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Concurrent effects of Martian topography on the thermosphere and ionosphere at high northern latitudes

文献类型：期刊论文

作者Chen, Yiding1,2,3,5; Liu, Libo1,2,4,5; Le, Huijun1,2,4,5; Zhang, Hui1,2,4,5; Zhang, Ruilong1,2,4,5
刊名EARTH PLANETS AND SPACE
出版日期2022-02-09
卷号74期号:1页码:13
关键词Martian ionosphere Neutral scale height Longitude variation
DOI10.1186/s40623-022-01582-w
英文摘要Martian topography modulated non-migrating tides play important roles in the upper atmosphere and thus in the ionosphere through their coupling, especially in their longitude variations. In this study, the neutral scale height (H-n) and ionospheric peak electron density (NmM2) and height (h(m)M(2)) retrieved from the MGS radio occultation measurements were used to investigate the coupling between the Martian thermosphere and ionosphere under the forcing of topography modulated tides by investigating their concurrent longitude variations. A segment of the measurements with fixed local time was selected to analyze the relationships between the longitude variations of the parameters in detail. Longitude variations of the thermosphere and ionosphere are significant though topographic fluctuations are not very prominent at high northern latitudes. Longitude fluctuations of H-n and NmM2 are nearly in anti-phase and percentage fluctuation amplitudes of H-n are nearly twice as large as those of NmM2, which indicate the non-migrating tide forced coupling between the ionosphere and thermosphere conforms to the Chapman theory, and suggests longitude variation of NmM2 can be used as a quantitative indicator for that of the thermal structure in the lower thermosphere. Longitude variation phases of H-n and h(m)M(2) are also discrepant. That is due to tide vertical propagation since H-n and h(m)M(2) depend on the atmospheric thermal structures at different height levels. The thermosphere and ionosphere show longitude variations due to the topography; however, they are dominated by inconsistent longitude components. This implies discrepant exciting and propagating efficiencies of various topography modulated tides.
WOS关键词MARS GLOBAL SURVEYOR ; ELECTRON-DENSITY PROFILES ; UPPER-ATMOSPHERE ; THERMAL TIDES ; IN-SITU ; MAVEN
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDB 41000000] ; National Natural Science Foundation of China[41922029] ; National Natural Science Foundation of China[42030202] ; Youth Innovation Promotion Association, CAS[Y202021]
WOS研究方向Geology
语种英语
WOS记录号WOS:000753403400001
出版者SPRINGER
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS ; Youth Innovation Promotion Association, CAS ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS ; Youth Innovation Promotion Association, CAS ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS ; Youth Innovation Promotion Association, CAS ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS ; Youth Innovation Promotion Association, CAS
源URL[http://ir.iggcas.ac.cn/handle/132A11/102761]  
专题地质与地球物理研究所_中国科学院地球与行星物理重点实验室
通讯作者Chen, Yiding
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Heilongjiang Mohe Observ Geophys, Beijing 100029, Peoples R China
5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Yiding,Liu, Libo,Le, Huijun,et al. Concurrent effects of Martian topography on the thermosphere and ionosphere at high northern latitudes[J]. EARTH PLANETS AND SPACE,2022,74(1):13.
APA Chen, Yiding,Liu, Libo,Le, Huijun,Zhang, Hui,&Zhang, Ruilong.(2022).Concurrent effects of Martian topography on the thermosphere and ionosphere at high northern latitudes.EARTH PLANETS AND SPACE,74(1),13.
MLA Chen, Yiding,et al."Concurrent effects of Martian topography on the thermosphere and ionosphere at high northern latitudes".EARTH PLANETS AND SPACE 74.1(2022):13.

入库方式： OAI收割

来源：地质与地球物理研究所

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