Scientific Publications in Space Physics

Below is a list of publications from current and former members of the Space Physics group at the University of Bergen since 2013. It also includes the Birkeland Centre for Space Science (2013-2023).

2026
  1. Maguire, S J, A G Wood, D R Themens, E M Henley, S E Milan, Y Soobiah, K Oksavik, W J Miloch, J C Coxon, and M G Johnsen (2026), The Evolution of a Polar Cap Patch into a Blob in the Nightside Ionosphere: Direct Observations of Multiple Blob Formation Mechanisms acting Simultaneously on the Same Plasma, J Geophys Res Space Physics, 131, doi.org/10.1029/2025JA034402 
2025
  1. Beedle, J M H, D J Gershman, J R Shuster, V M Uritsky, T D Phan, C Norgren, J L Burch, K J Genestreti, S V Heuer, B L Giles, R B Torbert (2025), The Diffusion Interaction Region of dayside magnetic reconnection, J Geophys Res Space Physics, 130, doi.org/10.1029/2024JA033680
  2. Billett, D D, R A Rohel, C J Martin, K A McWilliams, and K M Laundal (2025), The fast borealis ionosphere: High time-resolution mapping of polar ionospheric flows with SuperDARN, Earth and Space Science, 12, doi.org/10.1029/2024EA003876
  3. Brindley, N, M Madhanakumar, A Spicher, D Whiter, K Oksavik, and Y Ogawa (2025), Intense Dynamic Optical Auroral Sub-Structure as a Proxy for Ionospheric Density Irregularities, J Geophys Res Space Physics, 130, doi.org/10.1029/2025JA033999
  4. Buschmann, L M, K Asamura, L B N Clausen, Y Jin, H Kojima, A Kumamoto, S Kurita, Y Ogawa, K Oksavik, Y Saito, A Spicher, S Yokota, and W J Miloch (2025), Plasma structuring within an expanded polar cap and cusp studied with the SS-520-3 sounding rocket, Earth Planets Space, 77, doi.org/10.1186/s40623-025-02189-7
  5. Caballero-García, …, N Østgaard, et al. (2025), X-ray and gamma-ray timing of GRB 180720B, GRB 181222B, GRB 211211A, and GRB 220910A observed with Fermi and ASIM, Monthly Notices of the Royal Astronomical Society: Letters, 538, doi.org/10.1093/mnrasl/slaf016
  6. Camino-Faillace, P A, F J Gordillo-Vázquez, F J Pérez-Invernón, J Montanyà, J Młynarczyk, T Neubert, O Chanrion, and N Østgaard (2025), Optical and radio characterization of continuing current lightning with ASIM, GLM and ELF sensors, Atmospheric Research, 330, doi.org/10.1016/j.atmosres.2025.108578
  7. Carter, J A, S Sembay, S Nitti, M-T Walach, S Milan, Y Soobiah, K Oksavik, C Forsyth, and M G G T Taylor (2025), A Holistic Approach to the SMILE Mission and SMILE Public Engagement, Space Sci Rev, 221, doi.org/10.1007/s11214-025-01175-5
  8. Eriksen, N K, Y Nishimura, M Zettergren, D A Lorentzen, K Oksavik, L J Baddeley, K Hosokawa, K Shiokawa, L Lamarche, M E Redden, and A Bhatt (2025), Evolution and decay of a stable and a dynamic airglow patch, J Atm Sol-Terr Phys, 275, doi.org/10.1016/j.jastp.2025.106593
  9. Gasparini, S, L Kepko, K A Sorathia, A Michael, V G Merkin, K M Laundal, & C Norgren (2025), A new approach to data-model comparisons: Using MAGE and Lompe to unravel ionosphere-magnetosphere electrodynamics, J Geophys Res Space Physics, 130, doi.org/10.1029/2025JA034033
  10. Gjerde, V, M Marisaldi, K Oksavik, K Olafsson, H Spångberg, and B Holst (2025), Mandatory retrieval test to incentivize retrieval practice of physics principles, Phys Rev Phys Ed Res, 21, doi.org/10.1103/PhysRevPhysEducRes.21.010119
  11. Gómez-Míguez, M M, D Martínez-Gómez, E Khomenko, B Popescu Braileanu, M Collados, and P S Cally, Fast magneto-acoustic waves in the solar chromosphere: Comparison of single-fluid and two-fluid approximations, Astronomy & Astrophysics, 701, doi.org/10.1051/0004-6361/202554637
  12. Graham, D B, G Cozzani, Y V Khotyaintsev, V D Wilder, J C Holmes, T K M Nakamura, J Büchner, K Dokgo, L Richard, K Steinvall, C Norgren, L-J Chen, H Ji, J F Drake, J E Stawarz and S. Eriksson (2025), The Role of Kinetic Instabilities and Waves in Collisionless Magnetic Reconnection, Space Sci Rev, 221, doi.org/10.1007/s11214-024-01133-7
  13. Grandin, M, V E Ledvina, S Musset, N Partamies, N A Frissell, E Bruus, K A Nicoll, H Mkrtchyan, B Gallardo-Lacourt, L Alfonsi, M O Jonassen, D Whiter, K Herlingshaw, F Enengl, E Doornbos, J Jia, B Kosar, L P Evans, V Haberle, K M Laundal, and M Barthelemy (2025), Citizen Science in Space and Atmospheric Sciences: Opportunities and Challenges, Surv Geophys, doi.org/10.1007/s10712-025-09888-6
  14. Harvey, V L, D Aggarwal, E Becker, M Bittner, B Funke, L Goncharenko, J Jia, R Lieberman, H-L Liu, V Maliniemi, A Marchaudon, H Nesse, N Partamies, N Pedatella, C Schmidt, G Shi, C C Stephan, G Stober, W van Caspel, S Wüst, and Y Yamazaki (2025), Signatures of Polar Vortex Weakening in the MLTI: A Review, Surv Geophys, doi.org/10.1007/s10712-025-09899-3
  15. Hatch, S M, I Virtanen, K M Laundal, H W Tesfaw, J Vierinen, D R Huyghebaert, A Spicher, and J C Hessen (2025), Toolkit for incoherent scatter radar experiment design and applications to EISCAT_3D, Ann Geophys, 43, 633–649, doi.org/10.5194/angeo-43-633-2025
  16. Huyghebaert, D, B Gustavsson, J Vierinen, A Kvammen, M Zettergren, J Swoboda, I Virtanen, S M Hatch, and K M Laundal (2025), Simulation of interferometric imaging with EISCAT_3D for fine-scale in-beam incoherent scatter spectra measurements, Ann Geophys, 43, doi.org/10.5194/angeo-43-99-2025
  17. Jerčić, V, B Popescu Braileanu, and R Keppens (2025), Forming Prominences Accounting for Partial Ionization Effects, The Astrophysical Journal, 986, doi.org/10.3847/1538-4357/add6aa
  18. Jeseněk, A, A Luque, and N Lehtinen (2025), Partial ionisation cross sections for the binary-encounter Bethe model, Plasma Sources Sci Technol, 34, doi.org/10.1088/1361-6595/adfc09
  19. Juusola, L, I Virtanen, S M Hatch, H Vanhamäki, M Grandin, N Partamies, U Ganse, I Honkonen, A Workayehu, A Kero, and Minna Palmroth (2025), An empirical model of high-latitude ionospheric conductances based on EISCAT observations, Ann Geophys, 43, 755–781, doi.org/10.5194/angeo-43-755-2025
