The following lists the recent preprints posted on EGUsphere with ANGEO-related topics, the recent preprints posted in ANGEO’s discussion forum, as well as final revised papers published recently in ANGEO.
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
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11 Jul 2025
Plasma Density Estimation from Ionograms and Geophysical Parameters with Deep Learning
Kian Sartipzadeh, Andreas Kvammen, Björn Gustavsson, Njål Gulbrandsen, Magnar Gullikstad Johnsen, Devin Huyghebaert, and Juha Vierinen
EGUsphere, https://doi.org/10.5194/egusphere-2025-3070,https://doi.org/10.5194/egusphere-2025-3070, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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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
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08 Jul 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
EGUsphere, https://doi.org/10.5194/egusphere-2025-3155,https://doi.org/10.5194/egusphere-2025-3155, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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07 Jul 2025
Ionospheric signatures of Bursty Bulk Flows in the 6D Vlasiator simulations
Abiyot Bires 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
EGUsphere, https://doi.org/10.5194/egusphere-2025-2282,https://doi.org/10.5194/egusphere-2025-2282, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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07 Jul 2025
Spatiotemporal Recurrence Pattern of Earth’s Polar Cap Variation During Geomagnetic Storms
Irewola Aaron Oludehinwa, Olasunkanmi Isaac Olusola, Andrei Velichko, and Rose Anoke-Uzosike
EGUsphere, https://doi.org/10.5194/egusphere-2025-2810,https://doi.org/10.5194/egusphere-2025-2810, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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07 Jul 2025
A comparison of methods to compute the rate of horizontal geomagnetic field variation
Samuel Andrew Fielding, Phillip W. Livermore, Ciarán D. Beggan, Kathryn A. Whaler, and Gemma S. Richardson
EGUsphere, https://doi.org/10.5194/egusphere-2025-2857,https://doi.org/10.5194/egusphere-2025-2857, 2025
Preprint under review for ANGEO (discussion: open, 2 comments)
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04 Jul 2025
Responses of the 14 October 2023 annular solar eclipse observed in satellite temperature profiles
Ana Roberta Paulino, Igo Paulino, and José Augusto Pereira
EGUsphere, https://doi.org/10.5194/egusphere-2025-3085,https://doi.org/10.5194/egusphere-2025-3085, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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03 Jul 2025
| Highlight paper
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
Short summary Editor-in-chief
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
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01 Jul 2025
Globally- and Hemispherically-Integrated Joule heating rates during the 17 March 2015 geomagnetic storm, according to Physics-based and Empirical Models
Stelios Tourgaidis, Dimitrios Baloukidis, Panagiotis Pirnaris, Theodoros Sarris, Aaron Ridley, and Gang Lu
EGUsphere, https://doi.org/10.5194/egusphere-2025-2679,https://doi.org/10.5194/egusphere-2025-2679, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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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
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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
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13 Jun 2025
Global Inductive Magnetosphere-Ionosphere-Thermosphere Coupling
Karl M. Laundal, Andreas S. Skeidsvoll, Beatrice Popescu Braileanu, Spencer M. Hatch, Nils Olsen, and Heikki Vanhamäki
EGUsphere, https://doi.org/10.5194/egusphere-2025-2051,https://doi.org/10.5194/egusphere-2025-2051, 2025
Preprint under review for ANGEO (discussion: open, 2 comments)
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11 Jun 2025
| Highlight paper
Leaping and vortex motion of the shock aurora toward the late evening sector observed on 26 February 2023
