globalchange  > 气候减缓与适应
DOI: 10.1029/2018JA025349
Scopus记录号: 2-s2.0-85052372757
论文题名:
Dayside Magnetospheric and Ionospheric Responses to a Foreshock Transient on 25 June 2008: 1. FLR Observed by Satellite and Ground-Based Magnetometers
作者: Shen X.-C.; Shi Q.; Wang B.; Zhang H.; Hudson M.K.; Nishimura Y.; Hartinger M.D.; Tian A.; Zong Q.-G.; Rae I.J.; Degeling A.W.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:8
起始页码: 6335
结束页码: 6346
语种: 英语
英文关键词: FLR ; foreshock transient ; Pc5 wave ; ULF wave
英文摘要: As one type of driver of magnetospheric Alfvén waves, foreshock transients have received less attention than, for example, the Kelvin-Helmholtz instability, discrete and broadband frequency solar wind dynamic pressure oscillations, and interplanetary shocks. Previous works show that foreshock transients can induce both Alfvén mode and compressional mode Pc 3–5 ULF waves inside the magnetosphere. However, to our knowledge, none of these reported Pc 3–5 waves, induced by foreshock transients, are proved to be localized in the magnetosphere. In this paper, using in situ and ground-based observations, we report the generation of localized magnetospheric compressional waves and field line resonances (FLRs) by a foreshock transient. Both the foreshock transient and Pc 5 ULF waves were found on the duskside; while on the morning side of the magnetosphere, no clear wave signatures were captured. Our results demonstrate that in addition to the global effects of foreshock transients on the magnetosphere reported earlier, foreshock transients can also generate localized magnetospheric responses in the Pc 5 range with clear dawn-dusk asymmetry. A suite of eight dayside spacecraft plus ground magnetometer measurements make possible the determination of the foreshock transient driver and dawn-dusk asymmetry of the magnetospheric response not previously reported with such a complete data set. ©2018. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113394
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; High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO, United States; Department of Astronomy and Center for Space Sciences, Boston University, Boston, MA, United States; Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA, United States; Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, United States; Department of Electrical and Computer Engineering and Center for Space Sciences, Boston University, Boston, MA, United States; Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States; School of Earth and Space Sciences, Peking University, Beijing, China; Mullard Space Science Laboratory, University College London, Dorking, United Kingdom

Recommended Citation:
Shen X.-C.,Shi Q.,Wang B.,et al. Dayside Magnetospheric and Ionospheric Responses to a Foreshock Transient on 25 June 2008: 1. FLR Observed by Satellite and Ground-Based Magnetometers[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(8)
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