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Detection of Mesospheric CO2 Ice Clouds on Mars in Southern Summer

文献类型：期刊论文

作者Jiang, F. Y.1,2; Yelle, Roger, V1; Jain, S. K.3; Cui, J.2,4,5; Montmessin, F.6; Schneider, N. M.3; Deighan, J.3; Groller, H.1; Verdier, L.6
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2019-07-28
卷号46期号:14页码:7962-7971
ISSN号0094-8276
DOI10.1029/2019GL082029
英文摘要This paper reports the first detections of two high-altitude nighttime CO2 clouds on Mars during southern summer (L-s = 264 degrees and L-s = 330 degrees) with stellar occultation measurements by the Imaging Ultraviolet Spectrograph on board the Mars Atmosphere and Volatile Evolution spacecraft. Interpretation of the transmission spectra with Mie theory indicates particle radii of similar to 90-110 nm assuming a monodisperse distribution. The altitude profile of extinction indicates that the cloud layers are confined horizontally to sizes less than similar to 500-700 km. Examination of the CO2 density and temperature profiles reveals strong wave-like perturbations. Supersaturated temperatures occur at the maximum negative extent of these wave-like perturbations, which are organized in longitude with a dominant m = 3 zonal harmonic. This suggests that tides are important in the formation of CO2 clouds.
WOS关键词MARTIAN ATMOSPHERE ; NONMIGRATING TIDES ; THERMAL TIDES ; WATER-VAPOR ; THERMOSPHERE ; SIMULATION ; SNOWFALL ; MODELS
资助项目NASA through the MAVEN project ; National Natural Science Foundation of China[41525015] ; National Natural Science Foundation of China[41774186] ; National Science Foundation[ACI-1532235] ; National Science Foundation[ACI-1532236] ; University of Colorado Boulder ; Colorado State University
WOS研究方向Geology
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:000481818900012
资助机构NASA through the MAVEN project ; NASA through the MAVEN project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation ; National Science Foundation ; University of Colorado Boulder ; University of Colorado Boulder ; Colorado State University ; Colorado State University ; NASA through the MAVEN project ; NASA through the MAVEN project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation ; National Science Foundation ; University of Colorado Boulder ; University of Colorado Boulder ; Colorado State University ; Colorado State University ; NASA through the MAVEN project ; NASA through the MAVEN project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation ; National Science Foundation ; University of Colorado Boulder ; University of Colorado Boulder ; Colorado State University ; Colorado State University ; NASA through the MAVEN project ; NASA through the MAVEN project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation ; National Science Foundation ; University of Colorado Boulder ; University of Colorado Boulder ; Colorado State University ; Colorado State University
源URL[http://ir.bao.ac.cn/handle/114a11/27414]  
专题中国科学院国家天文台
通讯作者Jiang, F. Y.
作者单位1.Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85721 USA
2.Chinese Acad Sci, Natl Astron Observ, CAS Key Lab Lunar & Deep Space Explorat, Beijing, Peoples R China
3.Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80309 USA
4.Sun Yat Sen Univ, Sch Atmospher Sci, Zhuhai, Peoples R China
5.Chinese Acad Sci, CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China
6.UVSQ Univ Paris Saclay, Sorbonne Univ, CNRS, Lab Atmospheres Milieux Observat Spatiales LATMOS, Paris, France
推荐引用方式
GB/T 7714		 Jiang, F. Y.,Yelle, Roger, V,Jain, S. K.,et al. Detection of Mesospheric CO2 Ice Clouds on Mars in Southern Summer[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(14):7962-7971.
APA Jiang, F. Y..,Yelle, Roger, V.,Jain, S. K..,Cui, J..,Montmessin, F..,...&Verdier, L..(2019).Detection of Mesospheric CO2 Ice Clouds on Mars in Southern Summer.GEOPHYSICAL RESEARCH LETTERS,46(14),7962-7971.
MLA Jiang, F. Y.,et al."Detection of Mesospheric CO2 Ice Clouds on Mars in Southern Summer".GEOPHYSICAL RESEARCH LETTERS 46.14(2019):7962-7971.

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来源：国家天文台

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