Elliptical magnetic clouds and geomagnetic storms

被引：4
|
作者：
Antoniadou, I. [1 ]
Geranios, A. [1 ]
Vandas, M. [2 ]
Panagopoulou, M. [3 ]
Zacharopoulou, O. [3 ]
Malandraki, O. [4 ]
机构：
[1] Univ Athens, Dept Phys, Nucl & Particle Phys Sect, Ilissia 15771, Greece
[2] Acad Sci, Inst Astron, Prague 14131 4, Czech Republic
[3] Univ Athens, Dept Phys, Sect Astrophys Astron & Mech, Ilissia 15771, Greece
[4] European Space Agcy, ESTEC, Res & Sci Support Dept, NL-2200 AG Noordwijk, Netherlands
来源：
PLANETARY AND SPACE SCIENCE | 2008年 / 56卷 / 3-4期
关键词：
magnetic clouds; geomagnetic storms; solar wind; interplanetary magnetic field;
D O I：
10.1016/j.pss.2007.10.002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Magnetic clouds are simple phenomena which modulate the interplanetary space and they are a subset of Interplanetary Coronal Mass Ejections. Due to the sustained orientation of their magnetic fields south- and northwards, they can influence the Earth's magnetosphere and may give rise to geomagnetic storms. Since such storms are dominant factors of space weather predictions, magnetic clouds are an important factor in this domain. We analyzed six observed magnetic clouds triggered a geomagnetic storm and simulate them in order to identify their characteristics, such as probable shapes, orientation of their axis, duration, etc. geomagnetic storms triggered by these clouds are investigated by their D,, indices. (c) 2007 Elsevier Ltd. All rights reserved.
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页码：492 / 500
页数：9
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