THE AMPTE LITHIUM RELEASES IN THE SOLAR-WIND - A POSSIBLE TRIGGER FOR GEOMAGNETIC-PULSATIONS

被引：4

作者：

LUHR, H

BAUMJOHANN, W

POTEMRA, TA

机构：

[1] MAX PLANCK INST EXTRATERRESTR PHYS,W-8046 GARCHING,GERMANY

[2] JOHNS HOPKINS UNIV,APPL PHYS LAB,LAUREL,MD 20707

来源：

GEOPHYSICAL RESEARCH LETTERS | 1990年 / 17卷 / 13期

关键词：

D O I：

10.1029/GL017i013p02301

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Shortly after the AMPTE/IRM satellite had released Lithium ions into the solar wind, magnetometers on the ground and in the frontside magnetosphere observed deflections of a type similar to those associated with solar wind pressure pulses. Since the natural solar wind was very stable during this event and did not exhibit pressure changes, the magnetic deflections have likely been caused by the artificially injected Lithium cloud when it hit the magnetosphere. Order of magnitude estimates show that 300 g of Lithium vapor released in the solar wind are indeed able to produce a 300 nT magnetic deflection on the ground under favourable conditions.

引用

页码：2301 / 2304

页数：4

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