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	Multiple flux rope events at the high-latitude magnetopause: cluster/rapid observation on 26 January, 2001
	Pu, ZY ; Zong, QG ; Fritz, TA ; Xiao, CJ ; Huang, ZU ; Fu, SU ; Shi, QQ ; Dunlop, MW ; Glassmeier, KH ; Balogh, A ; Daly, P ; Reme, H ; Dandouras, J ; Cao, JB ; Liu, ZX ; Shen, C ; Shi, JK
	2005
关键词	cusp energetic particle flux flux transfer events high-latitude magnetopause boundary layer magnetic flux rope magnetic reconnection magnetopause magnetosheath boundary layer MAGNETIC-FIELD ENERGETIC PARTICLES CUSP MAGNETOSPHERE PLASMA MAGNETOSHEATH SPACECRAFT REGION SITES LAYER
英文摘要	Cluster measurements of the cusp and high latitude magnetopause boundary on 26 January, 2001 confirm that the cusp is a dynamic region full of energetic charged particles and turbulence. An energetic ion layer at high-latitudes beyond and adjacent to the duskside magnetopause exists when the Interplanetary Magnetic Field (IMF) has a southward orientation. Multiple energetic ion flux bursts were observed in the energetic ion layer. Each energetic ion flux burst was closely related to a magnetic flux rope. The axes of the flux ropes lie in the direction pointing duskward/tailward and somewhat upward. An intense axis-aligned current flows inside the ropes, with the current density reaching similar to 10(-8) A/m(2). The main components of the energetic ions are protons, helium and CNO ions, which originate from the magnetosphere, flowing out into the magnetosheath along the axis of the flux ropes. The velocity of the magnetosheath thermal plasma relative to the deHoffman-Teller (DHT) frame is found to be basically along the axis of the flux ropes also, but towards the magnetosphere. These flux ropes seem to be produced somewhere away via magnetic reconnection and move at similar DHT velocities passing over the spacecraft. These observations further confirm that the high-latitude magnetopause boundary region plays an important role in the solar wind-magnetopause coupling.; Geochemistry & Geophysics; SCI(E); EI; CPCI-S(ISTP); 11
语种	英语
DOI标识	10.1007/s10712-005-1878-0
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/156062]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Pu, ZY,Zong, QG,Fritz, TA,et al. Multiple flux rope events at the high-latitude magnetopause: cluster/rapid observation on 26 January, 2001. 2005-01-01.

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