Volume 38, 2020

Volume 38, 2020

02 Jan 2020
Surveying pulsating auroras
Eric Grono and Eric Donovan
Ann. Geophys., 38, 1–8, https://doi.org/10.5194/angeo-38-1-2020,https://doi.org/10.5194/angeo-38-1-2020, 2020
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03 Jan 2020
Quasi-10 d wave modulation of an equatorial ionization anomaly during the Southern Hemisphere stratospheric warming of 2002
Xiaohua Mo and Donghe Zhang
Ann. Geophys., 38, 9–16, https://doi.org/10.5194/angeo-38-9-2020,https://doi.org/10.5194/angeo-38-9-2020, 2020
03 Jan 2020
Overshoot dependence on the cross-shock potential
Michael Gedalin, Xiaoyan Zhou, Christopher T. Russell, and Vassilis Angelopoulos
Ann. Geophys., 38, 17–26, https://doi.org/10.5194/angeo-38-17-2020,https://doi.org/10.5194/angeo-38-17-2020, 2020
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06 Jan 2020
Ionospheric total electron content responses to HILDCAA intervals
Regia Pereira da Silva, Clezio Marcos Denardini, Manilo Soares Marques, Laysa Cristina Araujo Resende, Juliano Moro, Giorgio Arlan da Silva Picanço, Gilvan Luiz Borba, and Marcos Aurelio Ferreira dos Santos
Ann. Geophys., 38, 27–34, https://doi.org/10.5194/angeo-38-27-2020,https://doi.org/10.5194/angeo-38-27-2020, 2020
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07 Jan 2020
Latitudinal variation of Pc3–Pc5 geomagnetic pulsation amplitude across the dip equator in central South America
Graziela B. D. Silva, Antonio L. Padilha, and Livia R. Alves
Ann. Geophys., 38, 35–49, https://doi.org/10.5194/angeo-38-35-2020,https://doi.org/10.5194/angeo-38-35-2020, 2020
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15 Jan 2020
On the magnetic characteristics of magnetic holes in the solar wind between Mercury and Venus
Martin Volwerk, Charlotte Goetz, Ferdinand Plaschke, Tomas Karlsson, Daniel Heyner, and Brian Anderson
Ann. Geophys., 38, 51–60, https://doi.org/10.5194/angeo-38-51-2020,https://doi.org/10.5194/angeo-38-51-2020, 2020
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16 Jan 2020
Stratospheric observations of noctilucent clouds: a new approach in studying middle- and large-scale mesospheric dynamics
Peter Dalin, Nikolay Pertsev, Vladimir Perminov, Denis Efremov, and Vitaly Romejko
Ann. Geophys., 38, 61–71, https://doi.org/10.5194/angeo-38-61-2020,https://doi.org/10.5194/angeo-38-61-2020, 2020
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17 Jan 2020
Evidence of vertical coupling: meteorological storm Fabienne on 23 September 2018 and its related effects observed up to the ionosphere
Petra Koucká Knížová, Kateřina Podolská, Kateřina Potužníková, Daniel Kouba, Zbyšek Mošna, Josef Boška, and Michal Kozubek
Ann. Geophys., 38, 73–93, https://doi.org/10.5194/angeo-38-73-2020,https://doi.org/10.5194/angeo-38-73-2020, 2020
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23 Jan 2020
Impact of local gravity wave forcing in the lower stratosphere on the polar vortex stability: effect of longitudinal displacement
Nadja Samtleben, Aleš Kuchař, Petr Šácha, Petr Pišoft, and Christoph Jacobi
Ann. Geophys., 38, 95–108, https://doi.org/10.5194/angeo-38-95-2020,https://doi.org/10.5194/angeo-38-95-2020, 2020
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27 Jan 2020
Estimation of the westward auroral electrojet current using sparse magnetometer chain data
Marina A. Evdokimova and Anatoli A. Petrukovich
Ann. Geophys., 38, 109–121, https://doi.org/10.5194/angeo-38-109-2020,https://doi.org/10.5194/angeo-38-109-2020, 2020
29 Jan 2020
Magnetospheric Multiscale observations of energetic oxygen ions at the duskside magnetopause during intense substorms
Chen Zeng, Suping Duan, Chi Wang, Lei Dai, Stephen Fuselier, James Burch, Roy Torbert, Barbara Giles, and Christopher Russell
Ann. Geophys., 38, 123–135, https://doi.org/10.5194/angeo-38-123-2020,https://doi.org/10.5194/angeo-38-123-2020, 2020
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29 Jan 2020
Earth's radiation belts' ions: patterns of the spatial-energy structure and its solar-cyclic variations
Alexander S. Kovtyukh
Ann. Geophys., 38, 137–147, https://doi.org/10.5194/angeo-38-137-2020,https://doi.org/10.5194/angeo-38-137-2020, 2020
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30 Jan 2020
Spatial and seasonal effects on the delayed ionospheric response to solar EUV changes
Erik Schmölter, Jens Berdermann, Norbert Jakowski, and Christoph Jacobi