  20. Köhn, C, T Neubert, M Füllekrug, U Ebert, S Nijdam, O Chanrion, N Østgaard, M Marisaldi, … , C Maiorana, et al. (2025), Recent Results on Science and Innovation Related to Electrical Processes of Thunderstorms, Surv Geophys, doi.org/10.1007/s10712-025-09891-x
  21. Lang, T J, N Østgaard, M Marisaldi, ... , A Mezentsev, ... , D Sarria, et al. (2025), Hunting for Gamma Rays above Thunderstorms: The ALOFT Campaign, Bull Amer Meteor Soc, 106, E1649–E1669, doi.org/10.1175/BAMS-D-24-0060.1
  22. Laundal, K M, A Marchaudon, A Maute, S M Hatch, F Enengl, T Matsuo, M Decotte, M Madelaire, V G Merkin, A Sciola, V Haberle, and A S Skeidsvoll (2025), Next-Generation Data Assimilation Methods for Polar Ionospheric Electrodynamics, Surv Geophys,  doi.org/10.1007/s10712-025-09918-3
  23. Laundal, K M, A S Skeidsvoll, B Popescu Braileanu, S M Hatch, N Olsen, and H Vanhamäki (2025), Global inductive magnetosphere-ionosphere- thermosphere coupling, Ann Geophys, 43, 803–833, doi.org/10.5194/angeo-43-803-2025
  24. Laurenza, M, K Shiokawa, M G Molina, … , H Nesse, et al. (2025), COURSE: Cross-scale cOUpling pRocesses in the Solar–tErrestrial system—SCOSTEP’s new program for 2026–2030, Earth Planets Space, 77, doi.org/10.1186/s40623-025-02283-w
  25. Li, D, A Luque, E C Bruning, T Neubert, O Chanrion, Y Zhu,  F J Gordillo-Vázquez, N Østgaard (2025), Resolving inhomogeneous cloud microphysics through cloud-top observations of blue corona discharges, Geophys Res Lett, 52, doi.org/10.1029/2025GL116520
  26. Liu, Y-H, M Hesse, K Genestreti, R Nakamura, J L Burch, P A Cassak, N Bessho, J P Eastwood, T Phan, M Swisdak, S Toledo-Redondo, M Hoshino, C Norgren, H Ji, and  T K M Nakamura (2025), Ohm’s Law, the Reconnection Rate, and Energy Conversion in Collisionless Magnetic Reconnection, Space Sci Rev, 221, doi.org/10.1007/s11214-025-01142-0
  27. Liu, F, T Neubert, O Chanrion, N Liu, B Zhu, G Lu, F Lyu, Z Qin, M Luo, D Li, K Dimitriadou, J Lei, N Østgaard, V Reglero, and Christoph Köhn (2025), Ionospheric elves powered by corona discharges in overshooting thunderclouds, Geophys Res Lett, 52, doi.org/10.1029/2024GL114090
  28. Lu, S, Z-Y Xing, Q-H Zhang, Y-L Zhang, H-G Yang, K Oksavik, L R Lyons, K Shiokawa, Y Wang, Y-Z Ma, X-Y Wang, T Xu, S-J Sun, and D Zhang (2025), Ionospheric scintillation and geomagnetic disturbance caused by space hurricanes, Space Weather, 23, doi.org/10.1029/2025SW004435
  29. Luque, A, D Li, I Bjørge-Engeland, N G Lehtinen, M Marisaldi, and N Østgaard (2025), Cumulative effects of lightning electromagnetic pulses on the lower ionosphere, J. Geophys. Res. Atmospheres, 130, doi.org/10.1029/2024JD042121
  30. Madhanakumar, M, A Spicher, D R Huyghebaert, A Kashcheyev, L Spogli, K Oksavik, M F Ivarsen, J Vierinen, G C Hussey (2025), Co-ordinated observations of multi-scale irregularities using ICEBEAR and GNSS during the May 2024 Superstorm, Space Weather, 23, doi.org/10.1029/2025SW004411
  31. Norgren, C, L-J Chen, D B Graham, N Bessho, J Egedal, L Richard, Yu V Khotyaintsev, J Shuster, S Toledo-Redondo, B Lavraud, H Hasegawa, J P Eastwood, M Hesse, Y-H Liu, J C Holmes, and M Argall (2025), Electron and Ion Dynamics in Reconnection Diffusion Regions, Space Sci Rev, 221, doi.org/10.1007/s11214-025-01197-z
  32. Norgren, C, M Hesse, T Phan, Y V Khotyaintsev, D B Graham, and N K Kwagala (2025), Phase-space contributions to pressure and stress tensors in the electron diffusion region of magnetic reconnection, Phys Plasmas, 32, doi.org/10.1063/5.0246402
  33. Pan, Y, W Xu, X Gu, B Ni, J M Pettit, H Nesse, J Feng, S Wang, W Cheng, H Xu, W Ma, D Zhai, H Shi, and R A Marshall (2025), WACCM simulation of polar ozone response to relativistic electron precipitation, Geophys Res Lett, 52, doi.org/10.1029/2024GL114012
  34. Pérez-Invernón, F J, J-F Ripoll, F J Gordillo-Vázquez, A Luque, P A Camino-Faillace, D Li, T Neubert, O Chanrion, and N Østgaard (2025), A comprehensive analysis of optical emissions, production of NOx, HOx, and other chemical species by lightning, J Geophys Res Atmospheres, 130, doi.org/10.1029/2025JD043972
  35. Petrinec, S M, C A Kletzing, D M Miles, S A Fuselier, I W Christopher, D Crawford, S Omar, S R Bounds, J W Bonnell, J S Halekas, G B Hospodarsky, R J Strangeway, Y Lin, K J Trattner, J W Labelle, M Øieroset, O Santolik, J Moen, K Oksavik, T K Yeoman, I H Cairns, and D Mark (2025), The Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) Mission Design, Space Sci Rev, 221, doi.org/10.1007/s11214-025-01185-3
  36. Pfau-Kempf, Y, K Papadakis, M Alho, M Battarbee, G Cozzani, L Pänkäläinen, U Ganse, F Kebede, J Suni, K Horaites, M Grandin, and M Palmroth (2025), Global evolution of flux transfer events along the magnetopause from the dayside to the far tail, Ann Geophys, 43, 469-488, doi.org/10.5194/angeo-43-469-2025
  37. Popescu Braileanu, B, and R Keppens (2025), Coronal rain formation in a two-fluid approximation, Astronomy & Astrophysics, 698,  doi.org/10.1051/0004-6361/202554712
  38. Reeves, … , H Nesse, et al. (2025), Multi-platform observations of the radial penetration of substorm injected electrons and subsequent slot-filling event, J Geophys Res Space Physics, 130, doi.org/10.1029/2025JA034329
  39. Sarria, D, N Østgaard, I Bjørge-Engeland, A Mezentsev, M Marisaldi, N Lehtinen, M Stanley, T Lang, C Schultz, A Fuglestad (2025), Spectral analysis of flickering gamma-ray flashes observed during the ALOFT 2023 campaign, J Geophys Res Atmospheres, 130, doi.org/10.1029/2025JD044425
  40. Sembay, S, A Cheney, R Hampson, … , G Genov, …, K Oksavik, N Østgaard, …, B H Qureshi, …, M E Rostad, …, K Ullaland, …, and S Yang (2025), The Soft X-ray Imager (SXI) on the SMILE Mission,  Space Sci Rev, 221, doi.org/10.1007/s11214-025-01241-y
  41. Sivadas N, N K Kwagala, N Sachdeva, and Q Al Shidi (2025), Editorial: Uncertainty quantification and model validation in space weather modeling. Front Astron Space Sci,12:1633634, doi.org/10.3389/fspas.2025.1633634
  42. Tesfaw, H W, Vanhamäki, H, Virtanen, I, Hatch, S, Zettergren, M, and Laundal, K (2025), Modeling regional electric field using EISCAT3D observations, J Geophys Res Space Physics, 130, doi.org/10.1029/2024JA033625
