroral ovals associated with the x-component of the interplanetary magnetic field?, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

23rd Cluster Workshop

Reistad, J. P., S. Haaland, N. Østgaard, K. M. Laundal, P. Tenfjord, K. Oksavik, Investigation of the role of IMF Bx on magnetopause characteristic past the terminator, 23rd Cluster Workshop, 16-20 Sept. 2013

IAGA

Gjerloev, J. W., SuperMAG: Global observations of Earth-Space Coupling, IAGA, Yucatan, Mexico, 2013 (Invited talk)

Gjerloev, J. W. and R. A. Hoffman, The three dimensional current system during substorms, IAGA, Yucatan, Mexico, 2013

SuperDARN Workshop

Lorentzen, D., L. Baddeley, J. Moen, Clausen and Saito, Multi-instrument observations during the ICI-3 sounding rocket campaign, 2013 SuperDARN Workshop, Moose Jaw, Canada, May 26-31, 2013

Oksavik, K. and C. van der Meeren, J. I. Moen, L. J. Baddeley, D. A. Lorentzen, M. Lester, Space weather effects on GNSS navigation systems in the polar cap, 2013 SuperDARN Workshop, Moose Jaw, Canada, May 26-31, 2013

IMAGE

Gjerloev, J. W., Why the Greenland chain is critical for SuperMAG and for our understanding of how the Earth interacts with near space, IMAGE meeting, Copenhagen, Denmark, May 2013 (Invited talk)

EGU

Gjerloev, J. W. and R. A. Hoffman, The three dimensional current system during substorms, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Gjerloev, J. W. and S. Haaland, On the role of the magnetopause for ring current closure, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Glesnes Ødegaard, L. -K., K. Oksavik, F. Søraas, H. Nesse Tyssøy, Recalibration of the NOAA/POES MEPED instrument using a statistical approach, Vol. 15, EGU2013-3172, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Humberset, B. K., J. Gjerloev, M. Samara, R. Michell, I. R. Mann, M. R. Lessard, Untangling the Space-Time Ambiguity of Pulsating Aurora, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

van der Meeren, C., K. Oksavik, J. Moen, V. Romano, A multi-instrument study of high-latitude ionospheric irregularities and their effects on GPS ionospheric scintillation, Vol. 15, EGU2013-3602, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Oksavik, K., C. van der Meeren, J. I. Moen and M. Lester, Ionospheric irregularities and effects on GNSS navigation systems in the polar cap, Vol. 15, EGU2013-3197, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

OTHER MEETINGS / SEMINARS

10th Anniversary of Science and Technology Agreement between Japan and Norway: van der Meeren, C. and K. Oksavik, Effects on GPS scintillation from a tongue of ionization in the nightside polar ionosphere, Seminar and Workshop on the 10th Anniversary of Science and Technology Agreement between Japan and Norway, Tromsø, Norway, Oct. 21-22, 2013

Symposium 2013 i Norsk Geofysisk Forening: Humberset, B. K. and J. Gjerloev, Det dynamiske nordlyset: Kva fortel det om jorda sin vekselverknad med det nære verdsrommet?, Symposium i Norsk Geofysisk Forening, 17-20 Sept. 2013

Optics Workshop: Lorentzen, D., L. Baddeley, J. Moen, Clausen, F. Sigernes and Saito, A reversed flow event studied by optics and in-situ measurements, Optics workshop, Tromsø, August 2013

Arecibo, Puerto Rico: Gjerloev, J. W., B. Humberset, S. Ohtani, B. Anderson, T. Iijima, J. Slavin, G. Le, R.Michell, M. Samara, I. Mann, Spatiotemporal behavior of the magnetosphere-ionosphere system, Arecibo, Puerto Rico, July 2013 (Invited talk)

ESA Advisory Panel: Gjerloev, J. W., SuperMAG and AMPERE, ESA advisory panel, ISSI, Bern, Switzerland, April 2013 (Invited talk)

