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Longitudinal Evolution of Storm-Enhanced Densities: A Case Study

文献类型：期刊论文

作者Li, Bo1,2,3; Le, Huijun1,2,3,4; Li, Wenbo1,2,3; Chen, Yiding1,2,3,5; Liu, Libo1,2,3,4
刊名REMOTE SENSING
出版日期2022-12-01
卷号14期号:24页码:12
关键词storm-enhanced density longitudinal evolution eastward auroral electrojets
DOI10.3390/rs14246340
英文摘要Due to the limitations on observational data, most storm-enhanced density (SED) studies have focused on the North American sector. The complete picture of the longitudinal evolution of SEDs is still not clear. In this study, we investigated the dynamic evolution of SEDs from the European sector to the North American sector during a geomagnetic storm that occurred on the 15 July 2012, the main phase of which lasted nearly 30 h, maintaining the stable interplanetary magnetic field (IMF) and solar wind input conditions. Multiple data sets were analyzed, including convection data from the Super Dual Auroral Radar Network (SuperDARN), total electron contents (TECs) from the Madrigal database, plasma data from the Millstone Hill incoherent scatter radar (MHISR), solar wind and geomagnetic indices from OMNIWeb, and regional auroral electrojet indices from SuperMAG. The observations showed that the positions of SEDs shifted from local noon over the European sector towards dusk over the American sector and simultaneously moved to lower latitudes. The peak values of SED TECs were found to be greater in the European sector and to decrease with universal time. A double SED phenomenon appeared in the North American sector, which is the first of its kind to be reported. Further analysis showed that the temporal and spatial changes in the SEDs were associated with the eastward auroral electrojet.
WOS关键词ELECTRIC POTENTIALS ; LATITUDE IONOSPHERE ; MARCH 2015 ; THERMOSPHERE ; IONIZATION ; SUPERDARN ; TONGUE ; MODEL
资助项目B-type Strategic Priority Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China[XDB41000000] ; Youth Innovation Promotion Association CAS[42030202] ; Youth Innovation Promotion Association CAS[41822403] ; [Y201915]
WOS研究方向Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
语种英语
WOS记录号WOS:000904531600001
出版者MDPI
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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; 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 Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS ; Youth Innovation Promotion Association CAS
源URL[http://ir.iggcas.ac.cn/handle/132A11/106966]  
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.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Heilongjiang Mohe Observ Geophys, Beijing 100029, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing Observ Space Environm, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Li, Bo,Le, Huijun,Li, Wenbo,et al. Longitudinal Evolution of Storm-Enhanced Densities: A Case Study[J]. REMOTE SENSING,2022,14(24):12.
APA Li, Bo,Le, Huijun,Li, Wenbo,Chen, Yiding,&Liu, Libo.(2022).Longitudinal Evolution of Storm-Enhanced Densities: A Case Study.REMOTE SENSING,14(24),12.
MLA Li, Bo,et al."Longitudinal Evolution of Storm-Enhanced Densities: A Case Study".REMOTE SENSING 14.24(2022):12.

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来源：地质与地球物理研究所

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