Relationship between the geomagnetic Dst(min) and the interplanetary Bz(min) during cycle 23

被引：13

作者：

Kane, R. P. ^{[1
]}

机构：

[1] Inst Nacl Pesquisas Espaciais, BR-12245970 Sao Jose Dos Campos, SP, Brazil

来源：

PLANETARY AND SPACE SCIENCE | 2010年 / 58卷 / 03期

关键词：

Geomagnetic storms; Dst; Interplanetary magnetic fields; Sun-Earth relationship; SOLAR-WIND; RING CURRENT; MAGNETIC STORM; MAGNETOSPHERE; INTENSE; SPACE; SIGNATURES; PARTICLES; PRESSURE; EARTH;

D O I：

10.1016/j.pss.2009.11.005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In cycle 23 for geomagnetic storms of -Dst(min) > 50 nT, the plot of -Dst(min) versus -Bz(min) for the low -Bz(min) range 0-10 nT showed erratic variation in Dst(min), (correlation 0.19). Even for -Bz(min) range 10-20 nT, -Dst(min) values had considerable scatter (correlation 0.57). For -Bz(min). > 20 nT, the relationship was good (correlation 0.82). For the whole range -Bz(min) 0-50 nT, the correlation was high (0.88). Thus, if -Bz(min) is very large (similar to 20 nT), large -Dst(min) occurs but in a wide range of 100-500 nT. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：392 / 400

页数：9

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