globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070382
论文题名:
Mirror mode structures ahead of dipolarization front near the neutral sheet observed by Cluster
作者: Wang G.Q.; Zhang T.L.; Volwerk M.; Schmid D.; Baumjohann W.; Nakamura R.; Pan Z.H.
刊名: Geophysical Research Letters
ISSN: 0094-8691
EISSN: 1944-8422
出版年: 2016
卷: 43, 期:17
起始页码: 8853
结束页码: 8858
语种: 英语
英文关键词: dipolarization front ; mirror mode ; plasma sheet
Scopus关键词: Ions ; Plasma sheaths ; Trapped ions ; Compressional ; Dipolarization ; Ion density ; Local conditions ; Mirror mode waves ; Mode structure ; Neutral sheets ; Plasma sheet ; Mirrors
英文摘要: Magnetic compressional structures ahead of a dipolarization front (DF) on 30 August 2002 are investigated by using Cluster data. Our findings are as follows: (1) the structures, observed near the neutral sheet, are mainly compressional and dominant in BZ; (2) they are almost nonpropagating relative to the local ion bulk flow and their lengths are several local proton gyroradius; (3) the ion density increases when BT decreases; (4) ions are partially trapped by the structures with parallel and perpendicular velocities varying in antiphase; and (5) local conditions are favorable for excitation of the mirror instability, and we suggest that these structures are mirror mode-like. Our findings also suggest that local conditions ahead of the DF are viable for exciting the mirror instability to generate mirror mode waves or structures. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988933598&doi=10.1002%2f2016GL070382&partnerID=40&md5=df6b7567c3ae07beeb4c0366f88a6ccc
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9654
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, China

Recommended Citation:
Wang G.Q.,Zhang T.L.,Volwerk M.,et al. Mirror mode structures ahead of dipolarization front near the neutral sheet observed by Cluster[J]. Geophysical Research Letters,2016-01-01,43(17).
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