24th Cycle of Solar Activity: Geoefficiency of Flares

被引：2
|
作者：
Bruevich, E. A. [1 ]
Yakunina, G. V. [1 ]
机构：
[1] Lomonosov Moscow State Univ, Sternberg State Astron Inst, Moscow, Russia
来源：
GEOMAGNETISM AND AERONOMY | 2020年 / 60卷 / 07期
关键词：
SUN;
D O I：
10.1134/S0016793220070087
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Various aspects of the of geoefficiency of solar-activity phenomena, such as flares and coronal mass ejections (CMEs), are considered. The number of geoefficient events was about two times lower in the 24th cycle than in the 23rd cycle. Statistical data on major flares and the Dst index in different phases of the 24th cycle is compared. Large flares (X-ray class > M5) were analyzed based on data from GOES-15 satellite observations in the 24th solar activity cycle. The three main geomagnetic indices, Ap, Kp, and Dst, were analyzed in comparison with the F-10.7 index and the sunspot number (SSN).
引用
收藏
页码：876 / 880
页数：5
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