globalchange  > 气候减缓与适应
DOI: 10.1029/2018JA025183
Scopus记录号: 2-s2.0-85047611570
论文题名:
Observations of Kelvin-Helmholtz Waves in the Earth's Magnetotail Near the Lunar Orbit
作者: Ling Y.; Shi Q.; Shen X.-C.; Tian A.; Li W.; Tang B.; Degeling A.W.; Hasegawa H.; Nowada M.; Zhang H.; Rae I.J.; Zong Q.-G.; Fu S.; Fazakerley A.N.; Pu Z.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:5
起始页码: 3836
结束页码: 3847
语种: 英语
英文摘要: Kelvin-Helmholtz waves (KHWs), which have been widely observed at the magnetopause in the region near the Earth, play an essential role in the transport of solar wind plasma and energy into the magnetosphere under dominantly northward interplanetary magnetic field (IMF) conditions. In this study, we present simultaneous observations of KHWs under the northward IMF observed by both the Acceleration, Reconnection, Turbulence, and Electrodynamics of Moon's Interaction with the Sun (ARTEMIS) spacecraft in the Earth's magnetotail around the lunar orbit (at X ~ −50RE, Y ~ 30RE, dusk side) and the Geotail in the near-Earth space (at X ~ −5RE, Y ~ −10RE, dawn side). The KHWs are quantitatively characterized by their dominant period, phase velocity, and wavelength, utilizing wavelet analysis and an approximation of their center-of-mass velocity. Our results suggest that the phase velocity and spatial scale of KHWs may increase as they propagate along the boundary layer toward the tail. Alternatively, the differences between the ARTEMIS and Geotail observations may indicate the possibility of dawn-dusk asymmetry in the excited KHWs in this study. Our results strongly evidence the existence of the development of KHWs in terms of their wave frequency and scale size in the magnetotail and provide insight to the time evolution of KHWs along the magnetopause. ©2018. The Authors.
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被引频次[WOS]:13   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113996
Appears in Collections:气候减缓与适应

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作者单位: Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Shandong University, Weihai, China; State Key Laboratory of Space Weather, National Space Science Center (NSSC), Chinese Academy of Sciences, Beijing, China; CAS Key Laboratory of Geospace Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China; Swedish Institute of Space Physics, Uppsala, Sweden; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara, Japan; Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, United States; Mullard Space Science Laboratory, University College London, Dorking, United Kingdom; School of Earth and Space Sciences, Peking University, Beijing, China

Recommended Citation:
Ling Y.,Shi Q.,Shen X.-C.,et al. Observations of Kelvin-Helmholtz Waves in the Earth's Magnetotail Near the Lunar Orbit[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(5)
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