Correlation level between solar wind and magnetosheath plasma and magnetic field parameters

被引：8

作者：

Rakhmanova, L. ^{[1
]}

Riazantseva, M. ^{[1
,2
]}

Zastenker, G. ^{[1
]}

机构：

[1] Russian Acad Sci, Space Res Inst, 84-32 Profsoyuznaya St, Moscow 117997, Russia

[2] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, 1 2 Leninskie Gory, Moscow 119991, Russia

来源：

ADVANCES IN SPACE RESEARCH | 2016年 / 58卷 / 02期

关键词：

Interplanetary magnetic field; Solar wind; Magnetosheath; Plasma turbulence; Solar wind structures; Bow shock; SUBSOLAR MAGNETOPAUSE; ION FLUX; FLUCTUATIONS; FLOW; FORM;

D O I：

10.1016/j.asr.2015.09.036

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

We conduct a statistical study of the correlation coefficients between solar wind and magnetosheath parameters using plasma and magnetic field data from THEMIS satellites. Correlation coefficients for high temporal resolution data are less than 0.5 in 70-80% of cases and remain the same for 30-40% of cases for 100-s smoothed data. The solar wind and magnetosheath parameters correlate better for larger solar wind density and interplanetary magnetic field magnitude values and for larger relative standard deviations of their parameters. Correlation level is higher in cases of quasi-perpendicular bow shock versus quasiparallel one. We consider correlation changes while magnetosheath satellite approaches the magnetopause and do not find correlation dependence on the satellite position inside the magnetosheath. (C) 2015 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：157 / 165

页数：9

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