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Auroral-Enhanced Plasma Lines by Suprathermal Electrons Observed by EISCAT

文献类型：期刊论文

作者Feng, Ting1; Liu, Moran1; Xu, Bin2; Xu, Tong2; Gao, Shuaihe3; Wang, Xiang1; Zhou, Chen1
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2021-03-01
卷号126期号:3页码:11
关键词EISCAT morphological image processing plasma lines suprathermal electron
ISSN号2169-9380
DOI10.1029/2020JA028495
英文摘要Plasma lines (PLs) observed by the European Incoherent Scatter Scientific Association (EISCAT) incoherent scatter radar (ISR) data set during the recent solar maximum 2014 are investigated. To statistically analyze the PLs in the EISCAT data set, we develop an algorithm for the automatic extraction of naturally enhanced PLs from the ISR spectra. Two typical types of auroral-enhanced PLs at high latitude, namely, secondary electron and electron beam, are analyzed based on this PL extraction algorithm. Our results show that PL enhancements originating from secondary electrons and electron beams present evident magnetic local time dependence. Moreover, the statistical study indicates that the PL enhancements are correlated with the geomagnetic and solar activities. These results can provide insights into solar wind-magnetosphere-ionosphere coupling mechanisms.
资助项目research organization in China (CRIRP) ; research organization in Finland (SA) ; research organization in Japan (NIPR) ; research organization in Japan (STEL) ; research organization in Norway (NFR) ; research organization in Sweden (VR) ; research organization in United Kingdom (NERC) ; National Natural Science Foundation of China (NSFC)[42074187] ; National Natural Science Foundation of China (NSFC)[41774162] ; National Natural Science Foundation of China (NSFC)[41704155] ; China Postdoctoral Science Foundation[2017M622504] ; National Key R&D Program of China[2018YFC1503506] ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation[2019CFA054]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000636288800001
出版者AMER GEOPHYSICAL UNION
资助机构research organization in China (CRIRP) ; research organization in China (CRIRP) ; research organization in Finland (SA) ; research organization in Finland (SA) ; research organization in Japan (NIPR) ; research organization in Japan (NIPR) ; research organization in Japan (STEL) ; research organization in Japan (STEL) ; research organization in Norway (NFR) ; research organization in Norway (NFR) ; research organization in Sweden (VR) ; research organization in Sweden (VR) ; research organization in United Kingdom (NERC) ; research organization in United Kingdom (NERC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; research organization in China (CRIRP) ; research organization in China (CRIRP) ; research organization in Finland (SA) ; research organization in Finland (SA) ; research organization in Japan (NIPR) ; research organization in Japan (NIPR) ; research organization in Japan (STEL) ; research organization in Japan (STEL) ; research organization in Norway (NFR) ; research organization in Norway (NFR) ; research organization in Sweden (VR) ; research organization in Sweden (VR) ; research organization in United Kingdom (NERC) ; research organization in United Kingdom (NERC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; research organization in China (CRIRP) ; research organization in China (CRIRP) ; research organization in Finland (SA) ; research organization in Finland (SA) ; research organization in Japan (NIPR) ; research organization in Japan (NIPR) ; research organization in Japan (STEL) ; research organization in Japan (STEL) ; research organization in Norway (NFR) ; research organization in Norway (NFR) ; research organization in Sweden (VR) ; research organization in Sweden (VR) ; research organization in United Kingdom (NERC) ; research organization in United Kingdom (NERC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; research organization in China (CRIRP) ; research organization in China (CRIRP) ; research organization in Finland (SA) ; research organization in Finland (SA) ; research organization in Japan (NIPR) ; research organization in Japan (NIPR) ; research organization in Japan (STEL) ; research organization in Japan (STEL) ; research organization in Norway (NFR) ; research organization in Norway (NFR) ; research organization in Sweden (VR) ; research organization in Sweden (VR) ; research organization in United Kingdom (NERC) ; research organization in United Kingdom (NERC) ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Key R&D Program of China ; National Key R&D Program of China ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation ; Excellent Youth Foundation of Hubei Provincial Natural Science Foundation
源URL[http://210.72.145.45/handle/361003/11026]  
专题中国科学院国家授时中心
通讯作者Liu, Moran; Wang, Xiang; Zhou, Chen
作者单位1.Wuhan Univ, Sch Elect Informat, Dept Space Phys, Wuhan, Peoples R China
2.China Res Inst Radio Wave Propagat, Natl Key Lab Electromagnet Environm, Qingdao, Peoples R China
3.Chinese Acad Sci, Natl Time Serv Ctr, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Feng, Ting,Liu, Moran,Xu, Bin,et al. Auroral-Enhanced Plasma Lines by Suprathermal Electrons Observed by EISCAT[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2021,126(3):11.
APA Feng, Ting.,Liu, Moran.,Xu, Bin.,Xu, Tong.,Gao, Shuaihe.,...&Zhou, Chen.(2021).Auroral-Enhanced Plasma Lines by Suprathermal Electrons Observed by EISCAT.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,126(3),11.
MLA Feng, Ting,et al."Auroral-Enhanced Plasma Lines by Suprathermal Electrons Observed by EISCAT".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 126.3(2021):11.

入库方式： OAI收割

来源：国家授时中心

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