Ann. Geophys., 38, 149–162, https://doi.org/10.5194/angeo-38-149-2020,https://doi.org/10.5194/angeo-38-149-2020, 2020
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05 Feb 2020
Equatorial plasma bubbles developing around sunrise observed by an all-sky imager and global navigation satellite system network during storm time
Kun Wu, Jiyao Xu, Xinan Yue, Chao Xiong, Wenbin Wang, Wei Yuan, Chi Wang, Yajun Zhu, and Ji Luo
Ann. Geophys., 38, 163–177, https://doi.org/10.5194/angeo-38-163-2020,https://doi.org/10.5194/angeo-38-163-2020, 2020
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06 Feb 2020
Observing geometry effects on a Global Navigation Satellite System (GNSS)-based water vapor tomography solved by least squares and by compressive sensing
Marion Heublein, Patrick Erik Bradley, and Stefan Hinz
Ann. Geophys., 38, 179–189, https://doi.org/10.5194/angeo-38-179-2020,https://doi.org/10.5194/angeo-38-179-2020, 2020
07 Feb 2020
Swarm field-aligned currents during a severe magnetic storm of September 2017
Renata Lukianova
Ann. Geophys., 38, 191–206, https://doi.org/10.5194/angeo-38-191-2020,https://doi.org/10.5194/angeo-38-191-2020, 2020
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10 Feb 2020
Model of the propagation of very low-frequency beams in the Earth–ionosphere waveguide: principles of the tensor impedance method in multi-layered gyrotropic waveguides
Yuriy Rapoport, Vladimir Grimalsky, Viktor Fedun, Oleksiy Agapitov, John Bonnell, Asen Grytsai, Gennadi Milinevsky, Alex Liashchuk, Alexander Rozhnoi, Maria Solovieva, and Andrey Gulin
Ann. Geophys., 38, 207–230, https://doi.org/10.5194/angeo-38-207-2020,https://doi.org/10.5194/angeo-38-207-2020, 2020
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19 Feb 2020
Early morning peaks in the diurnal cycle of precipitation over the northern coast of West Java and possible influencing factors
Erma Yulihastin, Tri Wahyu Hadi, Nining Sari Ningsih, and Muhammad Ridho Syahputra
Ann. Geophys., 38, 231–242, https://doi.org/10.5194/angeo-38-231-2020,https://doi.org/10.5194/angeo-38-231-2020, 2020
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19 Feb 2020
Traits of sub-kilometre F-region irregularities as seen with the Swarm satellites
Sharon Aol, Stephan Buchert, and Edward Jurua
Ann. Geophys., 38, 243–261, https://doi.org/10.5194/angeo-38-243-2020,https://doi.org/10.5194/angeo-38-243-2020, 2020
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25 Feb 2020
Plasma transport into the duskside magnetopause caused by Kelvin–Helmholtz vortices in response to the northward turning of the interplanetary magnetic field observed by THEMIS
Guang Qing Yan, George K. Parks, Chun Lin Cai, Tao Chen, James P. McFadden, and Yong Ren
Ann. Geophys., 38, 263–273, https://doi.org/10.5194/angeo-38-263-2020,https://doi.org/10.5194/angeo-38-263-2020, 2020
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02 Mar 2020
A multi-fluid model of the magnetopause
Roberto Manuzzo, Francesco Califano, Gerard Belmont, and Laurence Rezeau
Ann. Geophys., 38, 275–286, https://doi.org/10.5194/angeo-38-275-2020,https://doi.org/10.5194/angeo-38-275-2020, 2020
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02 Mar 2020
| Highlight paper
On the alignment of velocity and magnetic fields within magnetosheath jets
Ferdinand Plaschke, Maria Jernej, Heli Hietala, and Laura Vuorinen
Ann. Geophys., 38, 287–296, https://doi.org/10.5194/angeo-38-287-2020,https://doi.org/10.5194/angeo-38-287-2020, 2020
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06 Mar 2020
Electron heating by HF pumping of high-latitude ionospheric F-region plasma near magnetic zenith
Thomas B. Leyser, Björn Gustavsson, Theresa Rexer, and Michael T. Rietveld
Ann. Geophys., 38, 297–307, https://doi.org/10.5194/angeo-38-297-2020,https://doi.org/10.5194/angeo-38-297-2020, 2020
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10 Mar 2020
Roles of electrons and ions in formation of the current in mirror-mode structures in the terrestrial plasma sheet: Magnetospheric Multiscale observations
Guoqiang Wang, Tielong Zhang, Mingyu Wu, Daniel Schmid, Yufei Hao, and Martin Volwerk
Ann. Geophys., 38, 309–318, https://doi.org/10.5194/angeo-38-309-2020,https://doi.org/10.5194/angeo-38-309-2020, 2020
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13 Mar 2020
Relation between the interannual variability in the stratospheric Rossby wave forcing and zonal mean fields suggesting an interhemispheric link in the stratosphere
