IGGCAS OpenIR  > 地球与行星物理院重点实验室
Equatorial Ionospheric Electrodynamics Over Jicamarca During the 6-11 September 2017 Space Weather Event
Zhang, Ruilong1,2,3; Liu, Libo1,2,3,4; Le, Huijun1,2,3,4; Chen, Yiding1,2,3,4
2019-02-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN2169-9380
Volume124Issue:2Pages:1292-1306
AbstractWe use the observations from the incoherent scatter radar and the magnetometers over Jicamarca (11.95 degrees S, 76.87 degrees W) sector to investigate the equatorial ionospheric electrodynamics on 6-11 September 2017. In this period, there are three X-class solar flares peaked at 12:02, 14:36, and 16:06 UT on 6, 7, and 10 September, respectively, in the local daytime of Jicamarca and a storm with the minimum SYM-H of -146 nT at 01:08 UT on 8 September. The results reveal that the three X-class flares drive the westward disturbance electric field in equatorial region. The flares intensify the westward and eastward equatorial electrojets on 6 and 10 September, while the eastward equatorial electrojet enhances first and then declines on the 7 September flare. The depletion in equatorial electrojet during flare is suggested to be the effects of the weakened electric field. In the storm recovery, the disturbance electric field is westward at similar to 10-16 LT and eastward at postmidnight and early morning sectors on 9-11 September, which is mainly driven by disturbance dynamo electric field (DDEF). Further, it is found that the westward DDEF first occurs at high altitudes and then at low altitudes around 10 LT, and the westward DDEF at 200-500 km has magnitudes increasing with altitudes. Meanwhile, the Jicamarca incoherent scatter radar observations show distinct altitudinal differences in the responses of the F region electron density to the disturbance electric field.
Keywordionospheric electric field solar flare geomagnetic storm ionospheric current
DOI10.1029/2018JA026295
Funding OrganizationNSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS KeywordLOW-LATITUDE IONOSPHERE ; VERTICAL PLASMA DRIFT ; SOLAR-FLARE ; ELECTRIC-FIELDS ; DISTURBANCE DYNAMO ; COUNTER ELECTROJET ; MAGNETIC STORM ; GEOMAGNETIC H ; TIME ; WINDS
Language英语
Funding ProjectNSF through Cornell University[AGS-905448] ; National Natural Science Foundation of China[41621063] ; National Natural Science Foundation of China[41774161] ; National Postdoctoral Program for Innovative Talents[BX20180301] ; China Postdoctoral Science Foundation[2018M640175] ; Chinese Academy of Sciences
Funding OrganizationNSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; NSF through Cornell University ; NSF through Cornell University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Postdoctoral Program for Innovative Talents ; National Postdoctoral Program for Innovative Talents ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000462015700030
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91067
Collection地球与行星物理院重点实验室
Corresponding AuthorLiu, Libo
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing Natl Observ Space Environm, Beijing, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Ruilong,Liu, Libo,Le, Huijun,et al. Equatorial Ionospheric Electrodynamics Over Jicamarca During the 6-11 September 2017 Space Weather Event[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2019,124(2):1292-1306.
APA Zhang, Ruilong,Liu, Libo,Le, Huijun,&Chen, Yiding.(2019).Equatorial Ionospheric Electrodynamics Over Jicamarca During the 6-11 September 2017 Space Weather Event.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,124(2),1292-1306.
MLA Zhang, Ruilong,et al."Equatorial Ionospheric Electrodynamics Over Jicamarca During the 6-11 September 2017 Space Weather Event".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 124.2(2019):1292-1306.
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