  43. van Hazendonk, C M, L Baddeley, K M Laundal, and D A Lorentzen (2025), A statistical study of optical signatures of high-latitude Pc5 waves, J Atm Sol-Terr Phys, 274, doi.org/10.1016/j.jastp.2025.106585
  44. Walker, S, S Hatch, K Laundal, J Reistad, A Ohma, and C M Jackman (2025), Predictors of substorm onset conjugate displacement, J Geophys Res Space Physics, 130, doi.org/10.1029/2024JA033408
  45. Xiu, Z-F, Y-Z Ma, Q-H Zhang, Z-Y Xing, L Lyons, K Oksavik, Y-L Zhang, M Hairston, Y Wang, D Zhang, and S Lu (2025), How do Space Hurricanes Disturb the Polar Thermosphere: A Statistical Survey, Geophys Res Lett, 52, doi.org/10.1029/2025GL115160
  46. Xu, W, H Xu, X Gu, B Ni, J Feng, J Pettit, H Nesse, W K Tobiska, W Cheng, W Ma, Y Pan, J Bortnik (2025), Correlation between radiation enhancements at aviation altitudes and energetic precipitating electrons, Space Weather, 23, doi.org/10.1029/2024SW004278
  47. Zhang, D, J Wang, K Oksavik, Q-H Zhang, Z-Y Xing, X-Y Wang, L R Lyons, J-J Zhang, H-G Yang, Y Wang, Y-Z Ma, B-L Zhao, S Lu, Z-F Xiu, J-C Zhao, and Y-J Sun (2025), Multi-Instrument Observations of the Relationships between Polar Cap Patches and Arcs for Changing IMF Bz Orientation, J Geophys Res Space Physics, 130, doi.org/10.1029/2025JA034186
  48. Zhang, D, Q-H Zhang, K Oksavik, Z-Y Xing, L R Lyons, H-G Yang, T Xu, M Hairston, X-Y Wang, Y-Z Ma, G-J Li, Y Wang, S Lu, and J Wang (2025), A Statistical Survey of Polar Cap Cold and Hot Patches in the Southern Hemisphere Using a DMSP Satellite, Earth Planet Phys, 9, doi.org/10.26464/epp2025044
  49. Zhao, L-X, Q-H Zhang, X-A Yue, J-H He, Y Wang, Z-Y Xing, X Zhou, Y-Z Ma, P T Jayachandran, K Oksavik, L Lyons, T Xu, and S-J Sun (2025), A Regional 3-D Data Assimilation Model for the Ionospheric Electron Density at Middle-to-High Latitudes in the Northern Hemisphere, Space Weather, 23, doi.org/10.1029/2025SW004340
  50. Zhao, B, J Zhang, Q Zhang, W Wang, Z Xing, L R Lyons, Y Nishimura, K Oksavik, X Wang, H Li, Y Ma, Y Wang, D Zhang, C Wang, X Deng, A Lan, J Yan, J M Ruohoniemi, N Nishitani, S G Shepherd, T Xu, and S Sun (2025), Simultaneous Observation of Duskside and Dawnside Subauroral Polarization Streams During an Intense Magnetic Storm, Geophys Res Lett, 52, doi.org/10.1029/2024GL114160 
2024
  1. Bjørge-Engeland, I, Østgaard, N, Marisaldi, M, Luque, A, Mezentsev, A, Lehtinen, N, Chanrion, O, Fuglestad, A N, Neubert T, and Gordillo-Vazquez, F J (2024), High peak current lightning and the production of Elves, J. Geophys. Res. Atmospheres, 129, doi.org/10.1029/2023JD039849
  2. Bjørge-Engeland, I, N Østgaard,  D Sarria,  M Marisaldi,  A Mezentsev,  A Fuglestad,  N Lehtinen,  J E Grove,  D Shy,  T Lang,  M Quick,  H Christian,  C Schultz,  R Blakeslee,  I Adams,  R Kroodsma,  G Heymsfield,  K Ullaland,  S Yang,  B Hasan Qureshi,  J Søndergaard, B Husa,  et al. (2024), Evidence of a new population of weak Terrestrial Gamma-Ray flashes observed from aircraft altitude, Geophys. Res. Lett., 51, doi.org/10.1029/2024GL110395
  3. Carter, J A, M Dunlop, C Forsyth, K Oksavik, et al. (2024), Ground-based and additional science support for SMILE, Earth and Planetary Physics, doi.org/10.26464/epp2023055
  4. Decotte, M, Laundal, K M, Hatch, S M, & Reistad, J P (2024). Occurrence probability of magnetic field disturbances measured with Swarm: Mapping the dynamic magnetosphere-ionosphere coupling. Journal of Geophysical Research: Space Physics, 129, e2023JA032191, doi.org/10.1029/2023JA032191
  5. Enengl, F, L Spogli, D Kotova, Y Jin, K Oksavik, N Partamies, and W J Miloch (2024), Investigation of ionospheric small-scale plasma structures associated with particle precipitation, Space Weather, doi.org/10.1029/2023SW003605
  6. Elhawary, R, Laundal, K M, Reistad, J P, & Madelaire, M (2024), How do substorms influence hemispheric asymmetries in equivalent currents?, J. Geophys. Res.: Space Physics, 129, e2024JA032507, doi.org/10.1029/2024JA032507
  7. Frøystein, I, A Spicher, B Gustavsson, K Oksavik, and M G Johnsen (2024), On the Identification of the Dayside Auroral Region Using Incoherent Scatter Radar, J. Geophys. Res. Space Physics, 129, doi.org/10.1029/2024JA033361
  8. Funke, B, Dudok de Wit, T, Ermolli, I, Haberreiter, M, Kinnison, D, Marsh, D, Nesse, H, Seppälä, A, Sinnhuber, M, and Usoskin, I (2024), Towards the definition of a solar forcing dataset for CMIP7, Geosci. Model Dev., 17, 1217–1227, doi.org/10.5194/gmd-17-1217-2024
  9. Gasparini, S, Kepko, L, & Laundal, K M (2024), Quantifying the mesoscale contribution to FACs during a magnetospheric substorm, Geophy. Res. Ltrs., 51, e2024GL111045, doi.org/10.1029/2024GL111045
  10. Gasparini, S, Hatch, S M, Reistad, J P, Ohma, A, Laundal, K M, Walker, S J, & Madelaire, M (2024), A quantitative analysis of the uncertainties on reconnection electric field estimates using ionospheric measurements, J. Geophys. Res. Space Physics, 129, doi.org/10.1029/2024JA032599
  11. Gowtam, V S, Connor, H, Kunduri, B S R, Raeder, J, Laundal, K M, Tulasi Ram, S, et al. (2024), Calculating the high-latitude ionospheric electrodynamics using a machine learning-based field-aligned current model, Space Weather, 22, e2023SW003683, doi.org/10.1029/2023SW003683
  12. Hatch, S M, Vanhamäki, H, Laundal, K M, Reistad, J P, Burchill, J K, Lomidze, L, Knudsen, D J, Madelaire, M, and Tesfaw, H (2024), Does high-latitude ionospheric electrodynamics exhibit hemispheric mirror symmetry?, Annales Geophysicae, doi.org/10.5194/angeo-42-229-2024
  13. Herlingshaw, K, N Partamies, C M van Hazendonk, M Syrjäsuo, L J Baddeley, M G Johnsen, N K Eriksen, I McWhirter, A L Aruliah, M J Engebretson, K Oksavik, et al. (2024), Science Highlights from the Kjell Henriksen Observatory on Svalbard, Arctic Science, 10, doi.org/10.1139/as-2024-0009