What are the effects of particle precipitation on the atmospheric system? / 2013

AGU Fall Meeting

Haaland, S., F. J. Mulligan, R. Hibbins, M. Foerster, C. M. Hall, N. H. Kleinknecht and M. Tsutsumi, On the Electromagnetic Forcing of Atmospheric Neutral Winds, Poster presentation, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Kleinknecht, N. H., P. J. Espy, R. Hibbins, Y. J. Orsolini, Planetary wave 1 and 2 activity in MLT during stratospheric warmings from chain of SuperDARN radars and WACCM, Poster presentation SA23A-2044, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

de Wit, R., R. Hibbins, P. J. Espy, Y. J. Orsolini and V. Limpasuvan, Gravity wave forcing of the MLT region during the January 2013 stratospheric sudden warming: A vertical view of the atmosphere at 63°N, Poster presentation SA23A-2031, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

IAGA

Daae, M, P. J. Espy, H. Nesse Tyssøy, Correlation between mesospheric ozone and Energetic Particle Precipitation over Troll, Antarctica in the years 2008 and 2009, 26-31 August, Yucatan, Mexico, 2013

Nesse Tyssøy, H., J. Stadsnes and F. Søraas, Variations in cutoff latitude and implication for the distribution of particle deposition during solar proton events, 26-31 August, Yucatan, Mexico, 2013

Sandanger, M. I., H. Nesse Tyssøy, J. Stadsnes, L.-K. Ødegaard, F. Søraas, and K. Oksavik, Determination of NOAA MEPED correction factors - evaluation of different methods, 26-31 August, Yucatan, Mexico, 2013

Fysikermøtet

Dyrland, M., Characteristics of atmospheric gravity waves observed in OH airglow images from Svalbard, Fysikermøtet 7-10 August, 2013

Glesnes Ødegaard, L. -K., Recalibration of the MEPED Proton Detectors Onboard NOAA POES Satellites, Fysikermøtet 7-10 August, 2013

Nesse Tyssøy, H., J. Stadsnes and F. Søraas, Strong day-night asymmetry in cutoff latitude and implication for the  distribution of particle energy deposition during solar proton events, Fysikermøtet 7-10 August, 2013

EGU

Espy, P. J., H. Demissie, R. Hibbins, R. de Wit, Swenson, Vargas, Baumgarten, A multiple instrument study to differentiate primary versus secondary gravity-wave generation in the mesosphere,  Oral presentation, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Glesnes Ødegaard, L. -K., K. Oksavik, F. Søraas and H. Nesse Tyssøy, Recalibration of the NOAA/POES MEPED instrument using a statistical approach, Vol. 15, EGU2013-3172, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Hibbins, R., R. de Wit, P. J. Espy, Kolnes, Stein, Swenson, Vargas, Comparison of gravity wave momentum flux observed by meteor radar and airglow imager, Poster presentation, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Nesse Tyssøy, H., J. Stadsnes, F. Søraas and M. Sørbø, Variations in cutoff latitude during the January 2012 solar proton event and implication for the distribution of particle energy deposition, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

de Wit (PhD), R., R. Hibbins and P. J. Espy, Gravity wave momentum flux variability in the high latitude northern hemisphere winter mesosphere/lower thermosphere, Poster presentation, EGU Vienna, 7-11 April, 2013

OTHER MEETINGS / SEMINARS

Mechanics of the Magnetospheric System and Effects on the Polar Region 2013: Stadsnes, J., H. Nesse Tyssøy, F. Søraas, and M. I. Sandanger, Variation in cutoff latitudes during solar proton events and  implication for the distribution of particle energy deposition in the upper atmosphere, Torres del Paine, Patagonia, Chile, 27/10-1/11 2013

10th Anniversary of Science and Technology Agreement between Japan and Norway: Nesse Tyssøy, H., J. Stadsnes and F. Søraas, Particle energy deposition during solar proton events, Tromsø, Norway, October 21-22, 2013

40th Annual European Meeting on Atmospheric Studies by Optical Methods: Holmen, S. E., Long-term trends and the effect of solar cycle variations on mesospheric temperatures over Longyearbyen, Svalbard (78°N), 29-30 August 2013, Tromsø, Norway

ARISE (Atmospheric Dynamics Research InfraStructure in Europe)  Training School: Holmen, S. E.Mesospheric temperatures derived from three decades of hydroxyl airglow measurements from Longyearbyen, Svalbard (78°N), 2 - 5 June 2013, Observatoire de Haute Provence (OHP), France

