ROLE OF PERIODIC FLUCTUATIONS IN SOLAR-WIND MAGNETOSPHERE COUPLING

被引：1

作者：

MURALI, AK ^{[1
]}

NAYAR, SRP ^{[1
]}

SOMAYAJULU, VV ^{[1
]}

机构：

[1] VIKRAM SARABHAI SPACE CTR,SPACE PHYS LAB,TRIVANDRUM 695022,INDIA

来源：

JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS | 1991年 / 53卷 / 10期

关键词：

D O I：

10.1016/0021-9169(91)90001-N

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

In this paper, the behaviour of the fluctuating component in the solar wind parameters (V, B(z)), the auroral electrojet indices (AU, AL), the ring current index (D(st)) and the interplanetary electric field (V x B(z)) during 10 magnetic storms is analysed to understand the solar wind-magnetosphere coupling. It is found that during the moderate storms (D(st) > -100 nT), the fluctuating component of 3-4 h periodicity is clearly discernible in all the parameters, and during the intense storms (D(st) < -100 nT) the periodic fluctuations are not well defined.

引用

页码：881 / 887

页数：7

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