  14. Köhn, C, Heumesser, M, Chanrion, O, Reglero, V, Østgaard, N, Christian, H J, Lang, T J, Blakeslee, R J, and Neubert, T (2024), Employing optical lightning data to identify lightning flashes associated to terrestrial gamma-ray flashes, Bull. of Atmos. Sci. & Technol., 5, 2, doi.org/10.1007/s42865-024-00065-y
  15. Laundal, K M, Hatch, S M, Reistad, J P, Ohma, A, Tenfjord, P, & Madelaire, M (2024), How the ionosphere responds dynamically to magnetospheric forcing, Geophys. Res. Lett., 51, doi.org/10.1029/2024GL108695
  16. Lu, S, Z-Y Xing, Q-H Zhang, Y-L Zhang, H-G Yang, K Oksavik, L R Lyons, M Lockwood, Y-Z Ma, X-Y Wang, Z-X Deng, T Xu, G-J Li, Y Wang, and D Zhang (2024), A statistical study of space hurricanes in the Southern Hemisphere, J. Geophys. Res. Space Physics, 129, doi.org/10.1029/2024JA032753
  17. Ma, Y-Z, Q-H Zhang, S-H Zhao, L R Lyons, K Oksavik, Z-Y Xing, Y Wang, M R Hairston, J-J Liu, B Nanan, Z-X Deng, and Q Zhang (2024), Multi-instrument analysis of the formation and segmentation of tongue of ionization into two consecutive polar cap patches, J. Geophys. Res. Space Physics, 129, doi.org/10.1029/2024JA032426
  18. Madelaire, M, K Laundal, S Hatch, H Vanhamäki, J Reistad, A Ohma, V Merkin, and D Lin (2024), Estimating the ionospheric induction electric field using ground magnetometers. Geophys. Res. Lett., doi.org/10.1029/2023GL105443
  19. Madhanakumar, M, A Spicher, J Vierinen, and K Oksavik (2024), On the strength of E and F region irregularities for GNSS scintillation in the dayside polar ionosphere, J. Atm. Sol.-Terr. Phys., doi.org/10.1016/j.jastp.2024.106197
  20. Madhanakumar, M, A Spicher, J Vierinen, K Oksavik, A J Coster, D R Huyghebaert, C J Martin, I Häggström, and L J Paxton (2024), The growth and decay of intense GNSS amplitude and phase scintillation during non-storm conditions, Space Weather, 22, doi.org/10.1029/2024SW004108
  21. Marisaldi, M, N Østgaard, A Mezentsev, T Lang, J E Grove, D Shy, G M Heymsfield, P Krehbiel, R J Thomas, M Stanley, D Sarria, C Schultz, R Blakeslee, M G Quick, H Christian, I Adams, R Kroodsma, N Lehtinen, K Ullaland, S Yang, B Hasan Qureshi, J Søndergaard, B Husa, et al. (2024), Highly dynamic gamma-ray emissions are common in tropical thunderclouds, Nature, 634, 57–60, doi.org/10.1038/s41586-024-07936-6
  22. Mezentsev, A, N Østgaard, M Marisaldi, D Sarria, N Lehtinen, T Neubert, O Chanrion, F Gordillo-Vazquez (2024), Discerning TGF and leader current pulse in ASIM observation, Geophys. Res. Lett., doi.org/10.1029/2024GL110554
  23. Nesse H, and Salice J (2024), The high-energy tail of energetic electron precipitation: case studies, Front. Astron. Space Sci., 11:1402088, doi.org/10.3389/fspas.2024.1402088
  24. Ohma, A, M Madelaire, K M Laundal, J P Reistad, S M Hatch, S Gasparini, S J Walker (2024), Background removal from global auroral images: Data-driven dayglow modeling, Earth Planet. Phys., 8, doi.org/10.26464/epp2023051
  25. Ohma, A, K M Laundal, M Madelaire, S M Hatch, S Gasparini, J P Reistad, S J Walker, and M Decotte (2024), Robust estimates of spatiotemporal variations in the auroral boundaries derived from global UV imaging. J. Geophys. Res.: Space Physics, 129, doi.org/10.1029/2023JA032021
  26. Oliveira, D M, Laundal, K M, Madelaire, M, et al. (2024), Predicting interplanetary shock occurrence for solar cycle 25: Opportunities and challenges in space weather research, Space Weather, 22, doi.org/10.1029/2024SW003964
  27. Reistad, J P, Hatch, S M, Laundal, K M, Oksavik, K, Zettergren, M, Vanhamäki, H, & Virtanen, I (2024), Volumetric reconstruction of ionospheric electric currents from tri-static incoherent scatter radar measurements, J. Geophys. Res.: Space Physics, 129, doi.org/10.1029/2024JA032744
  28. Salice J, Nesse H, Partamies N, Kilpua E, Kavanagh A, Decotte M, Babu E, and Smith-Johnsen C (2024), The high-energy tail of energetic electron precipitation: solar wind drivers and geomagnetic responses, Front. Astron. Space Sci., 11:1352020, doi.org/10.3389/fspas.2024.1352020
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2023
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  55. Tartaglione, N, T Toniazzo, Y Orsolini, O H Otterå (2020), Impact of solar irradiance and geomagnetic activity on polar NOx ozone and termperature in WACCM simulations, J. Atm. Solar-Terrest. Phys., doi.org/10.1016/j.jastp.2020.105398
  56. Tenfjord, P, M Hesse, C Norgren, S F Spinnangr, H Kolstø, N Kwagala (2020), Interaction of cold streaming protons with the reconnection process, J. Geophys. Res. Space Physics, 125, doi.org/10.1029/2019JA027619
  57. Tesema, F, Partamies, N, Tyssøy, H N, Kero, A, and Smith-Johnsen, C (2020), Observations of electron precipitation during pulsating aurora and its chemical impact,  J. Geophys. Res.: Space Physics, doi.org/10.1029/2019JA027713
  58. Tesema, F, Partamies, N, Nesse Tyssøy, H, and McKay, D (2020), Observations of precipitation energies during different types of pulsating aurora, Ann. Geophys., doi.org/10.5194/angeo-38-1191-2020
  59. Ursi, A, M Tavani, D D Frederiks, M Romani, F Verrecchia, M Marisaldi, et al. (2020), AGILE and Konus-Wind Observations of GRB 190114C: The Remarkable Prompt and Early Afterglow Phases, Astrophys. J., doi.org/10.3847/1538-4357/abc2d4
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2019
  1. Albrechtsen, K H, Østgaard, N, Berge, N, and Gjesteland, T (2019), Observationally Weak TGFs in the RHESSI Data, J. Geophys. Res.: Atmos., doi.org/10.1029/2018JD029272
  2. Alm, L, André, M, Graham, D B, Khotyaintsev, Y V, Vaivads, A, Chappell, C R, Dargent, J, Fuselier, S A, Haaland, S, Lavraud, B, Li, W, Tenfjord, P, Toledo‐Redondo, S, Vines, S K (2019), MMS Observations of Multiscale Hall Physics in the Magnetotail, Geophys. Res. Ltrs., doi.org/10.1029/2019GL084137
  3. Bender, S, Sinnhuber, M, Espy, P J, and Burrows, J P (2019), Mesospheric nitric oxide model from SCIAMACHY data, Atm. Chem. Phys., doi.org/10.5194/acp-19-2135-2019
  4. Bessho, L-J Chen, S Wang, M Hesse (2019), Effects of the guide field on electron distribution functions in the diffusion region of asymmetric reconnection, AIP Physics of Plasmas, doi.org/10.1063/1.5092809
