globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL059954
论文题名:
Dayside episodic ion outflow from Martian magnetic cusps and/or magnetosheath boundary motion associated with plasma oscillations
作者: Duru F.; Gurnett D.A.; Morgan D.D.; Lundin R.; Duru I.H.; Winningham J.D.; Frahm R.A.
刊名: Geophysical Research Letters
ISSN: 0094-10045
EISSN: 1944-9776
出版年: 2014
卷: 41, 期:10
起始页码: 3344
结束页码: 3350
语种: 英语
英文关键词: ionosphere ; Mars
Scopus关键词: Ionosphere ; Ionospheric measurement ; Electron plasma oscillation ; Ionospheric plasmas ; Magnetic field line ; Mars ; Mars Express spacecraft ; Martian ionosphere ; Measurements of ; Multiple crossings ; Plasma oscillations ; data set ; episodic event ; ionosphere ; magnetic field ; magnetopause ; Martian atmosphere ; outflow ; plasma ; radar
英文摘要: The radar sounder on the Mars Express Spacecraft is able to make measurements of electron densities in the Martian ionosphere from both local electron plasma oscillations and remote soundings. A study of thousands of orbits shows that in some cases the electron plasma oscillations disappear and reappear abruptly near the upper boundary of the dayside ionosphere. In some cases, the Analyzer of Space Plasmas and Energetic Atoms (ASPERA-3) data show clear evidence of upwardly accelerated ionospheric ions, on interconnected magnetic field lines. In other cases, ASPERA-3 data show that when the plasma oscillations disappear, the spacecraft is in the magnetosheath and when they return, the ionospheric plasma reappears. These intermittent appearances of plasma suggest the multiple crossings of the magnetosheath boundary. The motion of the boundary or plasma clouds and ionospheric streamers (a relatively narrow strip of plasma attached to the ionosphere) can cause these multiple crossings. © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84901383067&doi=10.1002%2f2014GL059954&partnerID=40&md5=371a6015ac2c7a798a4ed510451ad107
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7309
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作者单位: Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States

Recommended Citation:
Duru F.,Gurnett D.A.,Morgan D.D.,et al. Dayside episodic ion outflow from Martian magnetic cusps and/or magnetosheath boundary motion associated with plasma oscillations[J]. Geophysical Research Letters,2014-01-01,41(10).
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