Comparative analysis of geomagnetic events identified by various indices

K. G. Ratovsky; Ратовский К. Г.; M. V. Klimenko; Клименко М. В.; A. M. Vesnin; Веснин А. М.; K. V. Belyuchenko; Белюченко К. В.; Yu. V. Yasyukevich; Ясюкевич Ю. В.

doi:10.31857/S0367676524030023

Comparative analysis of geomagnetic events identified by various indices

Authors: Ratovsky K.G.¹, Klimenko M.V.², Vesnin A.M.¹, Belyuchenko K.V.¹, Yasyukevich Y.V.¹
Affiliations:
1. Institute of Solar-Terrestrial Physics of the Siberian Branch of the Russian Academy of Sciences
2. Kaliningrad Branch of the Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation of the Russian Academy of Sciences
Issue: Vol 88, No 3 (2024)
Pages: 347-355
Section: Physics of Auroral Phenomena
URL: https://journal-vniispk.ru/0367-6765/article/view/267654
DOI: https://doi.org/10.31857/S0367676524030023
EDN: https://elibrary.ru/QNHQUW
ID: 267654

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Abstract

We presented the results of comparative analysis of geomagnetic events identified by various indices. A previously developed technique is used to identify magnetic storms by the Dst index. As a basis for identification, we chose the previously developed method for identifying geomagnetic storms based on the Dst index. A similar method was implemented to identify geomagnetic events by the ap and AE indices. Comparative analysis includes: (1) identification of common geomagnetic events identified by various indices; (2) identification of cases when an event is a strong geomagnetic disturbance by one of the indices (Dst, ap, AE) and is not a geomagnetic event by at least one of the two remaining indices; and (3) a comparative analysis of the diurnal and seasonal distribution of the number of geomagnetic events identified by different indices.

Keywords

geomagnetic storms, geomagnetic indices Dst, ap, AE, statistics

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