Is the geoeffectiveness of the 6 January 1997 CME predictable from solar observations?

被引：20
|
作者：
Zhao, XP
Hoeksema, JT
机构：
[1] W.W. Hansen Exp. Physics Laboratory, Stanford University, Stanford, CA
[2] Stanford University, HEPL Annex B, Stanford
来源：
GEOPHYSICAL RESEARCH LETTERS | 1997年 / 24卷 / 23期
关键词：
D O I：
10.1029/97GL03000
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We present a prediction scheme for specifying the duration and maximum strength of the southward IMF within a magnetic cloud from observations of the disappearing filament associated with the coronal mass ejection and the photospheric magnetic field made near the filament disappearing. Using this scheme we were able to predict that the Earth directed 6 January 1997 coronal mass ejection would be geoeffective. We expected that the southward IMF interval would have a maximum strength of -13 +/- 5 nT and a duration of 14 +/- 5 hours. This compares favorably with the WIND observations of -15 nT and 13 hours.
引用
收藏
页码：2965 / 2968
页数：4
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