The Polar Wind Modulated by the Spatial Inhomogeneity of the Strength of the Earth's Magnetic Field
文献类型:期刊论文
作者 | Li, Kun5; Foerster, Matthias6,7; Rong, Zhaojin1,8; Haaland, Stein4,6; Kronberg, Elena3,6; Cui, Jun2,5; Chai, Lihui1,8; Wei, Yong1,8 |
刊名 | JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
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出版日期 | 2020-04-01 |
卷号 | 125期号:4页码:12 |
ISSN号 | 2169-9380 |
DOI | 10.1029/2020JA027802 |
英文摘要 | When the geomagnetic field is weak, the small mirror force allows precipitating charged particles to deposit energy in the ionosphere. This leads to an increase in ionospheric outflow from the Earth's polar cap region, but such an effect has not been previously observed because the energies of the ions of the polar ionospheric outflow are too low, making it difficult to detect the low-energy ions with a positively charged spacecraft. In this study, we found an anticorrelation between ionospheric outflow and the strength of the Earth's magnetic field. Our results suggest that the electron precipitation through the polar rain can be a main energy source of the polar wind during periods of high levels of solar activity. The decreased magnetic field due to spatial inhomogeneity of the Earth's magnetic field and its effect on outflow can be used to study the outflow in history when the magnetic field was at similar levels. |
WOS关键词 | NORTH-SOUTH ASYMMETRIES ; DAWN-DUSK ASYMMETRY ; IONOSPHERIC OUTFLOW ; ENERGY DEPOSITION ; ION ESCAPE ; PLASMA ; RAIN ; MAGNETOSPHERE ; ATMOSPHERE ; ELECTRONS |
资助项目 | National Natural Scientific Foundation of China[41704164] ; National Natural Scientific Foundation of China[41774188] ; Norwegian Research Council[223252] ; German Science Foundation (DFG)[KR 4375/2-1] |
WOS研究方向 | Astronomy & Astrophysics |
语种 | 英语 |
WOS记录号 | WOS:000536831100019 |
出版者 | AMER GEOPHYSICAL UNION |
资助机构 | National Natural Scientific Foundation of China ; National Natural Scientific Foundation of China ; Norwegian Research Council ; Norwegian Research Council ; German Science Foundation (DFG) ; German Science Foundation (DFG) ; National Natural Scientific Foundation of China ; National Natural Scientific Foundation of China ; Norwegian Research Council ; Norwegian Research Council ; German Science Foundation (DFG) ; German Science Foundation (DFG) ; National Natural Scientific Foundation of China ; National Natural Scientific Foundation of China ; Norwegian Research Council ; Norwegian Research Council ; German Science Foundation (DFG) ; German Science Foundation (DFG) ; National Natural Scientific Foundation of China ; National Natural Scientific Foundation of China ; Norwegian Research Council ; Norwegian Research Council ; German Science Foundation (DFG) ; German Science Foundation (DFG) |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/96649] ![]() |
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.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China 2.Chinese Acad Sci, Key Lab Lunar & Deep Space Explorat, Natl Astron Observ, Beijing, Peoples R China 3.Ludwig Maximilian Univ Munich, Dept Earth & Environm Sci, Munich, Germany 4.Univ Bergen, Birkeland Ctr Space Sci, Bergen, Norway 5.Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab Pearl, Zhuhai, Peoples R China 6.Max Planck Inst Solar Syst Res, Gottingen, Germany 7.Helmholtz Ctr Potsdam, German Res Ctr Geosci, Potsdam, Germany 8.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Kun,Foerster, Matthias,Rong, Zhaojin,et al. The Polar Wind Modulated by the Spatial Inhomogeneity of the Strength of the Earth's Magnetic Field[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(4):12. |
APA | Li, Kun.,Foerster, Matthias.,Rong, Zhaojin.,Haaland, Stein.,Kronberg, Elena.,...&Wei, Yong.(2020).The Polar Wind Modulated by the Spatial Inhomogeneity of the Strength of the Earth's Magnetic Field.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(4),12. |
MLA | Li, Kun,et al."The Polar Wind Modulated by the Spatial Inhomogeneity of the Strength of the Earth's Magnetic Field".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.4(2020):12. |
入库方式: OAI收割
来源:地质与地球物理研究所
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