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Ring Current Electron Precipitation During the 17 March 2013 Geomagnetic Storm: Underlying Mechanisms and Their Effect on the Atmosphere

Authors
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Grishina,  Alina
2.7 Space Physics and Space Weather, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Shprits,  Yuri Y.
External Organizations;

Drozdov,  Alexander Y.
External Organizations;

Sinnhuber,  Miriam
External Organizations;

Haenel,  Florian
External Organizations;

Wang,  Dedong
External Organizations;

Szabó-Roberts,  Mátyás
External Organizations;

Maik Wissing,  Jan
External Organizations;

Bender,  Stefan
External Organizations;

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Citation

Grishina, A., Shprits, Y. Y., Drozdov, A. Y., Sinnhuber, M., Haenel, F., Wang, D., Szabó-Roberts, M., Maik Wissing, J., Bender, S. (2024 online): Ring Current Electron Precipitation During the 17 March 2013 Geomagnetic Storm: Underlying Mechanisms and Their Effect on the Atmosphere. - Advances in Space Research.
https://doi.org/10.1016/j.asr.2024.03.010


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5025360
Abstract
Electron and ion fluxes at energies of ∼ 10 keV - 1 MeV can change by orders of magnitude during geomagnetically active periods. This can lead to intensification of particle precipitation into the Earth's atmosphere. The process further affects atmospheric chemistry, which may impact weather and climate on the Earth’s surface. In this study, we concentrate on ring current electrons, and investigate precipitation mechanisms using a numerical model based on the Fokker-Planck equation. We focus on a study of the main precipitation mechanisms, and their connection with atmospheric parameters. We investigate the 17 March 2013 storm using the convection-diffusion 4-Dimensional Versatile Electron Radiation Belt (VERB-4D) code, that allows us to quantify the impact of the storm on the electron ring current, and the resulting electron precipitation. We validate our results against observations from the Polar Operational Environmental Satellites (POES) mission, the low Earth orbiting meteorological satellites National Oceanic and Atmospheric Administration (NOAA-15,-16,-17,-18,-19), and Meteorological Operational Satellite MetOp-02, as well as the Van Allen Probes, and produce a data set of precipitating fluxes that covers an energy range from 10 keV to 1 MeV. We calculate the altitude-dependent atmospheric ionization rates, a prerequisite for atmospheric models to estimate effects of geomagnetically active periods on chemical and physical variability of the atmosphere at high latitudes. Atmospheric ionization rates are validated against Atmospheric Ionization during Substorm (AIMOS 2.1-Aisstorm) and Special Sensor Ultraviolet Spectrographic Imagers (SSUSI) values, and show good agreement at high geomagnetic latitudes during the storm time.