Magnetospheric contributions to geomagnetic daily variations

被引：3
|
作者：
Olsen, N
机构：
来源：
ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES | 1996年 / 14卷 / 05期
关键词：
D O I：
10.1007/s005850050317
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The contribution of magnetospheric current systems to geomagnetic daily variations is analyzed by means of a spherical harmonic analysis (SHA) using elementary models as well as the Tsyganenko model of the magnetosphere. It is discovered that the magnetospheric contribution to some SHA coefficients is much higher than the known average value of about 20%, especially when considering non-local time terms and solstitial conditions.
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页码：538 / 544
页数：7
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