Most downloaded

27 May 2026
Pre-earthquake Electric Field Disturbances and Interference Analysis Based on CSES-01 Satellite Observations
Jianping Huang, Junjie Song, Yantao Zhang, Yuan Yao, Zhong Li, Wenjing Li, Hengxin Lu, Xingsu Li, Yumeng Huo, and Ruiqi Yang
Ann. Geophys., 44, 391–403, https://doi.org/10.5194/angeo-44-391-2026,https://doi.org/10.5194/angeo-44-391-2026, 2026 | 18,352 views
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15 Dec 2025
Establishing a European Heliophysics Community (EHC)
Rumi Nakamura, Thierry Dudok de Wit, Geraint H. Jones, Matt G. G. T. Taylor, Nicolas André, Charlotte Goetz, Lina Z. Hadid, Laura A. Hayes, Heli Hietala, Caitríona M. Jackman, Larry Kepko, Aurélie Marchaudon, Adam Masters, Mathew Owens, Noora Partamies, Stefaan Poedts, Jonathan Rae, Yuri Shprits, Manuela Temmer, Daniel Verscharen, and Robert F. Wimmer-Schweingruber
Ann. Geophys., 43, 855–879, https://doi.org/10.5194/angeo-43-855-2025,https://doi.org/10.5194/angeo-43-855-2025, 2025 | 11,069 views
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10 Dec 2025
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Global inductive magnetosphere-ionosphere- thermosphere coupling
Karl M. Laundal, Andreas S. Skeidsvoll, Beatrice Popescu Braileanu, Spencer M. Hatch, Nils Olsen, and Heikki Vanhamäki
Ann. Geophys., 43, 803–833, https://doi.org/10.5194/angeo-43-803-2025,https://doi.org/10.5194/angeo-43-803-2025, 2025 | 11,046 views
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04 Dec 2025
An empirical model of high-latitude ionospheric conductances based on EISCAT observations
Liisa Juusola, Ilkka Virtanen, Spencer Mark Hatch, Heikki Vanhamäki, Maxime Grandin, Noora Partamies, Urs Ganse, Ilja Honkonen, Abiyot Workayehu, Antti Kero, and Minna Palmroth
Ann. Geophys., 43, 755–781, https://doi.org/10.5194/angeo-43-755-2025,https://doi.org/10.5194/angeo-43-755-2025, 2025 | 10,123 views
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20 Oct 2025
Toolkit for incoherent scatter radar experiment design and applications to EISCAT_3D
Spencer Mark Hatch, Ilkka Virtanen, Karl Magnus Laundal, Habtamu Wubie Tesfaw, Juha Vierinen, Devin Ray Huyghebaert, Andres Spicher, and Jens Christian Hessen
Ann. Geophys., 43, 633–649, https://doi.org/10.5194/angeo-43-633-2025,https://doi.org/10.5194/angeo-43-633-2025, 2025 | 9,904 views
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17 Dec 2025
Globally- and hemispherically-integrated Joule heating rates during the 17 March 2015 geomagnetic storm, according to physics-based and empirical models
Stelios Tourgaidis, Dimitris Baloukidis, Panagiotis Pirnaris, Theodoros Sarris, Aaron Ridley, and Gang Lu
Ann. Geophys., 43, 881–899, https://doi.org/10.5194/angeo-43-881-2025,https://doi.org/10.5194/angeo-43-881-2025, 2025 | 9,852 views
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20 Oct 2025
Observing mesoscale dynamics with multistatic specular meteor radars: first climatology of momentum flux, horizontal divergence and relative vorticity over northern central Europe
J. Federico Conte, Jorge L. Chau, Toralf Renkwitz, Ralph Latteck, Masaki Tsutsumi, Christoph Jacobi, Njål Gulbrandsen, and Satonori Nozawa
Ann. Geophys., 43, 603–619, https://doi.org/10.5194/angeo-43-603-2025,https://doi.org/10.5194/angeo-43-603-2025, 2025 | 9,795 views
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05 Nov 2025
A comparison of methods to compute the rate of horizontal geomagnetic field variation
Samuel A. Fielding, Philip W. Livermore, Ciarán D. Beggan, Kathryn A. Whaler, and Gemma S. Richardson
