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The Effects of the Polar Rain on the Polar Wind Ion Outflow From the Nightside Ionosphere

文献类型：期刊论文

作者Li, Kun1,2; Yang, Qian1; Cui, Jun1; Rong, Zhaojin3; Chai, Lihui3; Wei, Yong3; Yu, Jiang1; Liu, Nigang1; He, Zhaoguo1; Wang, Jing1
刊名JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
出版日期2023-06-01
卷号128期号:6页码:13
ISSN号2169-9380
DOI10.1029/2023JA031496
英文摘要The polar wind, consisting of low-energy ions and electrons, is an outflow along the open magnetic field lines from the polar cap ionosphere to the magnetosphere. Previous studies found that both solar radiation and solar wind electromagnetic energy are the two main energy sources for the polar wind. The polar rain, being field-aligned precipitating electrons from the solar wind to the polar cap, may provide additional energies for the polar wind. This scenario is complicated as simulation studies show that polar rain changes the electric potential structures over the polar cap ionosphere. It is unclear how the polar rain affects the polar wind ion outflow. In this study, we show a positive correlation between the polar wind and the polar rain. Meanwhile, the polar wind is generally diminished in regions with strong Earth's magnetic field, suggesting the |B| modulates the penetration depth of the polar rain through the magnetic mirror force and thus the energy dissipation of the polar rain. Therefore, the polar rain can be an additional energy source for the polar wind although the polar rain has generally smaller energies and intensities than the particle precipitations in the auroral regions.
WOS关键词CAP ; ELECTRONS ; CLUSTER ; FIELD
资助项目pre-research project on Civil Aerospace Technologies - China's National Space Administration[D020104] ; National Natural Scientific Foundation of China[42241134] ; National Natural Scientific Foundation of China[42261160643] ; Guangdong Basic and Applied Basic Research Foundation[2023A1515010887] ; Youth Innovation Promotion Association CAS[2020065] ; Young Elite Scientist Sponsorship Program by CAST[YESS20200152]
WOS研究方向Astronomy & Astrophysics
语种英语
出版者AMER GEOPHYSICAL UNION
WOS记录号WOS:001022182200029
资助机构pre-research project on Civil Aerospace Technologies - China's National Space Administration ; National Natural Scientific Foundation of China ; Guangdong Basic and Applied Basic Research Foundation ; Youth Innovation Promotion Association CAS ; Young Elite Scientist Sponsorship Program by CAST ; pre-research project on Civil Aerospace Technologies - China's National Space Administration ; National Natural Scientific Foundation of China ; Guangdong Basic and Applied Basic Research Foundation ; Youth Innovation Promotion Association CAS ; Young Elite Scientist Sponsorship Program by CAST ; pre-research project on Civil Aerospace Technologies - China's National Space Administration ; National Natural Scientific Foundation of China ; Guangdong Basic and Applied Basic Research Foundation ; Youth Innovation Promotion Association CAS ; Young Elite Scientist Sponsorship Program by CAST ; pre-research project on Civil Aerospace Technologies - China's National Space Administration ; National Natural Scientific Foundation of China ; Guangdong Basic and Applied Basic Research Foundation ; Youth Innovation Promotion Association CAS ; Young Elite Scientist Sponsorship Program by CAST
源URL[http://ir.iggcas.ac.cn/handle/132A11/110697]  
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Li, Kun
作者单位1.Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab, Zhuhai, Peoples R China
2.Sun Yat Sen Univ, Key Lab Trop Atmosphere Ocean Syst, Minist Educ, Zhuhai, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Li, Kun,Yang, Qian,Cui, Jun,et al. The Effects of the Polar Rain on the Polar Wind Ion Outflow From the Nightside Ionosphere[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2023,128(6):13.
APA Li, Kun.,Yang, Qian.,Cui, Jun.,Rong, Zhaojin.,Chai, Lihui.,...&Wang, Jing.(2023).The Effects of the Polar Rain on the Polar Wind Ion Outflow From the Nightside Ionosphere.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,128(6),13.
MLA Li, Kun,et al."The Effects of the Polar Rain on the Polar Wind Ion Outflow From the Nightside Ionosphere".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 128.6(2023):13.

入库方式： OAI收割

来源：地质与地球物理研究所

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