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Abnormal Phase Structure of Thermal Tides During Major Dust Storms on Mars: Implications for the Excitation Source of High-altitude Water Ice Clouds
Wu, Zhaopeng1,4; Li, Tao2,4; Li, Jing1,2; Zhang, Xi3; Yang, Chengyun2,4; Cui, Jun1,4,5
2021-04-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
ISSN2169-9097
Volume126Issue:4Pages:16
AbstractInteractions among the thermal tide, airborne dust, and water ice clouds significantly influence the Martian atmosphere. The absence of a stratosphere on Mars allows easier identification of the thermal tides from observational data than that on Earth, making Mars a natural laboratory to study the tidal excitation and propagation processes. However, the global tidal phase structure and its response to the tidal excitation sources on Mars have not been studied from observations. Here, we present a comprehensive analysis of the phase structure of migrating diurnal tide (DW1) using multi-local-time observations of the Mars Climate Sounder. The DW1 phase at low-to-mid latitudes shows a downward phase progression, which indicates upward tidal energy and momentum propagation throughout the year but with an apparent hemispheric asymmetry. The entire DW1 phase structure rises and falls with the dust height at the southern mid-latitudes suggesting a modulation of vertical dust extent on the altitude of the excitation source. During major regional dust storms, the DW1 phase propagates anomalously upward from 10 to 1 Pa in the Southern hemisphere. The Hough analysis suggests that the DW1 in the dust layer can only propagate upward to 10 Pa while the downward propagating mode above 10 Pa may be excited from a high-altitude source. Evidence suggests that the enhanced high-altitude water ice clouds could be a potential excitation source for these downward propagating tidal modes. These findings demonstrate how thermal tides can locally behave like inertia-gravity waves and the importance of water ice clouds to Martian atmospheric dynamics.
KeywordDust storm excitation source Martian atmosphere thermal tide water ice cloud
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration
DOI10.1029/2020JE006758
WOS KeywordMARTIAN ATMOSPHERE ; SEASONAL-VARIATION ; MIDDLE ATMOSPHERE ; WAVES ; RESOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[42004147] ; National Natural Science Foundation of China[41525015] ; National Natural Science Foundation of China[41774186] ; National Natural Science Foundation of China[41974175] ; National Natural Science Foundation of China[42004133] ; NSF[AST1740921] ; Guangdong Basic and Applied Basic Research Foundation[2019A1515110815] ; B-type Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000] ; pre-research project on Civil Aerospace Technologies of China National Space Administration[D020105]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSF ; NSF ; Guangdong Basic and Applied Basic Research Foundation ; Guangdong Basic and Applied Basic Research Foundation ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; pre-research project on Civil Aerospace Technologies of China National Space Administration ; pre-research project on Civil Aerospace Technologies of China National Space Administration
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000643941100021
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/77905
Collection中国科学院国家天文台
Corresponding AuthorLi, Tao
Affiliation1.Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab, Zhuhai, Guangdong, Peoples R China
2.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China
3.Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA 95064 USA
4.CAS Ctr Excellence Comparat Planetol, Hefei, Anhui, Peoples R China
5.Chinese Acad Sci, CAS Key Lab Lunar & Deep Space Explorat, Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wu, Zhaopeng,Li, Tao,Li, Jing,et al. Abnormal Phase Structure of Thermal Tides During Major Dust Storms on Mars: Implications for the Excitation Source of High-altitude Water Ice Clouds[J]. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS,2021,126(4):16.
APA Wu, Zhaopeng,Li, Tao,Li, Jing,Zhang, Xi,Yang, Chengyun,&Cui, Jun.(2021).Abnormal Phase Structure of Thermal Tides During Major Dust Storms on Mars: Implications for the Excitation Source of High-altitude Water Ice Clouds.JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS,126(4),16.
MLA Wu, Zhaopeng,et al."Abnormal Phase Structure of Thermal Tides During Major Dust Storms on Mars: Implications for the Excitation Source of High-altitude Water Ice Clouds".JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS 126.4(2021):16.
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