Ann. Geophys., 43, 687–700, https://doi.org/10.5194/angeo-43-687-2025,https://doi.org/10.5194/angeo-43-687-2025, 2025 | 9,433 views
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12 Jan 2026
A comparison of modeled daytime E regions from E-PROBED and PyIRI with ionosonde observations
Daniel J. Emmons, Cornelius Csar Jude H. Salinas, Dong L. Wu, Nimalan Swarnalingam, Eugene V. Dao, Jorge L. Chau, Yosuke Yamazaki, Kyle E. Fitch, and Victoriya V. Forsythe
Ann. Geophys., 44, 17–34, https://doi.org/10.5194/angeo-44-17-2026,https://doi.org/10.5194/angeo-44-17-2026, 2026 | 9,410 views
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21 Nov 2025
Magnetospheric convection in a hybrid-Vlasov simulation
Shi Tao, Markku Alho, Ivan Zaitsev, Lucile Turc, Markus Battarbee, Urs Ganse, Yann Pfau-Kempf, and Minna Palmroth
Ann. Geophys., 43, 709–721, https://doi.org/10.5194/angeo-43-709-2025,https://doi.org/10.5194/angeo-43-709-2025, 2025 | 9,231 views
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27 Mar 2026
Mapping transition region flows to the ionosphere in a global hybrid-Vlasov simulation
Venla Koikkalainen, Maxime Grandin, Emilia Kilpua, Abiyot Workayehu, Ivan Zaitsev, Liisa Juusola, Shi Tao, Markku Alho, Lauri Pänkäläinen, Giulia Cozzani, Konstantinos Horaites, Jonas Suni, Yann Pfau-Kempf, Urs Ganse, and Minna Palmroth
Ann. Geophys., 44, 227–243, https://doi.org/10.5194/angeo-44-227-2026,https://doi.org/10.5194/angeo-44-227-2026, 2026 | 9,144 views
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01 Oct 2025
Electron-driven variability of the upper-atmospheric nitric oxide column density over the Syowa station in Antarctica
Pekka T. Verronen, Akira Mizuno, Yoshizumi Miyoshi, Sandeep Kumar, Taku Nakajima, Shin-Ichiro Oyama, Tomoo Nagahama, Satonori Nozawa, Monika E. Szeląg, Tuomas Häkkilä, Niilo Kalakoski, Antti Kero, Esa Turunen, Satoshi Kasahara, Shoichiro Yokota, Kunihiro Keika, Tomoaki Hori, Takefumi Mitani, Takeshi Takashima, and Iku Shinohara
Ann. Geophys., 43, 561–578, https://doi.org/10.5194/angeo-43-561-2025,https://doi.org/10.5194/angeo-43-561-2025, 2025 | 9,106 views
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29 Oct 2025
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Properties of large-amplitude kilometer-scale field-aligned currents at auroral latitudes, as derived from Swarm satellites
Yun-Liang Zhou and Hermann Lühr
Ann. Geophys., 43, 667–686, https://doi.org/10.5194/angeo-43-667-2025,https://doi.org/10.5194/angeo-43-667-2025, 2025 | 9,032 views
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03 Feb 2026
Plasma density estimation from ionograms and geophysical parameters with deep learning
Kian Sartipzadeh, Andreas Kvammen, Björn Gustavsson, Njål Gulbrandsen, Magnar G. Johnsen, Devin Huyghebaert, and Juha Vierinen
Ann. Geophys., 44, 85–107, https://doi.org/10.5194/angeo-44-85-2026,https://doi.org/10.5194/angeo-44-85-2026, 2026 | 9,018 views
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25 Nov 2025
Ionospheric signatures of a Bursty Bulk Flow in the 6D Vlasiator simulation
Abiyot Workayehu, Minna Palmroth, Maxime Grandin, Liisa Juusola, Markku Alho, Ivan Zaitsev, Venla Koikkalainen, Konstantinos Horaites, Yann Pfau-Kempf, Urs Ganse, Markus Battarbee, and Jonas Suni
Ann. Geophys., 43, 723–737, https://doi.org/10.5194/angeo-43-723-2025,https://doi.org/10.5194/angeo-43-723-2025, 2025 | 8,951 views
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14 Nov 2025
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A statistical study of the O2 atmospheric band aurora observed by the Swedish satellite MATS
