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An overturning-like thermospheric Na layer and its relevance to Ionospheric field aligned irregularity and sporadic E

文献类型：期刊论文

作者Xue, Xianghui1,2,3; Li, Guozhu4; Dou, Xiankang1,2,5; Yue, Xinan4,6; Yang, Guotao7; Chen, Jinsong8; Chen, Tingdi2; Ning, Baiqi4; Wang, Jihong7; Wang, Guojun7
刊名JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
出版日期2017-09-01
卷号162页码:151-161
关键词Thermospheric sodium layer Sporadic E Field align irregularity
ISSN号1364-6826
DOI10.1016/j.jastp.2016.12.006
文献子类Article
英文摘要We report an overturning-like structure of the thermospheric sodium layer (TSL) in the altitude region of similar to 100-120 km observed by a sodium lidar at Haikou (20.0 degrees N), China, on July 29, 2012. The overturning-like sodium layer was first seen as upwelling from the top of the sodium layer (similar to 102 km) to an altitude of 118 km from 14:55 to 15:50 UT and then descending gradually from its apex with a speed of 3.5 km/h. The ionospheric observations from the COSMIC radio occultation and three ionosondes exhibited abrupt perturbations in the radio occultation (RO) SNR profiles and spread Es in the ionograms, respectively, indicating the existence of complex Es around Haikou. On the other hand, VHF radars located at Sanya (18.4 degrees N, 220 km away from Haikou) and Fuke (19.5 degrees N, 130 km away from Haikou) both recorded strong E region field-aligned irregularity (FM) echoes altitude-extended structure covering altitudes of 100-140 km, which are well correlated with the overturning-like structure of the thermospheric sodium layer. The good agreement between occurrence time of sodium layer (and FAI) structure and of complex Es could indicate a close correlation between them. One possibility is that the chemical reaction in the course of the complex Es (with altitude-deformed structure) could produce sufficient sodium atoms and thus lead to the formation of sodium layer upwelling structure. Correspondingly, FAI altitude-extended structure could be generated through the gradient drift instability in the altitude-extend (deformed) Es which provide plasma density gradients to support the instability development.
WOS关键词INCOHERENT-SCATTER RADAR ; ATMOSPHERIC SODIUM LAYER ; LIDAR OBSERVATIONS ; SEEK-2 CAMPAIGN ; MESOSPHERE ; REGION ; CHINA ; WIND ; TIME ; TEMPERATURE
WOS研究方向Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000412036500014
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China(41322029 ; Project of Chinese Academy of Sciences(KJCX2-EW-J01 ; Youth Innovation Promotion Association of the Chinese Academy of Sciences(2011324) ; Fundamental Research Funds for the Central Universities ; 41474129 ; KZZD-EW-0101) ; 41421063) ; National Natural Science Foundation of China(41322029 ; Project of Chinese Academy of Sciences(KJCX2-EW-J01 ; Youth Innovation Promotion Association of the Chinese Academy of Sciences(2011324) ; Fundamental Research Funds for the Central Universities ; 41474129 ; KZZD-EW-0101) ; 41421063) ; National Natural Science Foundation of China(41322029 ; Project of Chinese Academy of Sciences(KJCX2-EW-J01 ; Youth Innovation Promotion Association of the Chinese Academy of Sciences(2011324) ; Fundamental Research Funds for the Central Universities ; 41474129 ; KZZD-EW-0101) ; 41421063) ; National Natural Science Foundation of China(41322029 ; Project of Chinese Academy of Sciences(KJCX2-EW-J01 ; Youth Innovation Promotion Association of the Chinese Academy of Sciences(2011324) ; Fundamental Research Funds for the Central Universities ; 41474129 ; KZZD-EW-0101) ; 41421063)
源URL[http://ir.iggcas.ac.cn/handle/132A11/61949]  
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Dou, Xiankang
作者单位1.Univ Sci & Technol China, CAS Key Lab Geospace Environm, Hefei, Anhui, Peoples R China
2.Univ Sci & Technol China, Mengcheng Natl Geophys Observ, Hefei, Anhui, Peoples R China
3.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei, Anhui, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
5.Collaborat Innovat Ctr Astronaut Sci & Technol, Harbin, Heilongjiang, Peoples R China
6.Univ Corp Atmospher Res, COSMIC Program Off, Boulder, CO USA
7.Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing, Peoples R China
8.China Res Inst Radio wave Propagat, Natl Key Lab Electromagnet Environm, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Xue, Xianghui,Li, Guozhu,Dou, Xiankang,et al. An overturning-like thermospheric Na layer and its relevance to Ionospheric field aligned irregularity and sporadic E[J]. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,2017,162:151-161.
APA Xue, Xianghui.,Li, Guozhu.,Dou, Xiankang.,Yue, Xinan.,Yang, Guotao.,...&Wan, Weixing.(2017).An overturning-like thermospheric Na layer and its relevance to Ionospheric field aligned irregularity and sporadic E.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS,162,151-161.
MLA Xue, Xianghui,et al."An overturning-like thermospheric Na layer and its relevance to Ionospheric field aligned irregularity and sporadic E".JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 162(2017):151-161.

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来源：地质与地球物理研究所

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