  5. Bland, E C, Partamies, N, Heino, E, Yukimatu, A S, & Miyaoka, H (2019), Energetic electron precipitation occurrence rates determined using the Syowa East SuperDARN Radar, J. Geophys. Res.: Space Physics, 124, doi.org/10.1029/2018JA026437
  6. Franzen, P J Espy, N Hofmann, R E Hibbins and A A Djupvik (2019), Airglow Derived Measurements of Q-Branch Transition Probabilities for Several Hydroxyl Meinel Bands, Atmosphere, doi.org/10.3390/atmos10100637
  7. Frey, H U, D Han, R Kataoka, M R Lessard, S E Milan, Y Nishimura, R J Strangeway, and Y Zou (2019), Dayside Aurora, Space Sci. Rev., doi.org/10.1007/s11214-019-0617-7
  8. Füllekrug, M, K L Koh, Z Liu, and A Mezentsev (2019), First map of coherent low-frequency continuum radiation in the sky, Radio Science, 54, doi.org/10.1029/2018RS006705
  9. Fuselier, S A, K J Trattner, S M Petrinec, M H Denton, S Toledo‐Redondo, M André, N Aunai, C R Chappell, A Glocer, S E Haaland, M Hesse, L M Kistler, B Lavraud, W Li, T E Moore, D Graham, L Alm, P Tenfjord, J Dargent, S K Vines, K Nykyri, J L Burch, R J Strangeway (2019), Mass Loading the Earth's Dayside Magnetopause Boundary Layer and Its Effect on Magnetic Reconnection, Geophys Res. Lett., doi.org/10.1029/2019GL082384
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  12. Han, D-S, T Xu, Y Jin, K Oksavik, X-C Chen, J-J Liu, Q-H Zhang, L Baddeley, and K Herlingshaw (2019), Observational evidence for throat aurora being associated with magnetopause reconnection, Geophys. Res. Lett., 46, doi.org/10.1029/2019GL083593
  13. Hatch, Spencer M, LaBelle, J Chaston , C C (2019), Inferring Source Properties of Monoenergetic Electron Precipitation From Kappa and Maxwellian Moment-Voltage Relationships, J. Geophys. Res.: Space Physics, doi.org/10.1029/2018JA026158
  14. Heino, E, Verronen, P T, Kero, A, Kalakoski, N, and Partamies, N (2019), Cosmic noise absorption during solar proton events in WACCM‐D and riometer observations, J. Geophys. Res.: Space Physics, doi.org/10.1029/2018JA026192
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  34. Sarria, P Kochkin, N Østgaard, N Lehtinen, A Mezentsev, M Marisaldi, B E Carlson, C Maiorana, K Albrechtsen, T Neubert, V Reglero, K Ullaland, S Yang, G Genov, B H Qureshi, C Budtz‐Jørgensen, I Kuvvetli, F Christiansen, O Chanrion, M Heumesser, K Dimitriadou, J Navarro‐González, P Connell, C Eyles (2019), The First Terrestrial Electron Beam Observed by the Atmosphere‐Space Interactions Monitor, J. Geophys. Res.: Space Physics, doi.org/10.1029/2019JA027071
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  38. Tenfjord, P, M Hesse, C Norgren, S F Spinnangr, H Kolstø (2019), The Impact of Oxygen on the Reconnection Rate, Geophys, Res. Lett., doi.org/10.1029/2019GL082175
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2018
  1. Bessho, N, Chen, L‐J, Wang, S, and Hesse, M (2018), Effect of the reconnection electric field on electron distribution functions in the diffusion region of magnetotail reconnection, Geophys. Res. Let., 45, 12,142-12,152, doi.org/10.1029/2018GL081216
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  6. Carter, J A, Milan, S E, Fogg, A R, Paxton, L J, and Anderson, B J (2018), The Association of High‐Latitude Dayside Aurora With NBZ Field‐Aligned Currents, J. Geophys. Res.: Space Phys., doi.org/10.1029/2017JA025082
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2016
  1. Browett, S D, R C Fear, A Grocott, S E Milan (2016), Timescales for the penetration of IMF By into the Earth's magnetotail, J. Geophys. Res. Space Phys, doi.org/10.1002/2016JA023198
  2. Chen, X-C, D A Lorentzen, J I Moen, K Oksavik, L J Baddeley, and M Lester (2016), F-region ionosphere effects on the mapping accuracy of SuperDARN HF radar echoes, Radio Science, 51, doi.org/10.1002/2016RS005957
  3. Coxon, J C, S E Milan, J A Carter, L B N Clausen, B J Anderson and H Korth (2016), Seasonal and diurnal variations in AMPERE observations of the Birkeland currents compared to modeled results, J. Geophys. Res. Space Phys., doi.org/10.1002/2015JA022050
  4. de Wit, R J, D Janches, D C Fritts, and R E Hibbins (2016), QBO modulation of the mesopause gravity wave momentum flux over Tierra del Fuego, Geophys. Res. Lett., 43, doi.org/10.1002/2016GL068599
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  7. Füllekrug, M, Z Liu, K Koh, A Mezentsev, S Pedeboy, S Soula, S-E Enno, J Sugier, and M J Rycroft (2016) Mapping lightning in the sky with a mini array, Geophys. Res. Lett., doi.org/10.1002/2016GL070737
  8. Goldstein, J, D V Bisikalo, V I Shematovich, J-C Gérard, F Søraas, D J McComas, P W Valek, K LLera, and J Redfern (2016), Analytical Estimate for Low Altitude ENA Emissivity, J. Geophys. Res. Space Physics, 121, doi.org/10.1002/2015JA021773
  9. Hajra, R, B T Tsurutani, E Echer, W D Gonzalez, and J W Gjerloev (2016), Supersubstorms (SML < -2500 nT): Magnetic Storm and Solar Cycle Dependences, J. Geophys. Res. Space Physics, 121, doi.org/10.1002/2015JA021835
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  13. Kochkin, P, C Köhn, Ut Ebert and L van Deursen (2016), Analyzing x-ray emissions from meter-scale negative discharges in ambient air, Plasma Sources Sci. Technol., doi.org/10.1088/0963-0252/25/4/044002
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  17. Laundal, K M, C C Finlay, N Olsen (2016), Sunlight effects on the 3D polar current system determined from low Earth orbit measurements, Earth Planets Space, doi.org/10.1186/s40623-016-0518-x
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  22. Lyu, F,  S A Cummer, M Briggs, M Marisaldi, R J Blakeslee, E C Bruning, J G Wilson, W Rison, P Krehbiel, G Lu, E Cramer, G Fitzpatrick, B Mailyan, S McBreen, O J Roberts, and M Stanbro (2016), Ground detection of terrestrial gamma ray flashes from distant radio signals, Geophys. Res. Lett., doi.org/10.1002/2016GL070154
  23. Malhotra, G, J M Ruohoniemi, J B H Baker, R E Hibbins, and K A McWilliams (2016), HF radar observations of a quasi-biennial oscillation in midlatitude mesospheric winds, J. Geophys. Res. Atmos., 121, doi.org/10.1002/2016JD024935