Judit Pérez-Coll Jiménez, Nickolay Ivchenko, Ceona Lindstein, Lukas Krasauskas, Jonas Hedin, Donal P. Murtagh, Linda Megner, Björn Linder, and Jörg Gumbel
Ann. Geophys., 43, 701–707, https://doi.org/10.5194/angeo-43-701-2025,https://doi.org/10.5194/angeo-43-701-2025, 2025 | 8,844 views
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26 Feb 2026
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A source or a sink? How the altitude of particle precipitation influence high-latitude electrodynamics
Magnus F. Ivarsen
Ann. Geophys., 44, 149–162, https://doi.org/10.5194/angeo-44-149-2026,https://doi.org/10.5194/angeo-44-149-2026, 2026 | 8,826 views
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09 Dec 2025
Transport coefficients in modified Kappa distributed plasmas
Mahmood J. Jwailes, Imad A. Barghouthi, and Qusay S. Atawnah
Ann. Geophys., 43, 783–802, https://doi.org/10.5194/angeo-43-783-2025,https://doi.org/10.5194/angeo-43-783-2025, 2025 | 8,817 views
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03 Dec 2025
Observations of electric fields during two partial solar eclipses at the geomagnetic equator
Manuel A. Bravo, Joel H. Fernández, Adán Godoy, Jackson E. Pérez, Benjamín A. Urra, Antonela Ore, Enrique A. Carrasco, Juan J. Soria, Enrique D. Rojo, Carlos E. Saavedra, Elías M. Ovalle, Sulamita M. Ramos, Helen C. Meza, Giancarlo E. Mayhuire, Pedro Quispe, Eduardo Vigo, and Orlando Poma
Ann. Geophys., 43, 739–753, https://doi.org/10.5194/angeo-43-739-2025,https://doi.org/10.5194/angeo-43-739-2025, 2025 | 8,797 views
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05 Mar 2026
Variability and trend analysis of temperature and height in the upper troposphere and stratosphere region over the tropics (Réunion), by combining balloon-sonde and satellite measurements
Gregori de Arruda Moreira, Hassan Bencherif, Tristan Millet, and Damaris Kirsch Pinheiro
Ann. Geophys., 44, 195–207, https://doi.org/10.5194/angeo-44-195-2026,https://doi.org/10.5194/angeo-44-195-2026, 2026 | 8,441 views
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12 Jan 2026
Time-dependent modeling of Alfvénic precipitation observed in the ionosphere
Etienne Gavazzi, Andres Spicher, Björn Gustavsson, James Clemmons, Robert Pfaff, and Douglas Rowland
Ann. Geophys., 44, 1–15, https://doi.org/10.5194/angeo-44-1-2026,https://doi.org/10.5194/angeo-44-1-2026, 2026 | 8,361 views
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17 Feb 2026
Effect of Ionospheric Variability on the Electron Energy Spectrum estimated from Incoherent Scatter Radar Measurements
Oliver Stalder, Björn Gustavsson, and Ilkka Virtanen
Ann. Geophys., 44, 123–135, https://doi.org/10.5194/angeo-44-123-2026,https://doi.org/10.5194/angeo-44-123-2026, 2026 | 8,297 views
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20 Oct 2025
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Effects of geomagnetic mirror force and pitch angles of precipitating electrons on ionization of the polar upper atmosphere
Tomotaka M. Tanaka, Yasunobu Ogawa, Yuto Katoh, Mizuki Fukizawa, Anton Artemyev, Vassilis Angelopoulos, Xiao-Jia Zhang, Yoshimasa Tanaka, and Akira Kadokura
Ann. Geophys., 43, 621–631, https://doi.org/10.5194/angeo-43-621-2025,https://doi.org/10.5194/angeo-43-621-2025, 2025 | 8,242 views
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16 Mar 2026
The impact of electron precipitation on Earth's thermospheric NO production and the drag of LEO satellites
Manuel Scherf, Sandro Krauss, Grigory Tsurikov, Andreas Strasser, Valery Shematovich, Dmitry Bisikalo, Helmut Lammer, Manuel Güdel, and Christian Möstl
Ann. Geophys., 44, 209–225, https://doi.org/10.5194/angeo-44-209-2026,https://doi.org/10.5194/angeo-44-209-2026, 2026 | 8,042 views
