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1991年3月太阳活动引起的地磁扰动
Alternative TitleTHE GEOMAGNETIC DISTURBANCES CAUSED BY SOLAR ACTIVITY IN MARCH 1991
高玉芬; 章公亮; 周荣茂; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication空间科学学报
1995
Volume15Issue:1Pages:33-41
ISSN0254-6124
Language中文
Keyword磁暴 急始 脉动 极化 行星际结构
Abstract利用北京白家疃台和马道峪台的地磁资料分析了1991年3月下旬太阳活动引起的24-27日的磁暴.从中纬记录看,这次磁暴有其特殊的形态:即急始幅度特别大,磁暴最强活动是急始后即刻开始的极区暴影响而产生的;磁暴过程中多个时段出现脉动,其中以周期为650秒左右的脉动尤为明显;其极化方向主要表现为左族偏振,同时夹有右旋偏振,有时则无明显规律.谱分析的结果表明,整个磁暴功率谱呈幂律P(f)=f-2.0分布.对引起这次磁暴可能的行星际扰动进行了讨论.
Other AbstractUsing the geomagnetic data of Baijiatuan and Madaoyu observatories in Beijing,the magnetic storms of March 24-27 caused by solar activity during the last ten days of March 1991 are analysed. From the records of mid-latitude, one could find the storms have some specific morphological features: the amplitude of the sudden commencement is very large, the most severe activity of the storms is produced by the substorm beginning immediately after the sudden commencement; there appear some pulsations in many intervals during the storms,in particular。the pulsations with T-650s are outstanding.tt is polarization direction displays mainly left·handed, but,it m ixed up with right—handed ones without any obvious regularlties.The resulcs of spectra analysis indicate that power spectrum PU)of the whole storm follows the form P(f)一2.0 .In addition,the interplantary disturbances are discussed,which may canse the storms.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1162
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
高玉芬,章公亮,周荣茂,等. 1991年3月太阳活动引起的地磁扰动[J]. 空间科学学报,1995,15(1):33-41.
APA 高玉芬,章公亮,周荣茂,&北京8701信箱.(1995).1991年3月太阳活动引起的地磁扰动.空间科学学报,15(1),33-41.
MLA 高玉芬,et al."1991年3月太阳活动引起的地磁扰动".空间科学学报 15.1(1995):33-41.
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