Yuki Matsushita, Daiki Kado, Masashi Kohma, and Kaoru Sato
Ann. Geophys., 38, 319–329, https://doi.org/10.5194/angeo-38-319-2020,https://doi.org/10.5194/angeo-38-319-2020, 2020
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16 Mar 2020
Global total electron content prediction performance assessment of the IRI-2016 model based on empirical orthogonal function decomposition
Shuhui Li, Jiajia Xu, Houxiang Zhou, Jinglei Zhang, Zeyuan Xu, and Mingqiang Xie
Ann. Geophys., 38, 331–345, https://doi.org/10.5194/angeo-38-331-2020,https://doi.org/10.5194/angeo-38-331-2020, 2020
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18 Mar 2020
Ionosonde total electron content evaluation using International Global Navigation Satellite System Service data
Telmo dos Santos Klipp, Adriano Petry, Jonas Rodrigues de Souza, Eurico Rodrigues de Paula, Gabriel Sandim Falcão, and Haroldo Fraga de Campos Velho
Ann. Geophys., 38, 347–357, https://doi.org/10.5194/angeo-38-347-2020,https://doi.org/10.5194/angeo-38-347-2020, 2020
20 Mar 2020
Response of the low- to mid-latitude ionosphere to the geomagnetic storm of September 2017
Nadia Imtiaz, Waqar Younas, and Majid Khan
Ann. Geophys., 38, 359–372, https://doi.org/10.5194/angeo-38-359-2020,https://doi.org/10.5194/angeo-38-359-2020, 2020
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23 Mar 2020
Local stratopause temperature variabilities and their embedding in the global context
Ronald Eixmann, Vivien Matthias, Josef Höffner, Gerd Baumgarten, and Michael Gerding
Ann. Geophys., 38, 373–383, https://doi.org/10.5194/angeo-38-373-2020,https://doi.org/10.5194/angeo-38-373-2020, 2020
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24 Mar 2020
Characterization of gravity waves in the lower ionosphere using very low frequency observations at Comandante Ferraz Brazilian Antarctic Station
Emilia Correia, Luis Tiago Medeiros Raunheitte, José Valentin Bageston, and Dino Enrico D'Amico
Ann. Geophys., 38, 385–394, https://doi.org/10.5194/angeo-38-385-2020,https://doi.org/10.5194/angeo-38-385-2020, 2020
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26 Mar 2020
Statistical analysis of the long-range transport of the 2015 Calbuco volcanic plume from ground-based and space-borne observations
Nelson Bègue, Lerato Shikwambana, Hassan Bencherif, Juan Pallotta, Venkataraman Sivakumar, Elian Wolfram, Nkanyiso Mbatha, Facundo Orte, David Jean Du Preez, Marion Ranaivombola, Stuart Piketh, and Paola Formenti
Ann. Geophys., 38, 395–420, https://doi.org/10.5194/angeo-38-395-2020,https://doi.org/10.5194/angeo-38-395-2020, 2020
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31 Mar 2020
Migrating and non-migrating tides observed in the stratosphere from FORMOSAT-3/COSMIC temperature retrievals
Uma Das, William E. Ward, Chen Jeih Pan, and Sanat Kumar Das
Ann. Geophys., 38, 421–435, https://doi.org/10.5194/angeo-38-421-2020,https://doi.org/10.5194/angeo-38-421-2020, 2020
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31 Mar 2020
Semimonthly oscillation observed in the start times of equatorial plasma bubbles
Igo Paulino, Ana Roberta Paulino, Ricardo Y. C. Cueva, Ebenezer Agyei-Yeboah, Ricardo Arlen Buriti, Hisao Takahashi, Cristiano Max Wrasse, Ângela M. Santos, Amauri Fragoso de Medeiros, and Inez S. Batista
Ann. Geophys., 38, 437–443, https://doi.org/10.5194/angeo-38-437-2020,https://doi.org/10.5194/angeo-38-437-2020, 2020
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03 Apr 2020
Structural characterization of the equatorial F region plasma irregularities in the multifractal context
Neelakshi Joshi, Reinaldo R. Rosa, Siomel Savio, Esfhan Alam Kherani, Francisco Carlos de Meneses, Stephan Stephany, and Polinaya Muralikrishna
Ann. Geophys., 38, 445–456, https://doi.org/10.5194/angeo-38-445-2020,https://doi.org/10.5194/angeo-38-445-2020, 2020
06 Apr 2020
Performance of the IRI-2016 over Santa Maria, a Brazilian low-latitude station located in the central region of the South American Magnetic Anomaly (SAMA)
Juliano Moro, Jiyao Xu, Clezio Marcos Denardini, Laysa Cristina Araújo Resende, Régia Pereira Silva, Sony Su Chen, Giorgio Arlan da Silva Picanço, Liu Zhengkuan, Hui Li, Chunxiao Yan, Chi Wang, and Nelson Jorge Schuch
Ann. Geophys., 38, 457–466, https://doi.org/10.5194/angeo-38-457-2020,https://doi.org/10.5194/angeo-38-457-2020, 2020
