南方科技大学知识苑(SUSTech KC): Current Sheet Thinning in the Wake of a Bubble Injection

题名	Current Sheet Thinning in the Wake of a Bubble Injection
作者	Wang, Wenrui1 ; Yang, Jian1 ; Toffoletto, Frank R.2; Wolf, Richard A.2; Nakamura, Rumi 3; Cui, Jun 4
通讯作者	Yang, Jian
发表日期	2022-12-28
DOI	10.1029/2022GL100737
发表期刊	GEOPHYSICAL RESEARCH LETTERS 影响因子和分区
ISSN	0094-8276
EISSN	1944-8007
卷号	49 期号:24
摘要	A crucial property of the substorm growth phase is the current sheet thinning, which is often attributed to adiabatic convection. Injecting low-entropy bubbles reduce pressure-balance inconsistencies and restore current sheet thickness to its initial value. Recent observations from Cluster and MMS showed additional thinning of the current sheet in the wake of a transitory bubble injection compared with the configuration before the injection. We employ the Rice Convection Model-MHD coupled code to investigate how the transport of bubbles causes the fast thinning. The simulation results reconstructed the observations' most prominent characteristics. We find more earthward transport of the magnetic flux in the bubble than its wake, therefore depleting magnetic flux and stretching the magnetic field lines there. Interestingly, additional R0-sense field-aligned currents close the enhanced dawn-to-dusk current behind the bubble.
相关链接	[来源记录]
收录类别	SCI
语种	英语
重要成果	NI论文
学校署名	第一 ; 通讯
资助项目	National Natural Science Foundation of China (NSFC)["41974187","42174197"] ; Stable Support Plan Program of Shenzhen Natural Science Fund[20200925153644003] ; Shenzhen Science and Technology Program["JCYJ20220530113402004","XDB41000000"] ; NASA Heliophysics supporting research[80NSSC18K1226]
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000924589700001
出版者	AMER GEOPHYSICAL UNION
ESI学科分类	GEOSCIENCES
来源库	Web of Science
引用统计	被引频次[WOS]：0
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/479601
专题	理学院_地球与空间科学系
作者单位	1.Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen, Peoples R China 2.Rice Univ, Dept Phys & Astron, Houston, TX USA 3.Austrian Acad Sci, Space Res Inst, Graz, Austria 4.Sun Yat Sen Univ, Sch Atmospher Sci, Zhuhai, Peoples R China
第一作者单位	地球与空间科学系
通讯作者单位	地球与空间科学系
第一作者的第一单位	地球与空间科学系
推荐引用方式 GB/T 7714	Wang, Wenrui,Yang, Jian,Toffoletto, Frank R.,et al. Current Sheet Thinning in the Wake of a Bubble Injection[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(24).
APA	Wang, Wenrui,Yang, Jian,Toffoletto, Frank R.,Wolf, Richard A.,Nakamura, Rumi,&Cui, Jun.(2022).Current Sheet Thinning in the Wake of a Bubble Injection.GEOPHYSICAL RESEARCH LETTERS,49(24).
MLA	Wang, Wenrui,et al."Current Sheet Thinning in the Wake of a Bubble Injection".GEOPHYSICAL RESEARCH LETTERS 49.24(2022).