Sota Nanjo, Masatoshi Yamauchi, Magnar Gullikstad Johnsen, Yoshihiro Yokoyama, Urban Brändström, Yasunobu Ogawa, Anna Naemi Willer, and Keisuke Hosokawa
Ann. Geophys., 43, 303–317, https://doi.org/10.5194/angeo-43-303-2025,https://doi.org/10.5194/angeo-43-303-2025, 2025
Short summary Editor-in-chief
10 Jun 2025
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
EGUsphere, https://doi.org/10.5194/egusphere-2025-2265,https://doi.org/10.5194/egusphere-2025-2265, 2025
Preprint under review for ANGEO (discussion: open, 1 comment)
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03 Jun 2025
A statistical study of the O2Atm(0-0) aurora observed by the Swedish satellite MATS
Judit Pérez-Coll Jiménez, Nickolay Ivchenko, Ceona Lindstein, Lukas Krasauskas, Jonas Hedin, Donal Patrick Murtagh, Linda Megner, Björn Linder, and Jörg Gumbel
EGUsphere, https://doi.org/10.5194/egusphere-2025-2324,https://doi.org/10.5194/egusphere-2025-2324, 2025
Preprint under review for ANGEO (discussion: open, 1 comment)
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03 Jun 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
EGUsphere, https://doi.org/10.5194/egusphere-2025-2394,https://doi.org/10.5194/egusphere-2025-2394, 2025
Preprint under review for ANGEO (discussion: open, 2 comments)
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28 May 2025
Effect of Ionospheric Variability on the Electron Energy Spectrum estimated from Incoherent Scatter Radar Measurements
Oliver Stalder, Björn Gustavsson, and Ilkka Virtanen
EGUsphere, https://doi.org/10.5194/egusphere-2025-2340,https://doi.org/10.5194/egusphere-2025-2340, 2025
Preprint under review for ANGEO (discussion: open, 1 comment)
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27 May 2025
Estimation of the 3-D geoelectric field at the Earth's surface using spherical elementary current systems
Liisa Juusola, Heikki Vanhamäki, Elena Marshalko, Mikhail Kruglyakov, and Ari Viljanen
Ann. Geophys., 43, 271–301, https://doi.org/10.5194/angeo-43-271-2025,https://doi.org/10.5194/angeo-43-271-2025, 2025
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26 May 2025
The cause of the 100,000-year geomagnetic and climate cycles
Koen Vogel
External preprint server, https://doi.org/10.22541/essoar.174344800.02936683/v2,https://doi.org/10.22541/essoar.174344800.02936683/v2, 2025
Preprint under review for ANGEO (discussion: open, 7 comments)
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21 May 2025
Observing mesoscale dynamics with multistatic specular meteor radars: first climatology of momentum flux, horizontal divergence and relative vorticity over central Europe
J. Federico Conte, Jorge L. Chau, Toralf Renkwitz, Ralph Latteck, Masaki Tsutsumi, Christoph Jacobi, Njål Gulbrandsen, and Satonori Nozawa
EGUsphere, https://doi.org/10.5194/egusphere-2025-1996,https://doi.org/10.5194/egusphere-2025-1996, 2025
Preprint under review for ANGEO (discussion: open, 6 comments)
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20 May 2025
A critical review and presentation of the complete, historic series of K indices as determined at Norwegian magnetic observatories since 1939
Ingeborg Frøystein and Magnar Gullikstad Johnsen
Ann. Geophys., 43, 241–269, https://doi.org/10.5194/angeo-43-241-2025,https://doi.org/10.5194/angeo-43-241-2025, 2025
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20 May 2025
Time-dependent modeling of Alfvénic precipitation observed in the ionosphere
Etienne Gavazzi, Andres Spicher, Björn Gustavsson, James Clemmons, Robert Pfaff, and Douglas Rowland
EGUsphere, https://doi.org/10.5194/egusphere-2025-2098,https://doi.org/10.5194/egusphere-2025-2098, 2025
Preprint under review for ANGEO (discussion: open, 0 comments)
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19 May 2025
Properties of large-amplitude kilometer-scale field-aligned currents at auroral latitudes, as derived from Swarm satellites
Yun-Liang Zhou and Hermann Lühr
EGUsphere, https://doi.org/10.5194/egusphere-2025-1961,https://doi.org/10.5194/egusphere-2025-1961, 2025
Preprint under review for ANGEO (discussion: final response, 2 comments)
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