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Persistence of the Long-Duration Daytime TEC Enhancements at Different Longitudinal Sectors During the August 2018 Geomagnetic Storm

文献类型：期刊论文

作者Li, Qiaoling4,5,7; Huang, Fuqing7,9; Zhong, Jiahao5; Zhang, Ruilong1,3,8; Kuai, Jiawei2; Lei, Jiuhou7,9; Liu, Libo1,3,8,10; Ren, Dexin7,9; Ma, Han1,3,8,10; Yoshikawa, Akimasa6
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2020-11-01
卷号125期号:11页码:17
关键词Ionospheric storm Recovery phase Total electron content Long‐ duration enhancements Multiple longitudinal sectors
ISSN号2169-9380
DOI10.1029/2020JA028238
英文摘要In this study, the ionospheric responses in the Asian-Australian, American, and African sectors during the August 2018 geomagnetic storm were investigated based on the Beidou geostationary orbit (GEO) satellite and Massachusetts Institute of Technology (MIT) Madrigal total electron contents (TECs), combined with measurements from ionosondes, magnetometers, and Global Ultraviolet Imager (GUVI). The middle- and low-latitude TECs were dominated by positive responses over the three longitudinal sectors during the storm on 26-29 August. It is unique that daytime TECs at the Asian-Australian, American, and African sectors displayed large enhancements larger than 10 TEC units (TECu) on 27-29 August, during the recovery phase, when the ionosphere is usually dominated by plasma depletions due to the ionospheric disturbance dynamo and/or disturbed thermospheric compositions. The combination and competition of the disturbed vertical plasma drifts through the solar wind-magnetosphere-ionosphere (SW-M-I) coupling and disturbed neutral compositions contribute significantly to the daytime TEC responses at different longitudinal sectors on 26 August during the main and early recovery phases. The eastward equatorial electrojet and O/N-2 during the recovery phase on 27-29 August are larger than the quiet reference, which suggest that the enhanced upward vertical plasma drifts combining with higher O/N-2 make an important contribution on the daytime positive ionospheric storm during the recovery phase. The enhanced vertical plasma drifts could not be driven by the SW-M-I coupling or ionospheric disturbance dynamo associated with the geomagnetic storm. Further studies should be untaken to explore the dominant sources for the enhanced upward vertical drifts during the recovery phase.
WOS关键词TOTAL ELECTRON-CONTENT ; B DRIFT VELOCITIES ; IONOSPHERIC STORMS ; RECOVERY PHASE ; LATITUDE IONOSPHERE ; F-REGION ; EQUATORIAL ; FIELD ; ELECTRODYNAMICS ; TRANSMISSION
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDB41000000] ; National Natural Science Foundation of China[41831070] ; National Natural Science Foundation of China[41974181] ; National Natural Science Foundation of China[41804150] ; National Natural Science Foundation of China[41774161] ; National Natural Science Foundation of China[41621063] ; National Natural Science Foundation of China[41904140] ; National Natural Science Foundation of China[41804153] ; National Natural Science Foundation of China[41525015] ; National Natural Science Foundation of China[41774186] ; Fundamental Research Funds for the Central Universities[WK2080000130] ; Joint Open Fund of Mengcheng National Geophysical Observatory[MENGO-202018] ; Joint Open Fund of Mengcheng National Geophysical Observatory[MENGO-202010] ; Opening Funding of Chinese Academy of Sciences ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; National Postdoctoral Program for Innovative Talents[BX20180301] ; China Postdoctoral Science Foundation[2018M640175] ; China Postdoctoral Science Foundation[2019M662170] ; Natural Science Foundation of Jiangsu Province[BK20180445] ; Specialized Research Fund for State Key Laboratories ; United States Geological Survey
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000595859400021
出版者AMER GEOPHYSICAL UNION
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; United States Geological Survey ; United States Geological Survey ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; United States Geological Survey ; United States Geological Survey ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; United States Geological Survey ; United States Geological Survey ; Strategic Priority Research Program of Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Joint Open Fund of Mengcheng National Geophysical Observatory ; Opening Funding of Chinese Academy of Sciences ; Opening Funding of Chinese Academy of Sciences ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; Open Research Project of Large Research Infrastructures of CAS-"Study on the interaction between low/mid-latitude atmosphere and ionosphere based on the Chinese Meridian Project" ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; United States Geological Survey ; United States Geological Survey
源URL[http://ir.iggcas.ac.cn/handle/132A11/99861]  
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Zhong, Jiahao
作者单位1.Chinese Acad Sci, Beijing Natl Observ Space Environm, Inst Geol & Geophys, Beijing, Peoples R China
2.Nanjing Univ Aeronaut & Astronaut, Coll Astronaut, Nanjing, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Sate Key Lab Space Weather, Beijing, Peoples R China
5.Sun Yat sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab PEARL, Zhuhai, Peoples R China
6.Kyushu Univ, Int Ctr Space Weather Sci & Educ, Fukuoka, Japan
7.Univ Sci & Technol China, Mengcheng Natl Geophys Observ, Hefei, Peoples R China
8.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
9.Univ Sci & Technol China, Chinese Acad Sci, Sch Earth & Space Sci, Key Lab Geospace Environm, Hefei, Peoples R China
10.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Li, Qiaoling,Huang, Fuqing,Zhong, Jiahao,et al. Persistence of the Long-Duration Daytime TEC Enhancements at Different Longitudinal Sectors During the August 2018 Geomagnetic Storm[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(11):17.
APA Li, Qiaoling.,Huang, Fuqing.,Zhong, Jiahao.,Zhang, Ruilong.,Kuai, Jiawei.,...&Cui, Jun.(2020).Persistence of the Long-Duration Daytime TEC Enhancements at Different Longitudinal Sectors During the August 2018 Geomagnetic Storm.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(11),17.
MLA Li, Qiaoling,et al."Persistence of the Long-Duration Daytime TEC Enhancements at Different Longitudinal Sectors During the August 2018 Geomagnetic Storm".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.11(2020):17.

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来源：地质与地球物理研究所

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