globalchange  > 科学计划与规划
DOI: 10.1002/2016GL071184
论文题名:
Thin energetic O+ layer embedded in the magnetotail reconnection current sheet observed by Cluster
作者: Wu T.; Fu S.Y.; Zong Q.G.; Sun W.J.; Cui Y.B.; Zhao D.; Guo R.L.; Zhao S.J.; Wang Y.F.
刊名: Geophysical Research Letters
ISSN: 0094-8375
EISSN: 1944-8106
出版年: 2016
卷: 43, 期:22
起始页码: 11493
结束页码: 11500
语种: 英语
英文关键词: energetic oxygen ions ; magnetotail current sheet ; oxygen layer
Scopus关键词: Electric fields ; Oxygen ; Acceleration effects ; Current carriers ; Current sheets ; Energetic oxygen ions ; Initial conditions ; Magnetotail current sheet ; Magnetotail reconnection ; Proton current ; Ions
英文摘要: In the classical picture of the magnetotail current sheet, the current carriers are mainly ions that undergo nonadiabatic motions. Oxygen ions could contribute a thicker current sheet than the protons due to their large gyroradii. In this paper, however, we report a thin energetic O+ layer embedded in the magnetotail proton current sheet observed by Cluster on 11 October 2001. The thickness of the O+ layer is estimated to be smaller than the half thickness of the local current sheet. And the layer is formed by energetic O+ with energy larger than 20 keV moving along the +Y direction in GSE coordinates. It is inferred that these energetic O+ are probably generated due to the selective acceleration effect of the thin reconnection electric field to the upstreaming ionospheric O+ ions with different initial condition. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003846581&doi=10.1002%2f2016GL071184&partnerID=40&md5=e9d892fc3551e3fbd0bf7851d96f1b07
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9338
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: Institute of Space Physics and Applied Technology, School of Earth and Space Sciences, Peking UniversityBeijing, China

Recommended Citation:
Wu T.,Fu S.Y.,Zong Q.G.,et al. Thin energetic O+ layer embedded in the magnetotail reconnection current sheet observed by Cluster[J]. Geophysical Research Letters,2016-01-01,43(22).
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