Variations of the electric field and current in the near-surface atmosphere during magnetic storms

Svetlana A. Riabova; Yaroslav O. Romanovsky; Alexander A. Spivak

doi:10.1117/12.2601975

15 December 2021 Variations of the electric field and current in the near-surface atmosphere during magnetic storms

Svetlana A. Riabova, Yaroslav O. Romanovsky, Alexander A. Spivak

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1191653 (2021) https://doi.org/10.1117/12.2601975
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The results of instrumental observations of variations in the electrical characteristics of the near-surface atmosphere during 58 magnetic storms are analyzed. It is shown that geomagnetic disturbances with a station index of magnetic activity K ≥ 5 (Mikhnevo Geophysical Observatory of IDG RAS) are accompanied by characteristic variations in the vertical components of the electric field and atmospheric current. The amplitude of the electric field variations is characterized by a value of 5 ‒ 20 V/m, the atmospheric current with an amplitude of up to 4 ‒ 6 pA/m².

Citation Download Citation

Svetlana A. Riabova, Yaroslav O. Romanovsky, and Alexander A. Spivak "Variations of the electric field and current in the near-surface atmosphere during magnetic storms", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1191653 (15 December 2021); https://doi.org/10.1117/12.2601975

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