globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068783
论文题名:
Magnetospheric Multiscale observations of magnetic reconnection associated with Kelvin-Helmholtz waves
作者: Eriksson S.; Lavraud B.; Wilder F.D.; Stawarz J.E.; Giles B.L.; Burch J.L.; Baumjohann W.; Ergun R.E.; Lindqvist P.-A.; Magnes W.; Pollock C.J.; Russell C.T.; Saito Y.; Strangeway R.J.; Torbert R.B.; Gershman D.J.; Khotyaintsev Y.V.; Dorelli J.C.; Schwartz S.J.; Avanov L.; Grimes E.; Vernisse Y.; Sturner A.P.; Phan T.D.; Marklund G.T.; Moore T.E.; Paterson W.R.; Goodrich K.A.
刊名: Geophysical Research Letters
ISSN: 0094-8979
EISSN: 1944-8710
出版年: 2016
卷: 43, 期:11
起始页码: 5606
结束页码: 5615
语种: 英语
英文关键词: guide-magnetic field reconnection ; Kelvin-Helmholtz waves ; reconnection exhaust
Scopus关键词: Magnetism ; Magnetopause ; Magnetosphere ; Plasma density ; Spacecraft ; Guide magnetic field ; Kelvin-Helmholtz waves ; Magnetic reconnections ; Magnetopause current sheets ; Magnetospheric multi scale ; Mass and energy transport ; Pressure anisotropy ; reconnection exhaust ; Magnetoplasma
英文摘要: The four Magnetospheric Multiscale (MMS) spacecraft recorded the first direct evidence of reconnection exhausts associated with Kelvin-Helmholtz (KH) waves at the duskside magnetopause on 8 September 2015 which allows for local mass and energy transport across the flank magnetopause. Pressure anisotropy-weighted Walén analyses confirmed in-plane exhausts across 22 of 42 KH-related trailing magnetopause current sheets (CSs). Twenty-one jets were observed by all spacecraft, with small variations in ion velocity, along the same sunward or antisunward direction with nearly equal probability. One exhaust was only observed by the MMS-1,2 pair, while MMS-3,4 traversed a narrow CS (1.5 ion inertial length) in the vicinity of an electron diffusion region. The exhausts were locally 2-D planar in nature as MMS-1,2 observed almost identical signatures separated along the guide-field. Asymmetric magnetic and electric Hall fields are reported in agreement with a strong guide-field and a weak plasma density asymmetry across the magnetopause CS. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84977138750&doi=10.1002%2f2016GL068783&partnerID=40&md5=286eceed2dafa36628d4c01bf736d8af
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9942
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: Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, United States

Recommended Citation:
Eriksson S.,Lavraud B.,Wilder F.D.,et al. Magnetospheric Multiscale observations of magnetic reconnection associated with Kelvin-Helmholtz waves[J]. Geophysical Research Letters,2016-01-01,43(11).
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