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First Observational Evidence for the Role of Polar Vortex Strength in Modulating the Activity of Planetary Waves in the MLT Region

文献类型：期刊论文

作者Ma, Zheng1,2; Gong, Yun1,2; Zhang, Shaodong1,2,3; Zhou, Qihou4; Huang, Chunming1,2; Huang, Kaiming1,2; Li, Guozhu5
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2022-02-16
卷号49期号:3页码:10
关键词planetary waves polar vortex sudden stratospheric warming
ISSN号0094-8276
DOI10.1029/2021GL096548
英文摘要Based on the meteor winds measured at Mohe (MH; 53.5 degrees N, 122.3 degrees E) and the reanalysis data, we investigate the variations of planetary waves in the mesosphere and lower thermosphere (MLT) region during the 2019/2020 Arctic winter. Four stratospheric polar warmings, including two sudden stratospheric warmings (SSWs), are observed from November 2019 to March 2020. Quasi-10-day waves (Q10DWs) are found to be enhanced following three of these warmings in the zonal winds in the MLT region over MH, but unusually weak after the SSW in February 2020. The trigger mechanisms of the enhanced Q10DWs are investigated and the reason for the unusually weak Q10DWs in February is revealed. Upward propagations and in situ generations of Q10DWs are both limited during the February SSW. Our analysis indicates that Q10DWs in the MLT region in February 2020 are largely inhibited by the extremely strong polar vortex and a lack of mesospheric instability.
WOS关键词STRATOSPHERIC WARMING EVENTS
资助项目National Natural Science Foundation of China[42104145] ; National Natural Science Foundation of China[41574142] ; National Natural Science Foundation of China[41531070] ; National Natural Science Foundation of China[42127805] ; China Postdoctoral Science Foundation[2021M692465] ; China Postdoctoral Science Foundation[2020TQ0230] ; National Science Foundation[AGS-1744033]
WOS研究方向Geology
语种英语
WOS记录号WOS:000759485200061
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Science Foundation ; National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Science Foundation ; National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Science Foundation ; National Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Science Foundation ; National Science Foundation
源URL[http://ir.iggcas.ac.cn/handle/132A11/104978]  
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Gong, Yun
作者单位1.Wuhan Univ, Sch Elect Informat, Wuhan, Peoples R China
2.Minist Educ, Key Lab Geospace Environm & Geodesy, Wuhan, Peoples R China
3.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan, Peoples R China
4.Miami Univ, Elect & Comp Engn Dept, Oxford, OH 45056 USA
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Ma, Zheng,Gong, Yun,Zhang, Shaodong,et al. First Observational Evidence for the Role of Polar Vortex Strength in Modulating the Activity of Planetary Waves in the MLT Region[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(3):10.
APA Ma, Zheng.,Gong, Yun.,Zhang, Shaodong.,Zhou, Qihou.,Huang, Chunming.,...&Li, Guozhu.(2022).First Observational Evidence for the Role of Polar Vortex Strength in Modulating the Activity of Planetary Waves in the MLT Region.GEOPHYSICAL RESEARCH LETTERS,49(3),10.
MLA Ma, Zheng,et al."First Observational Evidence for the Role of Polar Vortex Strength in Modulating the Activity of Planetary Waves in the MLT Region".GEOPHYSICAL RESEARCH LETTERS 49.3(2022):10.

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来源：地质与地球物理研究所

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