Abstract
An analysis is performed for data from the Russian METEOR-M2 spacecraft and the RBSP/Van Allen probes received during several magnetic storms with Dst < –100 nT. The high latitude trapping boundary of electrons with energies >100 keV is shown to be localized inside the region of auroral precipitations and sometimes coincides with the polar boundary of an auroral oval. The contribution from the adiabatic effect to the drops in relativistic electron fluxes during the main phase of a storm and their growth during the recovery phase is determined.
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ACKNOWLEDGMENTS
We are grateful to the teams of the МЕТЕОR and RBSP/Van Allen projects for the possibility of using their open results.
Funding
The work of N.V. Sotnikov, E.E. Antonova, I.L. Ovchinnikov, and M.S. Pulinets was supported by the Russian Foundation for Basic Research, project no. 18-05-00362.
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Translated by O. Ponomareva
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Sotnikov, N.V., Antonova, E.E., Ovchinnikov, I.L. et al. Formation of the Outer Radiation Belt during Geomagnetic Storms and the Adiabatic Mechanism of the Rise and Fall of Relativistic Electron Fluxes. Bull. Russ. Acad. Sci. Phys. 85, 309–313 (2021). https://doi.org/10.3103/S1062873821030278
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DOI: https://doi.org/10.3103/S1062873821030278