气候变化领域集成服务门户(CCPortal): On the Ubiquity of Magnetic Reconnection Inside Flux Transfer Event-Like Structures at the Earth's Magnetopause

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DOI	10.1029/2019GL086726
	On the Ubiquity of Magnetic Reconnection Inside Flux Transfer Event-Like Structures at the Earth's Magnetopause
	Fargette N.; Lavraud B.; Øieroset M.; Phan T.D.; Toledo-Redondo S.; Kieokaew R.; Jacquey C.; Fuselier S.A.; Trattner K.J.; Petrinec S.; Hasegawa H.; Garnier P.; Génot V.; Lenouvel Q.; Fadanelli S.; Penou E.; Sauvaud J.-A.; Avanov D.L.A.; Burch J.; Chandler M.O.; Coffey V.N.; Dorelli J.; Eastwood J.P.; Farrugia C.J.; Gershman D.J.; Giles B.L.; Grigorenko E.; Moore T.E.; Paterson W.R.; Pollock C.; Saito Y.; Schiff C.; Smith S.E.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:6
英文摘要	Flux transfer events (FTEs) are transient phenomena frequently observed at the Earth's magnetopause. Their usual interpretation is a flux rope moving away from the reconnection region. However, the Magnetospheric Multiscale Mission revealed that magnetic reconnection sometimes occurs inside these structures, questioning their flux rope configuration. Here we investigate 229 FTE-type structures and find reconnection signatures inside 19% of them. We analyze their large-scale magnetic topology using electron heat flux and find that it is significantly different across the FTE reconnecting current sheets, demonstrating that they are constituted of two magnetically disconnected structures. We also find that the interplanetary magnetic field (IMF) associated with reconnecting FTEs presents a strong By component. We discuss several formation mechanisms to explain these observations. In particular, the maximum magnetic shear model predicts that for large IMF By, two spatially distinct X lines coexist at the magnetopause. They can generate separate magnetic flux tubes that may become interlaced. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Heat flux; Magnetic flux; Rope; Flux transfer events; Formation mechanism; Interplanetary magnetic fields; Magnetic reconnections; Magnetic topologies; Magnetospheric multiscale missions; Reconnecting current sheets; Transient phenomenon; Magnetopause; heat flux; magnetic field; magnetopause; magnetosphere
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170559
作者单位	Institut de Recherche en Astrophysique et Planétologie, CNRS, UPS, CNES, Université de Toulouse, Toulouse, France; Space Sciences Laboratory, University of California, Berkeley, Berkeley, CA, United States; Department of Electromagnetism and Electronics, University of Murcia, Murcia, Spain; Southwest Research Institute, San Antonio, TX, United States; Department of Physics, University of Texas at San Antonio, San Antonio, TX, United States; Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States; Lockheed Martin Advanced Technology Center, Palo Alto, CA, United States; Institute of Space and Astronautical Science, JAXA, Sagamihara, Japan; NASA Goddard Space Flight Center, Greenbelt, MD, United States; NASA Marshall Space Flight Center, Huntsville, AL, United States; The Blackett Laboratory, Department of Physics, Imperial College London, London, United Kingdom; Department of Physics and Space Science Center, University of New Hampshire, Durham, NH, United S...
推荐引用方式 GB/T 7714	Fargette N.,Lavraud B.,Øieroset M.,et al. On the Ubiquity of Magnetic Reconnection Inside Flux Transfer Event-Like Structures at the Earth's Magnetopause[J],2020,47(6).
APA	Fargette N..,Lavraud B..,Øieroset M..,Phan T.D..,Toledo-Redondo S..,...&Smith S.E..(2020).On the Ubiquity of Magnetic Reconnection Inside Flux Transfer Event-Like Structures at the Earth's Magnetopause.Geophysical Research Letters,47(6).
MLA	Fargette N.,et al."On the Ubiquity of Magnetic Reconnection Inside Flux Transfer Event-Like Structures at the Earth's Magnetopause".Geophysical Research Letters 47.6(2020).