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07 Apr 2020
The increase in the curvature radius of geomagnetic field lines preceding a classical dipolarization
Osuke Saka
Ann. Geophys., 38, 467–479, https://doi.org/10.5194/angeo-38-467-2020,https://doi.org/10.5194/angeo-38-467-2020, 2020
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08 Apr 2020
AMPERE polar cap boundaries
Angeline G. Burrell, Gareth Chisham, Stephen E. Milan, Liam Kilcommons, Yun-Ju Chen, Evan G. Thomas, and Brian Anderson
Ann. Geophys., 38, 481–490, https://doi.org/10.5194/angeo-38-481-2020,https://doi.org/10.5194/angeo-38-481-2020, 2020
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08 Apr 2020
Estimating the fate of oxygen ion outflow from the high-altitude cusp
Patrik Krcelic, Stein Haaland, Lukas Maes, Rikard Slapak, and Audrey Schillings
Ann. Geophys., 38, 491–505, https://doi.org/10.5194/angeo-38-491-2020,https://doi.org/10.5194/angeo-38-491-2020, 2020
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16 Apr 2020
Investigation of sources of gravity waves observed in the Brazilian equatorial region on 8 April 2005
Oluwakemi Dare-Idowu, Igo Paulino, Cosme A. O. B. Figueiredo, Amauri F. Medeiros, Ricardo A. Buriti, Ana Roberta Paulino, and Cristiano M. Wrasse
Ann. Geophys., 38, 507–516, https://doi.org/10.5194/angeo-38-507-2020,https://doi.org/10.5194/angeo-38-507-2020, 2020
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20 Apr 2020
Stratification observed by the in situ plasma density measurements from the Swarm satellites
Xiuying Wang, Wanli Cheng, Zihan Zhou, Dehe Yang, Jing Cui, and Feng Guo
Ann. Geophys., 38, 517–526, https://doi.org/10.5194/angeo-38-517-2020,https://doi.org/10.5194/angeo-38-517-2020, 2020
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20 Apr 2020
Forcing mechanisms of the migrating quarterdiurnal tide
Christoph Geißler, Christoph Jacobi, and Friederike Lilienthal
Ann. Geophys., 38, 527–544, https://doi.org/10.5194/angeo-38-527-2020,https://doi.org/10.5194/angeo-38-527-2020, 2020
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21 Apr 2020
A note on the statistical evidence for an influence of geomagnetic activity on Northern Hemisphere seasonal-mean stratospheric temperatures using the Japanese 55-year Reanalysis
Nazario Tartaglione, Thomas Toniazzo, Yvan Orsolini, and Odd Helge Otterå
Ann. Geophys., 38, 545–555, https://doi.org/10.5194/angeo-38-545-2020,https://doi.org/10.5194/angeo-38-545-2020, 2020
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21 Apr 2020
Cosmic noise absorption signature of particle precipitation during interplanetary coronal mass ejection sheaths and ejecta
Emilia Kilpua, Liisa Juusola, Maxime Grandin, Antti Kero, Stepan Dubyagin, Noora Partamies, Adnane Osmane, Harriet George, Milla Kalliokoski, Tero Raita, Timo Asikainen, and Minna Palmroth
Ann. Geophys., 38, 557–574, https://doi.org/10.5194/angeo-38-557-2020,https://doi.org/10.5194/angeo-38-557-2020, 2020
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24 Apr 2020
Plasma density gradients at the edge of polar ionospheric holes: the absence of phase scintillation
Luke A. Jenner, Alan G. Wood, Gareth D. Dorrian, Kjellmar Oksavik, Timothy K. Yeoman, Alexandra R. Fogg, and Anthea J. Coster
Ann. Geophys., 38, 575–590, https://doi.org/10.5194/angeo-38-575-2020,https://doi.org/10.5194/angeo-38-575-2020, 2020
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29 Apr 2020
Localized total electron content enhancements in the Southern Hemisphere
Ilya K. Edemskiy
Ann. Geophys., 38, 591–601, https://doi.org/10.5194/angeo-38-591-2020,https://doi.org/10.5194/angeo-38-591-2020, 2020
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04 May 2020
A quasi-experimental coastal region eddy diffusivity applied in the APUGRID model
Silvana Maldaner, Michel Stefanello, Luis Gustavo N. Martins, Gervásio Annes Degrazia, Umberto Rizza, Débora Regina Roberti, Franciano S. Puhales, and Otávio C. Acevedo
Ann. Geophys., 38, 603–610, https://doi.org/10.5194/angeo-38-603-2020,https://doi.org/10.5194/angeo-38-603-2020, 2020
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13 May 2020
Occurrence climatology of equatorial plasma bubbles derived using FormoSat-3 ∕ COSMIC GPS radio occultation data
Ankur Kepkar, Christina Arras, Jens Wickert, Harald Schuh, Mahdi Alizadeh, and Lung-Chih Tsai
Ann. Geophys., 38, 611–623, https://doi.org/10.5194/angeo-38-611-2020,https://doi.org/10.5194/angeo-38-611-2020, 2020
