DOI: 10.1002/2015GL064968
论文题名: Low-frequency waves in the Martian magnetosphere and their response to upstream solar wind driving conditions
作者: Ruhunusiri S. ; Halekas J.S. ; Connerney J.E.P. ; Espley J.R. ; McFadden J.P. ; Larson D.E. ; Mitchell D.L. ; Mazelle C. ; Jakosky B.M.
刊名: Geophysical Research Letters
ISSN: 0094-8451
EISSN: 1944-8182
出版年: 2015
卷: 42, 期: 21 起始页码: 8917
结束页码: 8924
语种: 英语
英文关键词: magnetosphere
; Mars
; MAVEN
; MHD
; plasma
; waves
Scopus关键词: Ions
; Magnetometers
; Magnetosphere
; Plasma shock waves
; Plasmas
; Solar wind
; Waves
; Driving conditions
; Low-frequency plasmas
; Low-frequency waves
; Magnetic pileup boundary
; Mars
; MAVEN
; Solar wind dynamic pressure
; Volatile evolution
; Magnetohydrodynamics
; atmospheric wave
; frequency analysis
; instrumentation
; ion exchange
; magnetic field
; magnetometer
; magnetosphere
; Martian atmosphere
; plasma
; solar wind
英文摘要: We characterize low-frequency plasma waves in the Martian magnetosphere and in the upstream region by using transport ratios. To compute the transport ratios, we use Mars Atmosphere and Volatile EvolutioN mission's (MAVEN) solar wind ion analyzer and suprathermal and thermal ion composition instrument measurements of the ion moments and the magnetometer measurements of the magnetic field. We find that the Alfvén waves are the most dominant wave mode in the upstream region and the magnetosheath. Fast waves are found frequently near the bow shock and the magnetic pileup boundary. Mirror and slow waves, on the other hand, occur much less frequently. We also find that the Alfvén and fast wave occurrences vary dominantly near the bow shock in response to the solar wind dynamic pressure. © 2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84955170466&doi=10.1002%2f2015GL064968&partnerID=40&md5=2c008ef15daa737bab7b37d50285feaa
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8067
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: Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States
Recommended Citation:
Ruhunusiri S.,Halekas J.S.,Connerney J.E.P.,et al. Low-frequency waves in the Martian magnetosphere and their response to upstream solar wind driving conditions[J]. Geophysical Research Letters,2015-01-01,42(21).