MHD Waves in Solar Wind Plasma during Geomagnetic Storm Events in February-March 2023

被引：0

作者：

Starodubtsev, S. A. ^{[1
]}

Gololobov, P. Yu. ^{[1
]}

Grigoryev, V. G. ^{[1
]}

Zverev, A. S. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Shafer Inst Cosmophys Res & Aeron, Yakutsk 677027, Russia

来源：

COSMIC RESEARCH | 2024年 / 62卷 / 02期

关键词：

FLUCTUATIONS;

D O I：

10.1134/S0010952523600312

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

A study of MHD waves in solar wind plasma during two geoeffective space weather events in February-March 2023 is reported. At that time, various geophysical phenomena were observed on Earth: intense magnetic storms, decreases in the intensity of galactic cosmic rays, auroras, and a number of other manifestations of space weather. To study the situation in near-Earth outer space, we used data from direct measurements of the parameters of the interplanetary medium with the DSCOVR and ACE spacecraft. The application of spectral analysis methods to the data of direct measurements of the solar wind parameters onboard the DSCOVR spacecraft made it possible to study the characteristics and dynamics of Alfen, fast, and slow magnetosonic waves in the inertial frequency range (from similar to 0.0001 to similar to 0.01 Hz) of the observed solar wind turbulence spectrum during these events.

引用

页码：178 / 186

页数：9

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