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26 May 2020
Non-locality of Earth's quasi-parallel bow shock: injection of thermal protons in a hybrid-Vlasov simulation
Markus Battarbee, Urs Ganse, Yann Pfau-Kempf, Lucile Turc, Thiago Brito, Maxime Grandin, Tuomas Koskela, and Minna Palmroth
Ann. Geophys., 38, 625–643, https://doi.org/10.5194/angeo-38-625-2020,https://doi.org/10.5194/angeo-38-625-2020, 2020
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03 Jun 2020
The fate of O+ ions observed in the plasma mantle: particle tracing modelling and cluster observations
Audrey Schillings, Herbert Gunell, Hans Nilsson, Alexandre De Spiegeleer, Yusuke Ebihara, Lars G. Westerberg, Masatoshi Yamauchi, and Rikard Slapak
Ann. Geophys., 38, 645–656, https://doi.org/10.5194/angeo-38-645-2020,https://doi.org/10.5194/angeo-38-645-2020, 2020
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05 Jun 2020
Development of a formalism for computing in situ transits of Earth-directed CMEs – Part 2: Towards a forecasting tool
Pedro Corona-Romero and Pete Riley
Ann. Geophys., 38, 657–681, https://doi.org/10.5194/angeo-38-657-2020,https://doi.org/10.5194/angeo-38-657-2020, 2020
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09 Jun 2020
Outer radiation belt and inner magnetospheric response to sheath regions of coronal mass ejections: a statistical analysis
Milla M. H. Kalliokoski, Emilia K. J. Kilpua, Adnane Osmane, Drew L. Turner, Allison N. Jaynes, Lucile Turc, Harriet George, and Minna Palmroth
Ann. Geophys., 38, 683–701, https://doi.org/10.5194/angeo-38-683-2020,https://doi.org/10.5194/angeo-38-683-2020, 2020
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10 Jun 2020
From the Sun to Earth: effects of the 25 August 2018 geomagnetic storm
Mirko Piersanti, Paola De Michelis, Dario Del Moro, Roberta Tozzi, Michael Pezzopane, Giuseppe Consolini, Maria Federica Marcucci, Monica Laurenza, Simone Di Matteo, Alessio Pignalberi, Virgilio Quattrociocchi, and Piero Diego
Ann. Geophys., 38, 703–724, https://doi.org/10.5194/angeo-38-703-2020,https://doi.org/10.5194/angeo-38-703-2020, 2020
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16 Jun 2020
Comparison of quiet-time ionospheric total electron content from the IRI-2016 model and from gridded and station-level GPS observations
Gizaw Mengistu Tsidu and Mulugeta Melaku Zegeye
Ann. Geophys., 38, 725–748, https://doi.org/10.5194/angeo-38-725-2020,https://doi.org/10.5194/angeo-38-725-2020, 2020
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24 Jun 2020
Relation between the asymmetric ring current effect and the anti-sunward auroral currents, as deduced from CHAMP observations
Hermann Lühr and Yun-Liang Zhou
Ann. Geophys., 38, 749–764, https://doi.org/10.5194/angeo-38-749-2020,https://doi.org/10.5194/angeo-38-749-2020, 2020
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24 Jun 2020
Low-altitude frequency-banded equatorial emissions observed below the electron cyclotron frequency
Mohammed Y. Boudjada, Patrick H. M. Galopeau, Sami Sawas, Valery Denisenko, Konrad Schwingenschuh, Helmut Lammer, Hans U. Eichelberger, Werner Magnes, and Bruno Besser
Ann. Geophys., 38, 765–774, https://doi.org/10.5194/angeo-38-765-2020,https://doi.org/10.5194/angeo-38-765-2020, 2020
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24 Jun 2020
Ionospheric Pc1 waves during a storm recovery phase observed by the China Seismo-Electromagnetic Satellite
Xiaochen Gou, Lei Li, Yiteng Zhang, Bin Zhou, Yongyong Feng, Bingjun Cheng, Tero Raita, Ji Liu, Zeren Zhima, and Xuhui Shen
Ann. Geophys., 38, 775–787, https://doi.org/10.5194/angeo-38-775-2020,https://doi.org/10.5194/angeo-38-775-2020, 2020
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30 Jun 2020
| Highlight paper
Lower-thermosphere response to solar activity: an empirical-mode-decomposition analysis of GOCE 2009–2012 data
Alberto Bigazzi, Carlo Cauli, and Francesco Berrilli
Ann. Geophys., 38, 789–800, https://doi.org/10.5194/angeo-38-789-2020,https://doi.org/10.5194/angeo-38-789-2020, 2020
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07 Jul 2020
BeiDa Imaging Electron Spectrometer observation of multi-period electron flux modulation caused by localized ultra-low-frequency waves
Xingran Chen, Qiugang Zong, Hong Zou, Xuzhi Zhou, Li Li, Yixin Hao, and Yongfu Wang
Ann. Geophys., 38, 801–813, https://doi.org/10.5194/angeo-38-801-2020,https://doi.org/10.5194/angeo-38-801-2020, 2020