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03 Jul 2025
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First observations of continuum emission in dayside aurora
Noora Partamies, Rowan Dayton-Oxland, Katie Herlingshaw, Ilkka Virtanen, Bea Gallardo-Lacourt, Mikko Syrjäsuo, Fred Sigernes, Takanori Nishiyama, Toshi Nishimura, Mathieu Barthelemy, Anasuya Aruliah, Daniel Whiter, Lena Mielke, Maxime Grandin, Eero Karvinen, Marjan Spijkers, and Vincent E. Ledvina
Ann. Geophys., 43, 349–367, https://doi.org/10.5194/angeo-43-349-2025,https://doi.org/10.5194/angeo-43-349-2025, 2025 | 7,980 views
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09 Apr 2026
Subauroral contamination in POES/Metop TED channels
Jan Maik Wissing, Olesya Yakovchuk, Stefan Bender, and Christina Arras
Ann. Geophys., 44, 263–285, https://doi.org/10.5194/angeo-44-263-2026,https://doi.org/10.5194/angeo-44-263-2026, 2026 | 7,501 views
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27 Jun 2025
Indications for particle precipitation impact on the ion-neutral collision frequency analyzed with EISCAT measurements
Florian Günzkofer, Gunter Stober, Johan Kero, David R. Themens, Anders Tjulin, Njål Gulbrandsen, Masaki Tsutsumi, and Claudia Borries
Ann. Geophys., 43, 331–348, https://doi.org/10.5194/angeo-43-331-2025,https://doi.org/10.5194/angeo-43-331-2025, 2025 | 7,231 views
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10 Feb 2026
Data reduction of incoherent scatter plasma line parameters
Mini Gupta and Patrick Guio
Ann. Geophys., 44, 109–122, https://doi.org/10.5194/angeo-44-109-2026,https://doi.org/10.5194/angeo-44-109-2026, 2026 | 6,219 views
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15 Jul 2025
Ion beam instability model for Mercury's upstream waves
Yasuhito Narita, Daniel Schmid, and Uwe Motschmann
Ann. Geophys., 43, 417–425, https://doi.org/10.5194/angeo-43-417-2025,https://doi.org/10.5194/angeo-43-417-2025, 2025 | 5,539 views
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16 Jul 2025
TIMED Doppler Interferometer measurements of neutral winds at the mesosphere and lower thermosphere and comparison to meteor radar winds
Arthur Gauthier, Claudia Borries, Alexander Kozlovsky, Diego Janches, Peter Brown, Denis Vida, Christoph Jacobi, Damian Murphy, Masaki Tsutsumi, Njål Gulbrandsen, Satonori Nozawa, Mark Lester, Johan Kero, Nicholas Mitchell, Tracy Moffat-Griffin, and Gunter Stober
Ann. Geophys., 43, 427–440, https://doi.org/10.5194/angeo-43-427-2025,https://doi.org/10.5194/angeo-43-427-2025, 2025 | 5,381 views
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11 Jul 2025
Diurnal, seasonal, and annual variations of the fair-weather atmospheric potential gradient and effects of reduced number concentration of condensation nuclei on potential gradient and air conductivity from long-term atmospheric electricity measurements at Świder, Poland
Izabela Pawlak, Anna Odzimek, Daniel Kȩpski, and José Tacza
Ann. Geophys., 43, 391–416, https://doi.org/10.5194/angeo-43-391-2025,https://doi.org/10.5194/angeo-43-391-2025, 2025 | 5,325 views
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08 Sep 2025
Effect of interplanetary shock waves on turbulence parameters
Emilia Kilpua, Simon Good, Juska Soljento, Domenico Trotta, Tia Bäcker, Julia Ruohotie, Jens Pomoell, Chaitanya Sishtla, and Rami Vainio
Ann. Geophys., 43, 489–510, https://doi.org/10.5194/angeo-43-489-2025,https://doi.org/10.5194/angeo-43-489-2025, 2025 | 5,182 views
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16 Sep 2025