  24. Mezentsev, A, N Østgaard, T Gjesteland, K Albrechtsen, N Lehtinen, M Marisaldi, D Smith and S Cummer (2016), Radio emissions from double RHESSI TGFs,  J. Geophys. Res.: Atmos., doi.org/10.1002/2016JD025111
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  32. Savolainen, T, D K Whiter, and N Partamies (2016), Automatic segmentation and classification of seven-segment display digits on auroral images, Geosci. Instrum. Method. Data Syst. Discuss., doi.org/10.5194/gi-2015-28
  33. Shukhtina, M A, E I Gordeev, V A Sergeev, N A Tsyganenko, L B N Clausen, and S E Milan (2016), Magnetotail magnetic flux monitoring based on simultaneous solar wind and magnetotail observations, J. Geoph. Res. Space Phys., doi.org/10.1002/2016JA022911
  34. Sonnerup, S Haaland, G Paschmann, T Phan, and S Eriksson (2016), Magnetopause, reconnection layer bounded by switch-off shocks 2: Pressure anisotropy, J. Geophys. Res. Space. Phys., doi.org/10.1002/2016JA023250
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  36. Tenfjord P, N Østgaard, R J Strangeway, S Haaland, K Snekvik, K M Laundal, J P Reistad, and S E Milan (2016), Magnetospheric response and reconfiguration times following IMF By reversals, J. Geophys. Res., 121, doi.org/10.1002/2016JA023018
  37. Ursi, A, M Marisaldi, M Tavani, D Casella, P Sano, S Dietrich (2016), Detection of multiple terrestrial gamma-ray flashes from thunderstorm system, J. Geophys. Res. Biogeosciences, doi.org/10.1002/2016JA023136
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2015
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  7. Dods, J, S C Chapman, and J W Gjerloev (2015), Network Analysis of Geomagnetic Substorms Using the SuperMAG Database of Ground Based Magnetometer Stations, J. Geophys. Res. Space Physics, doi.org/10.1002/2015JA021456
  8. Dorville, N, S Haaland, C Anekallu, G Belmont, and L Rezeau (2015), Magnetopause orientation: Comparison between generic residue analysis and BV method, J. Geophys. Res. Space Physics, 120, Issue 4, doi.org/10.1002/2014JA020806
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  41. Tanaka, Y, Y Ogawa, A Kadokura, N Partamies, D Whiter, C-F Enell, U Brändström, T Sergienko, B Gustavsson, A Kozlovsky, H Miyaoka, and A Yoshikawa (2015), Eastward-expanding auroral surges observed in the post-midnight sector during a multiple-onset substorm, Earth Planets and Space, 67:182, doi.org/10.1186/s40623-015-0350-8
  42. Tenfjord, P, N Østgaard, K Snekvik, K M Laundal, J P Reistad, S E Haaland, S E Milan (2015), 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, J. Geophys. Res., doi.org/10.1002/2015JA021579
  43. Tereshchenko, E D, R Y Yurik and L Baddeley (2015), Stimulated electromagnetic emission polarization under different polarizations of pump waves, Ann. Geophys., 33, 295-300, doi.org/10.5194/angeo-33-295-2015
  44. Tsurutani, B T, R Hajra, E Echer and J W Gjerloev (2015), Extremely intense (SML ¾­2500 nT) substorms: isolated events that are externally triggered?, Ann. Geophys., 33, 519-524, doi.org/10.5194/angeo-33-519-2015
  45. van der Meeren, C, K Oksavik, D A Lorentzen, M T Rietveld, and L B N Clausen (2105), Severe and localized GNSS scintillation at the poleward edge of the nightside auroral oval during intense substorm aurora, J. Geophys. Res. Space Physics, doi.org/10.1002/2015JA021819
  46. Venkateswara Rao, N, P J Espy, R E Hibbins, D C Fritts, and A J Kavanagh (2015), Observational evidence of the influence of Antarctic stratospheric ozone variability on middle atmosphere dynamics, Geophys. Res. Lett., 42, doi.org/10.1002/2015GL065432
  47. Waters, C L, J Gjerloev, M Dupont, R J Barnes (2015), Global maps of ground magnetometer data, J. Geophys. Res., doi.org/10.1002/2015JA021596
  48. Østgaard, N, K H Albrechtsen, T Gjesteland, A Collier (2015), A new population of Terrestrial Gamma-ray Flashes in the RHESSI data, Geophys. Res. Letter, doi.org/10.1002/2015GL067064
2014
  1. Daae, M, C Straub, P J Espy, and D A Newnham (2014), Atmospheric ozone above Troll station, Antarctica observed by a ground based microwave radiometer, Earth Syst. Sci. Data, 6, 105-115, doi.org/10.5194/essd-6-105-2014
  2. Demissie, T D, P J Espy, N H Kleinknecht, M Hatlen, N Kaifler, and G Baumgarten (2014), Characteristics and sources of gravity waves observed in NLC over Norway, Atmos. Chem. Phys., 14, 12133–12142, doi.org/10.5194/acp-14-12133-2014
  3. de Wit, R J, R E Hibbins, and P J Espy (2014), The seasonal cycle of gravity wave momentum  flux and forcing in the high latitude northern hemisphere mesopause region, J. Atmos. Solar Terr. Phys., doi.org/10.1016/j.jastp.2014.10.002
  4. de Wit, R J, R E Hibbins, P J Espy, Y Orsolini, V Limpasuvan, and D Kinnison (2014), Observations of gravity wave forcing of the mesopause region during the January 2013 major Sudden Stratospheric Warming, Geophys. Res. Lett., 41(13), 4745-4752, doi.org/10.1002/2014GL060501
  5. Fear, R C, S E Milan, R Maggiolo, A N Fazakerley, I Dandouras, S B Mende (2014), Direct observation of closed magnetic flux trapped in the high-latitude magnetosphere, Science, Vol. 346, 1506-1510, doi.org/10.1126/science.1257377
  6. Gjerloev, J W, and R A Hoffman (2014), The large-scale current system during auroral substorms, J Geophys. Res. Space Physics, 119, 4591–4606, doi.org/10.1002/2013JA019176
  7. Haaland, S, J Reistad, P Tenfjord, J Gjerloev, L Maes, J DeKeyser, R Maggiolo, C Anekallu, and N Dorville (2014), Characteristics of the flank magnetopause: Cluster observations, J. Geophys. Res. Space Physics, 119, doi.org/10.1002/2014JA020539
  8. Holmen, S E, M E Dyrland, and F Sigernes (2014), Mesospheric temperatures derived from three decades of hydroxyl airglow measurements from Longyearbyen, Svalbard (78°N), Acta Geophysica, Vol 62, No 2, pp. 302-315, doi.org/10.2478/s11600-013-0159-4