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08 Jul 2020
Nighttime O(1D) distributions in the mesopause region derived from SABER data
Mikhail Yu. Kulikov and Mikhail V. Belikovich
Ann. Geophys., 38, 815–822, https://doi.org/10.5194/angeo-38-815-2020,https://doi.org/10.5194/angeo-38-815-2020, 2020
10 Jul 2020
Magnetometer in-flight offset accuracy for the BepiColombo spacecraft
Daniel Schmid, Ferdinand Plaschke, Yasuhito Narita, Daniel Heyner, Johannes Z. D. Mieth, Brian J. Anderson, Martin Volwerk, Ayako Matsuoka, and Wolfgang Baumjohann
Ann. Geophys., 38, 823–832, https://doi.org/10.5194/angeo-38-823-2020,https://doi.org/10.5194/angeo-38-823-2020, 2020
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13 Jul 2020
Magnetic-local-time dependency of radiation belt electron precipitation: impact on ozone in the polar middle atmosphere
Pekka T. Verronen, Daniel R. Marsh, Monika E. Szeląg, and Niilo Kalakoski
Ann. Geophys., 38, 833–844, https://doi.org/10.5194/angeo-38-833-2020,https://doi.org/10.5194/angeo-38-833-2020, 2020
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14 Jul 2020
Horizontal electric fields from flow of auroral O+(2P) ions at sub-second temporal resolution
Sam Tuttle, Betty Lanchester, Björn Gustavsson, Daniel Whiter, Nickolay Ivchenko, Robert Fear, and Mark Lester
Ann. Geophys., 38, 845–859, https://doi.org/10.5194/angeo-38-845-2020,https://doi.org/10.5194/angeo-38-845-2020, 2020
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15 Jul 2020
Radar observability of near-Earth objects using EISCAT 3D
Daniel Kastinen, Torbjørn Tveito, Juha Vierinen, and Mikael Granvik
Ann. Geophys., 38, 861–879, https://doi.org/10.5194/angeo-38-861-2020,https://doi.org/10.5194/angeo-38-861-2020, 2020
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22 Jul 2020
Evaluation of possible corrosion enhancement due to telluric currents: case study of the Bolivia–Brazil pipeline
Joyrles Fernandes de Moraes, Igo Paulino, Lívia R. Alves, and Clezio Marcos Denardini
Ann. Geophys., 38, 881–888, https://doi.org/10.5194/angeo-38-881-2020,https://doi.org/10.5194/angeo-38-881-2020, 2020
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28 Jul 2020
Historical aurora borealis catalog for Anatolia and Constantinople (hABcAC) during the Eastern Roman Empire period: implications for past solar activity
Nafiz Maden
Ann. Geophys., 38, 889–899, https://doi.org/10.5194/angeo-38-889-2020,https://doi.org/10.5194/angeo-38-889-2020, 2020
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28 Jul 2020
Polar substorm on 7 December 2015: preonset phenomena and features of auroral breakup
Vladimir V. Safargaleev, Alexander E. Kozlovsky, and Valery M. Mitrofanov
Ann. Geophys., 38, 901–918, https://doi.org/10.5194/angeo-38-901-2020,https://doi.org/10.5194/angeo-38-901-2020, 2020
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03 Aug 2020
Dust sputtering within the inner heliosphere: a modelling study
Carsten Baumann, Margaretha Myrvang, and Ingrid Mann
Ann. Geophys., 38, 919–930, https://doi.org/10.5194/angeo-38-919-2020,https://doi.org/10.5194/angeo-38-919-2020, 2020
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28 Aug 2020
Outer Van Allen belt trapped and precipitating electron flux responses to two interplanetary magnetic clouds of opposite polarity
Harriet George, Emilia Kilpua, Adnane Osmane, Timo Asikainen, Milla M. H. Kalliokoski, Craig J. Rodger, Stepan Dubyagin, and Minna Palmroth
Ann. Geophys., 38, 931–951, https://doi.org/10.5194/angeo-38-931-2020,https://doi.org/10.5194/angeo-38-931-2020, 2020
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04 Sep 2020
Semiannual variation of Pc5 ultra-low frequency (ULF) waves and relativistic electrons over two solar cycles of observations: comparison with predictions of the classical hypotheses
Facundo L. Poblet, Francisco Azpilicueta, and Hing-Lan Lam
Ann. Geophys., 38, 953–968, https://doi.org/10.5194/angeo-38-953-2020,https://doi.org/10.5194/angeo-38-953-2020, 2020
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10 Sep 2020
The very low-frequency transmitter radio wave anomalies related to the 2010 Ms 7.1 Yushu earthquake observed by the DEMETER satellite and the possible mechanism
Shufan Zhao, XuHui Shen, Zeren Zhima, and Chen Zhou
Ann. Geophys., 38, 969–981, https://doi.org/10.5194/angeo-38-969-2020,https://doi.org/10.5194/angeo-38-969-2020, 2020