What is the role of energetic particles from thunderstorms in geospace? / 2013

EGU Meeting

Collier, A., T. Gjesteland and N. Østgaard, Intensity of Lightning Associated with TGFs, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013  

Gjesteland, T., N. Østgaard, M. Marisaldi, F. Fuschino and E. Arnona, S. Laviola, Unusual bright TGF from low cloud tops over the Mediterranean sea, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013  

Hansen, R. S., N. Østgaard, B. Carlson and T. Gjesteland, Modeling of the Bremsstrahlung process in connection to Terrestrial gamma-ray flashes, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013          

Østgaard, N., T. Gjesteland, B. E. Carlson, A. B. Collier, S. Cummer, G. Lu and H. J. Christian, First simultaneous observations of optical lightning and terrestrial gamma flash from space, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

Skeltved, A. B., N. Østgaard, B. Carlson and T. Gjesteland, A study of the relativistic runaway electron avalanche and the feedback theories to explain terrestrial gammaray production, EGU General Assembly 2013, Vienna, Austria, April 07-12, 2013

AGU Fall Meeting

Carlson, B. E., Z. Scherrer, K. Weber, K. LeCaptain, N. Østgaard, Ø. Grøndahl, P. Kochkin, Spatial Correlations and Distributions in Energetic Electron Production by Meter­Scale Sparks, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Kelley, N.A., D.M. Smith, G.S. Bowers, P. Buzbee, F. Martinez-Mckinney, J.R. Dwyer, E.S. Cramer, H. Rassoul, S.A. Cummer, G. Lu, A. Infanger, R.H. Holzworth, M.L. Hutchings, M.E. Splitt, S.M. Lazarus, T. Gjesteland and N. Østgaard, Recent Results from ADELE and RHESSI, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Gjesteland, T., N. Østgaard, M. Marisaldi, F. Fuschino, E. Arnona, S. Laviola and A. Collier, Terrestrial Gamma ray Flashes observed over low cloud tops, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Østgaard, N., J.P. Reistad, P. Tenfjord and K. M. Laundal, What are the mechanisms that produce auroral asymmetries in the conjugate hemispheres?, Invited talk, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

Smith, D. M., P. Buzbee, A. Infanger, J. R. Dwyer, S. A. Cummer, G. Lu, R. A. Holzworth, M. L. Hutchins, M. Splitt, S. Lazarus, T. Gjesteland and N. Østgaard, Results from the third RHESSI catalog of Terrestrial Gamma-ray Flashes, AGU Fall meeting 9-13 Dec, San Francisco, USA, 2013

OTHER MEETINGS / SEMINARS

NTNU: Østgaard, N., Terrestrial Gamma-ray Flashes - the most energetic photon phenomenon in our atmosphere, March 22, 2013

Norges Tekniske Vitenskapsakademi: Østgaard, N., Nye fenomener i romforskning - gammaglimt, blå jetter og røde ånder, 19. February  2013 (Invited talk)

University of Oslo: Østgaard, N., Terrestrial gamma ray flashes, the most energetic photon phenomenon in our atmosphere, Institute of Theoretical Astrophysics, 20. January 2013 (Invited talk)

Thunderstorms and Elementary Particle Acceleration (TEPA): Gjesteland, T., N. Østgaard, M. Marisaldi, F. Fuschino, E. Arnona and S. Laviola, A. Collier, Terrestrial Gamma ray Flashes observed over low cloud tops, Nor-Amberd, Armenia, Sept 9-13, 2013

European Planetary Science Congress: Østgaard, N., UV and X-ray imaging of aurora and other atmospheric phenomena, 2013 at University College London, 08-13 Sept 2013

Fyskerimøtet: Gjesteland, T., Terrestrial Gamma ray Flashes, dark lightning and the dark side of dark lightning, University of Bergen, Norway,  7-10 August, 2013

Fysikermøtet: Østgaard, N., Scientific Programme of Birkeland Centre in Space Physics, University of Bergen, Norway, 7-10 August, 2013

Christie Conference: Østgaard, N., Jakten på jordiske gammaglimt, University of Bergen, April 24, 2013