  9. Holmen, S E, M E Dyrland, and F Sigernes (2014), Long-term trends and the effect of solar cycle variations on mesospheric winter temperatures over Longyearbyen, Svalbard (78°N), accepted for publication by J. Geophys. Res., doi.org/10.1002/2013JD021195
  10. Holmes, J M, Johnsen, M G, Deehr, C S, Zhou, X Y and Lorentzen, D A (2014), Circumpolar ground-based optical measurements of proton and electron shock aurora, J. Geophys. Res., 119, doi.org/10.1002/2013JA019574
  11. Kleinknecht, N H, P J Espy, and R E Hibbins (2014), The climatology of zonal wave numbers 1 and 2 planetary wave structure in the MLT using a chain of Northern Hemisphere Super-DARN radars, J. Geophys. Res. Atmos.,119, doi.org/10.1002/2013JD019850
  12. Kozyra, J U, M W Liemohn, C Cattell, D De Zeeuw, C P Escoubet, D S Evans, X Fang, M-C Fok, H U Frey, W D Gonzalez, M Hairston, R Heelis, G Lu, W B Manchester IV, S Mende, L J Paxton, L Rastaetter, A Ridley, M Sandanger, F Soraas, et al. (2014), Solar filament impact on 21 January 2005: Geospace consequences, J. Geophys. Res. Space Physics, 119, 5401–5448, doi.org/10.1002/2013JA019748
  13. Kronberg, E A, S E Haaland, P W Daly, E E Grigorenko, L M Kistler, M Fränz, and I Dandouras (2014), Correction to “Oxygen and hydrogen ion abundance in the near-Earth magnetosphere: Statistical results on the response to the geomagnetic and solar wind activity conditions”, J. Geophys. Res. Space Ph., doi.org/10.1002/2013JA019703
  14. Laundal K M, and J W Gjerloev (2014), What is the appropriate coordinate system for magnetometer data when analyzing ionospheric currents?, J. Geophys. Res., Space Physics, doi.org/10.1002/2014JA020484
  15. Liang, C, B Carlson, N Lehtinen, M Cohen, R A Marshall, and U Inan (2014), Differing current and optical return stroke speeds in lightning, Geophys. Res. Ltr., doi.org/10.1002/2014GL059703
  16. Marisaldi, M, et al. (2014), Properties of terrestrial gamma ray flashes detected by AGILE MCAL below 30 MeV, J. Geophys. Res., doi.org/10.1002/2013JA019301
  17. Motoba, T, S Ohtani, A Kadokura, and J W Gjerloev (2014), Interrelationship between pre-onset auroral and magnetic signatures at a geomagnetically conjugate Iceland-Syowa pair, J. Geophys. Res., 119, 761–769, doi.org/10.1002/2013JA019512
  18. Newell, P T and J W Gjerloev (2014), Local Geomagnetic Indices and the Prediction of Auroral Power, J. Geophys. Res. Space Physics, doi.org/10.1002/2014JA020524
  19. Nishimura, Y, L R Lyons, Y Zou, K Oksavik, J I Moen, L B Clausen, E F Donovan, V Angelopoulos, K Shiokawa, J M Ruohoniemi, N Nishitani, K A McWilliams, and M Lester (2014), Day-night coupling by a localized flow channel visualized by polar cap patch propagation, Geophys. Res. Lett., 41, 3701-3709, doi.org/10.1002/2014GL060301
  20. Nisi, R S, N Østgaard, T Gjesteland, and A B Collier (2014), An altitude and distance correction to the source fluence distribution of TGFs, J. Geophys. Res., doi.org/10.1002/2014JA019817
  21. Reisin, E, J Scheer, M Dyrland, C Deehr, F Sigernes, C Schmidt, K Höppner, M Bittner, P Ammosov, G Gavrilyeva, J Stegman, V Perminov, A I Semenov, P Knieling, R Koppmann, K Shiokawa, R P Lowe, M J López-González, E Rodríguez, Y Zhao, M Taylor, R Buriti, P Espy, W French, K-U Eichmann, J Burrows, C von Savigny (2014), Traveling planetary wave activity from mesopause region airglow temperatures determined by the Network for the Detection of Mesospheric Change (NDMC), J. Atmos. Sol. Terr. Phys., 119, pages 71-82, doi.org/10.1016/j.jastp.2014.07.002
  22. Reistad, J P, N Østgaard, K M Laundal, S Haaland, P Tenfjord, K Snekvik, K Oksavik, S E Milan (2014), Intensity asymmetries in the dusk sector of the poleward auroral oval due to IMF Bx, J. Geophys. Res., 119, doi.org/10.1002/2014JA020216
  23. Shi, R, Z-J Hun, B Ni, D Han, X-C Chen, C Zhou, and X Gu (2014), Modulation of the dayside diffuse auroral intensity by the solar wind dynamic pressure, J. Geophys. Res., 119, doi.org/10.1002/2014JA020180
  24. Sigernes, F, S E Holmen, D Biles, H Bjørklund, X Chen, M Dyrland, D A Lorentzen, L Baddeley, et al. (2014), Auroral all-sky camera calibration, Geosci. Instrum. Method. Data Syst., 3, 241-245, doi.org/10.5194/gi-3-241-2014
  25. Skeltved, A B, N Østgaard, B Carlson, T Gjesteland, and S Celestin (2014), Modeling the Relativistic Runaway Electron Avalanche and the feedback mechanism with GEANT4, J. Geophys. Res., doi.org/10.1002/2014JA020504
  26. Stray, N H, P J Espy, V Limpasuvan, and R E Hibbins (2014), Characterisation of quasi-stationary planetary waves in the Northern MLT during summer, J. Atmos. Solar Terr. Phys., doi.org/10.1016/j.jastp.2014.12.003
  27. Stray, N H, R J de Wit, P J Espy, and R E Hibbins (2014), Observational evidence for temporary planetary-wave forcing of the MLT during fall equinox, Geophys. Res. Lett., 41, 6281–6288, doi.org/10.1002/2014GL061119
  28. van der Meeren, C, K Oksavik, D Lorentzen, J I Moen, and V Romano (2014), GPS scintillation and irregularities at the front of an ionization tongue in the nightside polar ionosphere, J. Geophys. Res. Space Physics, 119, doi.org/10.1002/2014JA020114
  29. Venkateswara Rao, N, N Balan, and A K Patra (2014), Solar rotation effects on the Martian ionosphere, J Geophys. Res. Space Physics, 119, doi.org/10.1002/2014JA019894
  30. Walsh, A P, S Haaland, C Forsyth, A M Keesee, J Kissinger, K Li, A Runov, J Soucek, B M Walsh, S Wing, and M G G T Taylor (2014), Dawn-dusk asymmetries in the coupled solar wind–magnetosphere–ionosphere system: a review, Ann. Geophys., doi.org/10.5194/angeo-32-705-2014
2013
  1. Carlson, H C, K Oksavik, and J I Moen (2013), Thermally excited 630.0nm O(1D) emission in the cusp: A frequent high-altitude transient signature, J. Geophys. Res., 118, doi.org/10.1002/jgra.50516
  2. Cohen, I J, M R Lessard, S R Kaeppler, S R Bounds, C A Kletzing, A V Streltsov, J W Labelle, M P Dombrowski, S L Jones, R F Pfaff, D E Rowland, B J Anderson, H Korth, and J W Gjerloev (2013), Auroral Current and Electrodynamics Structure 1 (ACES) observations of ionospheric feedback in the 2 Alfven resonator and model responses, J. Geophys. Res., 118 (D6), 3288, doi.org/10.1002/jgra.50348