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15 Sep 2020
Induced currents due to 3D ground conductivity play a major role in the interpretation of geomagnetic variations
Liisa Juusola, Heikki Vanhamäki, Ari Viljanen, and Maxim Smirnov
Ann. Geophys., 38, 983–998, https://doi.org/10.5194/angeo-38-983-2020,https://doi.org/10.5194/angeo-38-983-2020, 2020
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16 Sep 2020
Magnetic field fluctuation properties of coronal mass ejection-driven sheath regions in the near-Earth solar wind
Emilia K. J. Kilpua, Dominique Fontaine, Simon W. Good, Matti Ala-Lahti, Adnane Osmane, Erika Palmerio, Emiliya Yordanova, Clement Moissard, Lina Z. Hadid, and Miho Janvier
Ann. Geophys., 38, 999–1017, https://doi.org/10.5194/angeo-38-999-2020,https://doi.org/10.5194/angeo-38-999-2020, 2020
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24 Sep 2020
Entangled dynamos and Joule heating in the Earth's ionosphere
Stephan C. Buchert
Ann. Geophys., 38, 1019–1030, https://doi.org/10.5194/angeo-38-1019-2020,https://doi.org/10.5194/angeo-38-1019-2020, 2020
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05 Oct 2020
Ionospheric anomalies associated with the Mw 7.3 Iran–Iraq border earthquake and a moderate magnetic storm
Erman Şentürk, Samed Inyurt, and İbrahim Sertçelik
Ann. Geophys., 38, 1031–1043, https://doi.org/10.5194/angeo-38-1031-2020,https://doi.org/10.5194/angeo-38-1031-2020, 2020
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06 Oct 2020
Asymmetries in the Earth's dayside magnetosheath: results from global hybrid-Vlasov simulations
Lucile Turc, Vertti Tarvus, Andrew P. Dimmock, Markus Battarbee, Urs Ganse, Andreas Johlander, Maxime Grandin, Yann Pfau-Kempf, Maxime Dubart, and Minna Palmroth
Ann. Geophys., 38, 1045–1062, https://doi.org/10.5194/angeo-38-1045-2020,https://doi.org/10.5194/angeo-38-1045-2020, 2020
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16 Oct 2020
Simultaneous ground-based and in situ Swarm observations of equatorial F-region irregularities over Jicamarca
Sharon Aol, Stephan Buchert, Edward Jurua, and Marco Milla
Ann. Geophys., 38, 1063–1080, https://doi.org/10.5194/angeo-38-1063-2020,https://doi.org/10.5194/angeo-38-1063-2020, 2020
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20 Oct 2020
Helium in the Earth's foreshock: a global Vlasiator survey
Markus Battarbee, Xóchitl Blanco-Cano, Lucile Turc, Primož Kajdič, Andreas Johlander, Vertti Tarvus, Stephen Fuselier, Karlheinz Trattner, Markku Alho, Thiago Brito, Urs Ganse, Yann Pfau-Kempf, Mojtaba Akhavan-Tafti, Tomas Karlsson, Savvas Raptis, Maxime Dubart, Maxime Grandin, Jonas Suni, and Minna Palmroth
Ann. Geophys., 38, 1081–1099, https://doi.org/10.5194/angeo-38-1081-2020,https://doi.org/10.5194/angeo-38-1081-2020, 2020
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22 Oct 2020
Ducting of incoherent scatter radar waves by field-aligned irregularities
Michael T. Rietveld and Andrew Senior
Ann. Geophys., 38, 1101–1113, https://doi.org/10.5194/angeo-38-1101-2020,https://doi.org/10.5194/angeo-38-1101-2020, 2020
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28 Oct 2020
Epoch-by-epoch estimation and analysis of BeiDou Navigation Satellite System (BDS) receiver differential code biases with the additional BDS-3 observations
Qisheng Wang, Shuanggen Jin, and Youjian Hu
Ann. Geophys., 38, 1115–1122, https://doi.org/10.5194/angeo-38-1115-2020,https://doi.org/10.5194/angeo-38-1115-2020, 2020
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29 Oct 2020
An inter-hemispheric seasonal comparison of polar amplification using radiative forcing of a quadrupling CO2 experiment
Fernanda Casagrande, Ronald Buss de Souza, Paulo Nobre, and Andre Lanfer Marquez
Ann. Geophys., 38, 1123–1138, https://doi.org/10.5194/angeo-38-1123-2020,https://doi.org/10.5194/angeo-38-1123-2020, 2020
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02 Nov 2020
An early mid-latitude aurora observed by Rozier (Béziers, 1780)
Chiara Bertolin, Fernando Domínguez-Castro, and Lavinia de Ferri
Ann. Geophys., 38, 1139–1147, https://doi.org/10.5194/angeo-38-1139-2020,https://doi.org/10.5194/angeo-38-1139-2020, 2020
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03 Nov 2020
Tomographic imaging of a large-scale travelling ionospheric disturbance during the Halloween storm of 2003
Karl Bolmgren, Cathryn Mitchell, Talini Pinto Jayawardena, Gary Bust, Jon Bruno, and Elizabeth Mitchell
