Effects of sector structure of the interplanetary magnetic field on the upper mesosphere-lower thermosphere dynamics

被引：1
|
作者：
Fahrutdinova, A. N. [1 ]
Maksyutin, S. V. [1 ]
Elakhov, M. V. [1 ]
机构：
[1] Kazan Volga Reg Fed Univ, Inst Phys, Kazan 420008, Russia
来源：
ADVANCES IN SPACE RESEARCH | 2013年 / 52卷 / 11期
关键词：
Neutral wind; Interplanetary magnetic field; IMF sector structure; Geomagnetic disturbance; Upper mesosphere-lower thermosphere; Seasonal wind variation; GEOMAGNETIC RESPONSES; SOLAR-WIND; PARAMETERS; ATMOSPHERE; IMPACT;
D O I：
10.1016/j.asr.2013.08.031
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In this paper we study the influence of the interplanetary magnetic field (IMF) polarity changes caused by the Earth passing through the IMF sector boundary on the dynamic processes taking place in neutral atmosphere within the altitude interval of the upper mesosphere-lower thermosphere (83-101 km). The analysis has revealed the influence of the IMF sector structure on dynamics of the upper mesosphere-lower thermosphere. There has been a significant seasonal variation of the wind reaction to the IMF polarity changes observed. The influence of the IMF polarity changes on neutral atmosphere dynamics within the altitude range of 83-101 km is most pronounced in the zonal component of neural wind when the IMF polarity changes from negative to positive in all the seasons except for spring and when IMF polarity changes from positive to negative - in spring only. (C) 2013 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1959 / 1965
页数：7
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