Dynamics of the boundary of solar electron penetration into the earth's magnetosphere in November 2001

被引：0
|
作者：
Kuznetsov, SN [1 ]
Myagkova, IN [1 ]
Yushkov, BY [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119899, Russia
来源：
GEOMAGNETISM AND AERONOMY | 2005年 / 45卷 / 02期
关键词：
D O I：
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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：
The dynamics of the boundary of solar electron (with an energy of 0.3-0.6 MeV) penetration into the Earth's magnetosphere on November 4-8 and 23-27, 2001, has been analyzed based on the CORONAS-F satellite measurements. Two strong magnetic storms with a Dst variation of -292 and -225 nT occurred at that time: on November 6 and 24, respectively. The dynamics of the electron flux penetration boundary has been compared with the variations in the interplanetary medium parameters and geomagnetic activity indices. It has been indicated that the polar cap and plasma sheet regions increase and the region of stable particle capture decreases with decreasing dimensions of the magnetosphere caused by an enhanced solar wind pressure at negative B-z.
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页码：151 / 155
页数：5
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