Substorm activity during the magnetic storms induced by the CIR and ICME events

Roman N. Boroyev

doi:10.1117/12.2503109

13 December 2018 Substorm activity during the magnetic storms induced by the CIR and ICME events

Roman N. Boroyev

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108339A (2018) https://doi.org/10.1117/12.2503109
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

In this work, the relation of substorm activity (AE, Kp) with the solar wind electric field during the magnetic storm induced by the CIR and ICME events is investigated. The analysis of average values of AE (АЕ_aver) and Kp (Kp_aver) indices during the main phase of magnetic storm depending on the SW electric field has shown that for the CIR events, unlike the ICME events, the value of AE_aver increases with the growth of average value of the electric field (Esw_aver). The value of Kp_aver correlates with the Esw_aver only for the ICME events. When comparing time intervals during a recovery phase of two magnetic storms during which the values of solar wind electric fields are approximately equal to each other, it is found that AE index is more in that storm in which the solar wind velocity is higher.

Citation Download Citation

Roman N. Boroyev "Substorm activity during the magnetic storms induced by the CIR and ICME events", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108339A (13 December 2018); https://doi.org/10.1117/12.2503109

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