Ann. Geophys., 38, 1149–1157, https://doi.org/10.5194/angeo-38-1149-2020,https://doi.org/10.5194/angeo-38-1149-2020, 2020
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03 Nov 2020
High-latitude crochet: solar-flare-induced magnetic disturbance independent from low-latitude crochet
Masatoshi Yamauchi, Magnar G. Johnsen, Carl-Fredrik Enell, Anders Tjulin, Anna Willer, and Dmitry A. Sormakov
Ann. Geophys., 38, 1159–1170, https://doi.org/10.5194/angeo-38-1159-2020,https://doi.org/10.5194/angeo-38-1159-2020, 2020
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10 Nov 2020
Analysis of different propagation models for the estimation of the topside ionosphere and plasmasphere with an ensemble Kalman filter
Tatjana Gerzen, David Minkwitz, Michael Schmidt, and Eren Erdogan
Ann. Geophys., 38, 1171–1189, https://doi.org/10.5194/angeo-38-1171-2020,https://doi.org/10.5194/angeo-38-1171-2020, 2020
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13 Nov 2020
Observations of precipitation energies during different types of pulsating aurora
Fasil Tesema, Noora Partamies, Hilde Nesse Tyssøy, and Derek McKay
Ann. Geophys., 38, 1191–1202, https://doi.org/10.5194/angeo-38-1191-2020,https://doi.org/10.5194/angeo-38-1191-2020, 2020
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24 Nov 2020
Modeling total electron content derived from radio occultation measurements by COSMIC satellites over the African region
Patrick Mungufeni, Sripathi Samireddipalle, Yenca Migoya-Orué, and Yong Ha Kim
Ann. Geophys., 38, 1203–1215, https://doi.org/10.5194/angeo-38-1203-2020,https://doi.org/10.5194/angeo-38-1203-2020, 2020
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24 Nov 2020
A deep insight into the ion foreshock with the help of test particle two-dimensional simulations
Philippe Savoini and Bertrand Lembège
Ann. Geophys., 38, 1217–1235, https://doi.org/10.5194/angeo-38-1217-2020,https://doi.org/10.5194/angeo-38-1217-2020, 2020
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15 Dec 2020
Estimating the maximum of the smoothed highest 3-hourly aa index in 3 d by the preceding minimum for the solar cycle
Zhanle Du
Ann. Geophys., 38, 1237–1245, https://doi.org/10.5194/angeo-38-1237-2020,https://doi.org/10.5194/angeo-38-1237-2020, 2020
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17 Dec 2020
Diurnal mesospheric tidal winds observed simultaneously by meteor radars in Costa Rica (10° N, 86° W) and Brazil (7° S, 37° W)
Ricardo A. Buriti, Wayne Hocking, Paulo P. Batista, Igo Paulino, Ana R. Paulino, Marcial Garbanzo-Salas, Barclay Clemesha, and Amauri F. Medeiros
Ann. Geophys., 38, 1247–1256, https://doi.org/10.5194/angeo-38-1247-2020,https://doi.org/10.5194/angeo-38-1247-2020, 2020
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21 Dec 2020
Migrating tide climatologies measured by a high-latitude array of SuperDARN HF radars
Willem E. van Caspel, Patrick J. Espy, Robert E. Hibbins, and John P. McCormack
Ann. Geophys., 38, 1257–1265, https://doi.org/10.5194/angeo-38-1257-2020,https://doi.org/10.5194/angeo-38-1257-2020, 2020
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21 Dec 2020
Multipoint observations of compressional Pc5 pulsations in the dayside magnetosphere and corresponding particle signatures
Galina Korotova, David Sibeck, Mark Engebretson, Michael Balikhin, Scott Thaller, Craig Kletzing, Harlan Spence, and Robert Redmon
Ann. Geophys., 38, 1267–1281, https://doi.org/10.5194/angeo-38-1267-2020,https://doi.org/10.5194/angeo-38-1267-2020, 2020
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21 Dec 2020
Resolution dependence of magnetosheath waves in global hybrid-Vlasov simulations
Maxime Dubart, Urs Ganse, Adnane Osmane, Andreas Johlander, Markus Battarbee, Maxime Grandin, Yann Pfau-Kempf, Lucile Turc, and Minna Palmroth
Ann. Geophys., 38, 1283–1298, https://doi.org/10.5194/angeo-38-1283-2020,https://doi.org/10.5194/angeo-38-1283-2020, 2020
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22 Dec 2020
Odd hydrogen response thresholds for indication of solar proton and electron impact in the mesosphere and stratosphere
Tuomas Häkkilä, Pekka T. Verronen, Luis Millán, Monika E. Szeląg, Niilo Kalakoski, and Antti Kero
Ann. Geophys., 38, 1299–1312, https://doi.org/10.5194/angeo-38-1299-2020,https://doi.org/10.5194/angeo-38-1299-2020, 2020
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