Publication / Talks and Posters

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

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, SuperDARN‐derived 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

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)

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)

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

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

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 14^th 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, 14^th 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

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, 7^th 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, 7^th 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, 100^th 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

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

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)

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

American Meteorological Society

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

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 Chapman Conference on Magnetospheric Dynamics

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)

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

SPARC Data Assimilation workshop

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

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

ESA Living Planet Symposium

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

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)

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)

Frontiers of Nonlinear Physics

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

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

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

SCAR Open Science Conference

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

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

Beacon Satellite Symposium

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

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

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

EISCAT Symposium and 42AM

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)

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

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. Tenfjord, J. 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

Chapman Conference on Magnetospheric Dynamics

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

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

Internatio nal 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

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)

AM S 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

Atmospheric Limb Workshop

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

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

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

CEDAR Workshop in Seattle

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)

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

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

11th European Space Weather Week

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

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

3rd Swarm Science Meeting

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

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

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

What are the effects of particle precipitation on the atmospheric system? / 2014

40th COSPAR Scientific Assembly

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

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

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

5th HEPPA/SOLARIS 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

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

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

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

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. Reistad, Solar 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. Gjerloev, Dawn-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

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

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

E uropean 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

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)

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

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

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)

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

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

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