  3. Demissie, T D, K Hosokawa, N H Kleinknecht, P J Espy, R E Hibbins (2013), Planetary wave oscillations observed in ozone and PMSE data from Antarctica, J. Atmos. Sol. Terr. Phys., doi.org/10.1016/j.jastp.2013.10.008
  4. Demissie, T D, N H Kleinknecht, R E Hibbins, P J Espy and C Straub (2013), Quasi-16-day period oscillations observed in middle atmospheric ozone and temperature in Antarctica, Ann. Geophys., 31, 1279-1284, doi.org/10.5194/angeo-31-1279-2013
  5. de Wit, R J, R E Hibbins, P J Espy, and N J Mitchell (2013), Interannual variability of mesopause zonal winds over Ascension Island: coupling to the stratospheric QBO, J. Geophys. Res., 118 (D21), 12052, doi.org/10.1002/2013JD020203
  6. Engebretson, M J, T K Yeoman, K Oksavik, F Søraas, F Sigernes, et al. (2013), Multi-instrument observations from Svalbard of a traveling convection vortex, electromagnetic ion cyclotron wave burst, and proton precipitation associated with a bow shock instability, J. Geophys. Res., 118 (D6), 2975, doi.org/10.1002/jgra.50291
  7. Förster, M, Y I Feldstein, L I Gromova, L A Dremukhina, A E Levitin, and S E Haaland (2013), Some aspects of modelling the high-latitude ionospheric convection from Cluster/EDI data, Geomagnetism and Aeronomy, doi.org/10.1134/S001679321301009X
  8. Goldstein, J, D J McComas, P Valek,  J Redfern, F Søraas, and D Bazell (2013), Local‐time‐dependent low‐altitude ion spectra deduced from TWINS ENA images, J. Geophys. Res., 118 (D6), 2928, doi.org/10.1002/jgra.50222
  9. Haaland, S, and J W Gjerloev (2013), On the relation between asymmetries in the ring current and magnetopause current, J. Geophys. Res., 118 (D12), 7593, doi.org/10.1002/2013JA019345
  10. Hansen, R S, N Østgaard, T Gjesteland, and B Carlson (2013), How simulated fluence of photons from Terrestrial Gamma ray flashes at aircraft and balloon altitudes depends on initial parameters, J. Geophys. Res., 118 (D5), 2333, doi.org/10.1002/jgra.50143
  11. Li, K, S Haaland, A Eriksson, M André, E Engwall, Y Wei, E A Kronberg, M Fränz, P W Daly, H Zhao, Q Y Ren (2013), Transport of cold ions from the polar ionosphere to the plasma sheet, J. Geophys. Res., 118 (D9), 5467, doi.org/10.1002/jgra.50518
  12. Milan, S E (2013), Modelling Birkeland currents in the expanding/contracting polar cap paradigm, J. Geophys. Res., 118 (D9), 5532, doi.org/10.1002/jgra.50393
  13. Mitchell, E J, P T Newell, J W Gjerloev, and K Liou (2013), OVATION-SM: A model of auroral precipitation based on SuperMAG generalized auroral electrojet and substorm onset times, J. Geophys. Res., 118 (D6), 3747, doi.org/10.1002/jgra.50343
  14. Moen J, K Oksavik, L Alfonsi, Y Daabakk, V Romano, and L Spogli (2013), Space weather challenges of the polar cap ionosphere, J. Space Weather Space Clim., 3, A02, doi.org/10.1051/swsc/2013025
  15. Motoba, T, K Takahashi, J Gjerloev, S Ohtani and D K Milling (2013), The role of compressional Pc5 pulsations in modulating precipitation of energetic electrons, J. Geophys. Res. Space Phys., doi.org/10.1002/2013JA018912
  16. Munteanu, C,  S Haaland,  B Mailyan, M Echim, and K Mursula (2013), Propagation delay of solar wind discontinuities: Comparing different methods and evaluating the effect of wavelet denoising, J. Geophys. Res., 118 (D7), 3985, doi.org/10.1002/jgra.50429
  17. Nesse Tyssøy, H, J Stadsnes, F Søraas, and M Sørbø (2013), Variations in cutoff latitude during the January 2012 solar proton event and implication for the distribution of particle energy deposition, Geophys. Res. Lett.,40 (D16), 4149, doi.org/10.1002/grl.50815
  18. Newnham, D A, P J Espy, M A Clilverd, C J Rodger, A Seppälä, D J Maxfield, P Hartogh, C Straub, K Holmén and R B Horne (2013), Observations of nitric oxide in the Antarctic middle atmosphere during recurrent geomagnetic storms, J. Geophys. Res. Space Phys., doi.org/10.1002/2013JA019056
  19. Paschmann, G, S Haaland, B Sonnerup and T Knetter (2013), Discontinuities and Alfvenic fluctuations in the solar wind, Ann. Geophys., 31, 871-887, doi.org/10.5194/angeo-31-871-2013
  20. Reistad, J P, N Østgaard, K M Laundal and K Oksavik (2013), On the non-conjugacy of nightside aurora and their generator mechanisms, J Geophys. Res., 118 (D6), 3394, doi.org/10.1002/jgra.50300
  21. Ribeiro, A J, J M Ruohoniemi, P V Ponomarenko, L B N Clausen, J B H Baker, R A Greenwald, K Oksavik, and S de Larquier (2013), A comparison of SuperDARN ACF fitting methods, Radio Science, 48 (D3), 274, doi.org/10.1002/rds.20031
  22. Straub, C, P J Espy, R E Hibbins, and D A Newnham (2013), Mesospheric CO above Troll station, Antarctica observed by a ground based microwave radiometer, Earth Syst. Sci. Data, 5, 199-208, doi.org/10.5194/essd-5-199-2013
  23. Søraas, F, K M Laundal, and M Usanova (2013), Coincident particle and optical observations of nightside subauroral proton precipitation, J. Geophys. Res, 118, 1, doi.org/10.1002/jgra.50172
  24. Tenfjord, P, and N Østgaard (2013), Energy transfer and flow in the solar wind-magnetosphere-ionosphere system: A new coupling function, J. Geophys. Res., 118 (D9), 5659, doi.org/10.1002/jgra.50545
  25. Tweedy, O V, V Limpasuvan,Y J Orsolini, A K Smith, R R Garcia, D Kinnison, C E Randall, O-K Kvissel, F Stordal, V L Harvey, and A Chandran (2013), Nighttime secondary ozone layer during major stratospheric sudden warmings in specified-dynamics WACCM, J. Geophys. Res., 118 (D15), 8346, doi.org/10.1002/jgrd.50651
  26. Østgaard, N, T Gjesteland, B E Carlson, A B Collier, S Cummer, G Lu, and H J Christian (2013), Simultaneous observations of optical lightning and terrestrial gamma ray flash from space, Geophys. Res. Lett.,40 (D10), 2423, doi.org/10.1002/grl.50466
  27. Østgaard, N, B K Humberset, K M Laundal, and J P Reistad (2013), Correction to ''Evolution of auroral asymmetries in the conjugate hemispheres during two substorms'', Geophys. Res. Lett., 40 (D3), 471, doi.org/10.1002/grl.50123

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