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Multiple Technique Observations of the Ionospheric Responses to the 21 June 2020 Solar Eclipse

文献类型：期刊论文

作者Zhang, Ruilong3,4,5; Le, Huijun2,3,4,5; Li, Wenbo2,3,4,5; Ma, Han2,3,4,5; Yang, Yuyan2,3,4,5; Huang, He5; Li, Qiaoling1,7; Zhao, Xiukuan3,4,5; Xie, Haiyong3,4,5; Sun, Wenjie3,4,5
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2020-12-01
卷号125期号:12页码:15
ISSN号2169-9380
DOI10.1029/2020JA028450
英文摘要We investigate the ionospheric response to the 21 June 2020 annular solar eclipse using the multiinstrument observations including ionosondes, Global Navigation Satellite System (GNNS) receivers, COSMIC2, and DMSP and SWARM satellites. During the course of the eclipse, total electron content (TEC) decreased slightly in the morning at 20-70 degrees E and largely in the afternoon at 80-150 degrees E. However, maximum TEC depletion did not occur at the maximum obscuration, but stayed close to the southern edge of the running totality during the eclipse and near the northern edge of the elapsed totality after the eclipse. NmF2 showed the similar variation as TEC around 110 degrees E. Meanwhile, a northward disturbance field-aligned plasma drift was observed in the eclipse region and the disturbance became strong in the southern side of the totality around 120 degrees E. The TEC and Swarm data revealed that the crests of the equatorial ionization anomaly (EIA) enhanced on both sides of the equator around noon in similar to 50-100 degrees E although the northern crest was still in the Moon's shadow. The COSMIC2 profiles displayed the enhanced electron density in similar to 300-500 km altitudes and decreased density below similar to 300 km altitudes around the EIA crests in similar to 70 degrees E. The Swarm observations recorded a drop in the electron temperature both in eclipse region and in conjugate hemisphere in 77 degrees E and 96 degrees E. The combined effect from the electric field, neutral wind, thermal conduction, and interhemispheric photoelectron transport might result in the complicated space and time variations of ionospheric responses to the eclipse.
WOS关键词TOTAL ELECTRON-CONTENT ; AUGUST 2017 ; MARCH 9 ; THERMOSPHERE ; PREDICTION ; BEHAVIOR
资助项目B-type Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000] ; National Key Research and Development Program[2018YFC1503504] ; National Key Research and Development Program[2017YFE0131400] ; National Natural Science Foundation of China[41904140] ; National Natural Science Foundation of China[41822403] ; National Natural Science Foundation of China[42030202] ; National Natural Science Foundation of China[41774161] ; National Postdoctoral Program for Innovative Talents[BX20180301] ; China Postdoctoral Science Foundation[2018M640175] ; Opening Funding of Chinese Academy of Sciences ; Joint Open Fund of Mengcheng National Geophysical Observatory[MENGO-202018] ; Meridian Project of China ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000603639900016
出版者AMER GEOPHYSICAL UNION
资助机构B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; B-type Strategic Priority Program of the Chinese Academy of Sciences ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Key Research and Development Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Meridian Project of China ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences ; Solar-Terrestrial Environment Research Network of Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/99926]  
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Le, Huijun
作者单位1.Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab PEARL, Zhuhai, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Mohe Observ Geophys, Beijing, Peoples R China
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
6.Chinese Acad Sci, Beijing Natl Observ Space Environm, Inst Geol & Geophys, Beijing, Peoples R China
7.Univ Sci & Technol China, Mengcheng Natl Geophys Observ, Hefei, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Ruilong,Le, Huijun,Li, Wenbo,et al. Multiple Technique Observations of the Ionospheric Responses to the 21 June 2020 Solar Eclipse[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(12):15.
APA Zhang, Ruilong.,Le, Huijun.,Li, Wenbo.,Ma, Han.,Yang, Yuyan.,...&Liu, Libo.(2020).Multiple Technique Observations of the Ionospheric Responses to the 21 June 2020 Solar Eclipse.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(12),15.
MLA Zhang, Ruilong,et al."Multiple Technique Observations of the Ionospheric Responses to the 21 June 2020 Solar Eclipse".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.12(2020):15.

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来源：地质与地球物理研究所

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