globalchange  > 气候减缓与适应
DOI: 10.1029/2018JE005626
Scopus记录号: 2-s2.0-85050878588
论文题名:
Spatial, Seasonal, and Solar Cycle Variations of the Martian Total Electron Content (TEC): Is the TEC a Good Tracer for Atmospheric Cycles?
作者: Sánchez-Cano B.; Lester M.; Witasse O.; Blelly P.-L.; Indurain M.; Cartacci M.; González-Galindo F.; Vicente-Retortillo Á.; Cicchetti A.; Noschese R.
刊名: Journal of Geophysical Research: Planets
ISSN: 21699097
出版年: 2018
卷: 123, 期:7
起始页码: 1746
结束页码: 1759
语种: 英语
英文关键词: atmospheric coupling ; ionosphere modeling ; Mars Express ; Mars ionosphere ; Mars thermosphere
英文摘要: We analyze 10 years of Mars Express total electron content (TEC) data from the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) instrument. We describe the spatial, seasonal, and solar cycle behavior of the Martian TEC. Due to orbit evolution, data come mainly from the evening, dusk terminator and postdusk nightside. The annual TEC profile shows a peak at Ls = 25–75° which is not related to the solar irradiance variation but instead coincides with an increase in the thermospheric density, possibly linked with variations in the surface pressure produced by atmospheric cycles such as the CO2 or water cycles. With the help of numerical modeling, we explore the contribution of the ion species to the TEC and the coupling between the thermosphere and ionosphere. These are the first observations which show that the TEC is a useful parameter, routinely measured by Mars Express, of the dynamics of the lower-upper atmospheric coupling and can be used as tracer for the behavior of the thermosphere. ©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/113597
Appears in Collections:气候减缓与适应

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作者单位: Radio and Space Plasma Physics Group, Department of Physics and Astronomy, University of Leicester, Leicester, United Kingdom; European Space Agency, ESTEC-Scientific Support Office, Noordwijk, Netherlands; Institut de Recherche en Astrophysique et Planétologie, Toulouse, France; Istituto Nazionale di Astrofisica, Istituto di Astrofisica e Planetologia Spaziali, Rome, Italy; Instituto de Astrofísica de Andalucía, CSIC, Granada, Spain; Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI, United States

Recommended Citation:
Sánchez-Cano B.,Lester M.,Witasse O.,et al. Spatial, Seasonal, and Solar Cycle Variations of the Martian Total Electron Content (TEC): Is the TEC a Good Tracer for Atmospheric Cycles?[J]. Journal of Geophysical Research: Planets,2018-01-01,123(7)
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