Observations of traveling ionospheric disturbances driven by gravity waves from sources in the upper and lower atmosphere
Paul Prikryl, David R. Themens, Jaroslav Chum, Shibaji Chakraborty, Robert G. Gillies, and James M. Weygand
Ann. Geophys., 43, 511–534, https://doi.org/10.5194/angeo-43-511-2025,https://doi.org/10.5194/angeo-43-511-2025, 2025 | 5,153 views
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01 Aug 2025
Variations in the magnetic declination at mid-latitude European stations during the Carrington-like event on 29 October 2003
Fridrich Valach, Magdaléna Váczyová, and Eduard Koči
Ann. Geophys., 43, 441–445, https://doi.org/10.5194/angeo-43-441-2025,https://doi.org/10.5194/angeo-43-441-2025, 2025 | 4,979 views
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10 Jul 2025
Distinct ionospheric long-term trends in Antarctica due to the Weddell Sea Anomaly
Marayén Canales, Trinidad Duran, Manuel Bravo, Andriy Zalizovski, and Alberto Foppiano
Ann. Geophys., 43, 383–390, https://doi.org/10.5194/angeo-43-383-2025,https://doi.org/10.5194/angeo-43-383-2025, 2025 | 4,950 views
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03 Jul 2025
Modeling magnetopause location for 4D drift-resolved radiation belt codes: Salammbô model implementation
Rabia Kiraz, Nour Dahmen, Vincent Maget, and Benoit Lavraud
Ann. Geophys., 43, 369–382, https://doi.org/10.5194/angeo-43-369-2025,https://doi.org/10.5194/angeo-43-369-2025, 2025 | 4,737 views
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28 Aug 2025
Global evolution of flux transfer events along the magnetopause from the dayside to the far tail
Yann Pfau-Kempf, Konstantinos Papadakis, Markku Alho, Markus Battarbee, Giulia Cozzani, Lauri Pänkäläinen, Urs Ganse, Fasil Kebede, Jonas Suni, Konstantinos Horaites, Maxime Grandin, and Minna Palmroth
Ann. Geophys., 43, 469–488, https://doi.org/10.5194/angeo-43-469-2025,https://doi.org/10.5194/angeo-43-469-2025, 2025 | 4,731 views
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22 Oct 2025
Cloudiness retrieved from All-Sky camera and MSG satellite over Reunion Island and Antananarivo Madagascar
Jean-Marcel Rivonirina, Thierry Portafaix, Solofoarisoa Rakotoniaina, Béatrice Morel, Chao Tang, Kévin Lamy, Marie Lothon, Tom Toulouse, Olivier Liandrat, Solofo Rakotondraompiana, and Hassan Bencherif
Ann. Geophys., 43, 651–666, https://doi.org/10.5194/angeo-43-651-2025,https://doi.org/10.5194/angeo-43-651-2025, 2025 | 4,653 views
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27 Aug 2025
Small-scale and mesoscale field-aligned auroral current structures: their spatial and temporal characteristics deduced by the Swarm constellation
Hermann Lühr and Yun-Liang Zhou
Ann. Geophys., 43, 447–468, https://doi.org/10.5194/angeo-43-447-2025,https://doi.org/10.5194/angeo-43-447-2025, 2025 | 4,462 views
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15 Dec 2025
Parameterization of the subsolar standoff distance of Earth's magnetopause based on results from machine learning
Lars Klingenstein, Niklas Grimmich, Yuri Y. Shprits, Adrian Pöppelwerth, and Ferdinand Plaschke
Ann. Geophys., 43, 835–854, https://doi.org/10.5194/angeo-43-835-2025,https://doi.org/10.5194/angeo-43-835-2025, 2025 | 4,373 views
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29 May 2026
New technique for isolating the auroral contribution in UV imagery: IMF By dependence of seasonal differences in auroral oval location during positive IMF Bz
Jens Christian Hessen, Jone Peter Reistad, Spencer Mark Hatch, Karl Magnus Laundal, and Yongliang Zhang
Ann. Geophys., 44, 405–433, https://doi.org/10.5194/angeo-44-405-2026,https://doi.org/10.5194/angeo-44-405-2026, 2026 | 4,172 views
