Solar Activity and Geomagnetic Disturbances

被引:18
|
作者
Obridko, V. N. [1 ]
Kanonidi, Kh. D. [1 ]
Mitrofanova, T. A. [1 ]
Shelting, B. D. [1 ]
机构
[1] Russian Acad Sci IZMIRAN, Pushkov Inst Terr Magnetism Ionosphere & Radiowav, Troitsk 142190, Moscow Oblast, Russia
关键词
MAGNETIC-FIELD; CYCLES; INDEXES;
D O I
10.1134/S0016793213010143
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
An analysis of IZNIRAN magnetic observatory data indicated that geomagnetic storms with sudden and gradual commencements form two independent populations with respect to the disturbance occurrence time and character because the solar sources of these disturbances are different. Storms with sudden and gradual commencements are caused by coronal mass ejections and high-speed solar wind streams from coronal holes, respectively.
引用
收藏
页码:147 / 156
页数:10
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