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近地磁尾重联中哨声波和Hall磁场的Cluster观测
Alternative TitleWhistle and Hall magnetic field associated with near-Earth magnetotail reconnection observed by Cluster
魏新华; 周国成; 曹晋滨; Santolik; O; Reme; H; Comilleau; N; Andre; Balogh; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication地球物理学报
2007
Volume50Issue:3Pages:662-671
ISSN0001-5733
Language中文
Keyword磁尾 无碰撞重联 哨声波 cluster飞船 hall磁场
Abstract在2001-2003年Cluster飞船通过近地磁尾期间,共探测到14次重联事件,在这些事件中同时还观测到等离子体波活动.本文把14次事件分为三大类,其中:第1类包含了8次事件,它们是在等离子体片内先于重联事件观测到波活动,并且还同时观测到Hall磁场.经过分析判断,这类事件中观测到的波是右旋偏振的哨声波.第Ⅱ类包含了2次事件,这类事件也观测到了Hall磁场和右旋偏振的哨声波.第Ⅲ类也包含了2次事件,这类事件只是普通的重联事件,没有观测到Hall磁场,但是波活动明显先于重联事件.在我们观测的14次事件中,比较强烈的哨声波和Hall磁场是一一对应的,因此哨声波可能主要是在Hall磁场的四极结构区激发的.
Other AbstractDuring 2001-2003,the Cluster spacecraft passed through the near2Earth magnetotail,and observed 14 magnetotail reconnection events. Simultaneously,Cluster observed electromagnetic wave associated with reconnection events.There are three kinds of reconnection events in these 14 events.There are 8 events in the first kind of reconnection event,in this kind of reconnection events wave activity were observed prior to the reconnection event and simultaneously Hall magnetic field was observed.The wave activity included right hand polarized Whistler.The second kind of reconnection events had two events.Whistler waves and Hall magnetic field were observed in this kind of events,but the wave activity was not prior to reconnection events.The third kind of events had two events.The Whistler waves and Hall magnetic were not observed in this kind of reconnection event.In these 14 events,the strong Whistler waves corresponded to Hall magnetic field.Whistler waves may mainly be excited in Hall magnetic field regions.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1388
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
魏新华,周国成,曹晋滨,等. 近地磁尾重联中哨声波和Hall磁场的Cluster观测[J]. 地球物理学报,2007,50(3):662-671.
APA 魏新华.,周国成.,曹晋滨.,Santolik.,O.,...&北京8701信箱.(2007).近地磁尾重联中哨声波和Hall磁场的Cluster观测.地球物理学报,50(3),662-671.
MLA 魏新华,et al."近地磁尾重联中哨声波和Hall磁场的Cluster观测".地球物理学报 50.3(2007):662-671.
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