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17 Jun 2025
Deterministic chaos in modulated multi-cell drifts of localized lower-hybrid oscillations excited by high-frequency waves in the ionosphere
Thomas B. Leyser
Ann. Geophys., 43, 319–329, https://doi.org/10.5194/angeo-43-319-2025,https://doi.org/10.5194/angeo-43-319-2025, 2025 | 3,885 views
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01 Oct 2025
Modulation of cosmic-ray ground-level enhancements by solar-wind stream interfaces: a case study
Olakunle Ogunjobi and William Tafon Sivla
Ann. Geophys., 43, 579–592, https://doi.org/10.5194/angeo-43-579-2025,https://doi.org/10.5194/angeo-43-579-2025, 2025 | 3,612 views
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30 Jan 2026
Solar wind driving of the auroral outflow during the 23–26 September 1998 storm
Kai Zhao, Lynn M. Kistler, Eric J. Lund, Niloufar Nowrouzi, Christopher G. Mouikis, and Naritoshi Kitamura
Ann. Geophys., 44, 47–61, https://doi.org/10.5194/angeo-44-47-2026,https://doi.org/10.5194/angeo-44-47-2026, 2026 | 3,427 views
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01 Oct 2025
A Nonlinear Generalized Boussinesq Equation ((2+1)-D) for Rossby-Khantadze Waves
Laila Zafar Kahlon, Tamaz David Kaladze, Hassan Amir Shah, Taimoor Zaka, and Syed Assad Ul Azeem Bukhari
Ann. Geophys., 43, 549–559, https://doi.org/10.5194/angeo-43-549-2025,https://doi.org/10.5194/angeo-43-549-2025, 2025 | 3,247 views
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08 Apr 2026
Benchmarking the Swedish Power Grid Against a 1-in-100-Year Geoelectric Field Scenario
Vanina Lanabere, Andrew P. Dimmock, Sven Molenkamp Venholen, Alice V. L. Wallner, Andreas Johlander, Lisa Rosenqvist, and Johan Setréus
Ann. Geophys., 44, 245–261, https://doi.org/10.5194/angeo-44-245-2026,https://doi.org/10.5194/angeo-44-245-2026, 2026 | 2,959 views
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03 Feb 2026
Observations of fragmented aurora-like emissions and picket fence on the poleward edge of the auroral oval
Sota Nanjo, Katie Herlingshaw, Tima Sergienko, Gaël Cessateur, Noora Partamies, Magnar G. Johnsen, Keisuke Hosokawa, Hervé Lamy, Yasunobu Ogawa, Antti Kero, Shin-ichiro Oyama, and Masatoshi Yamauchi
Ann. Geophys., 44, 63–84, https://doi.org/10.5194/angeo-44-63-2026,https://doi.org/10.5194/angeo-44-63-2026, 2026 | 2,953 views
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19 May 2026
High-latitude MSTIDs over the EISCAT-3D site: solar activity and seasonal dependency
Rahul Rathi, Adrian Grocott, Tim K. Yeoman, and Mark Lester
Ann. Geophys., 44, 353–368, https://doi.org/10.5194/angeo-44-353-2026,https://doi.org/10.5194/angeo-44-353-2026, 2026 | 2,815 views
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22 Sep 2025
Study of temperature anisotropy and kappa distribution impacts on EMIC waves in multi-species magnetized plasma
Rahul Bhaisaniya and Ganpat Ahirwar
Ann. Geophys., 43, 535–547, https://doi.org/10.5194/angeo-43-535-2025,https://doi.org/10.5194/angeo-43-535-2025, 2025 | 2,740 views
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23 Apr 2026
Next-generation Ionospheric Model for Operations – validation and demonstration for space weather and research
Angeline G. Burrell, Sarah McDonald, Dustin Hickey, Meghan Burleigh, Eliana Nossa, Christopher A. Metzler, Manbharat Dhadly, Jennifer L. Tate, and Ellen J. Wagner
Ann. Geophys., 44, 303–329, https://doi.org/10.5194/angeo-44-303-2026,https://doi.org/10.5194/angeo-44-303-2026, 2026 | 2,683 views
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