IGGCAS OpenIR  > 地球与行星物理院重点实验室
Estimating the Kinetic Energy Budget of the Polar Wind Outflow
Li, Kun1; Wei, Y.1,2,3; Haaland, S.4,5; Kronberg, E. A.4,6; Rong, Z. J.1,2,3; Maes, L.4; Maggiolo, R.7; Andre, M.8; Nilsson, H.9; Grigorenko, E.10
2018-09-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
ISSN2169-9380
卷号123期号:9页码:7917-7929
摘要Ionospheric outflow from the polar cap through the polar wind plays an important role in the evolution of the atmosphere and magnetospheric dynamics. Both solar illumination and solar wind energy input are known to be energy sources of the polar wind. However, observational studies of the energy transfer from these two energy sources to the polar wind are difficult. Because of their low energy, polar wind ions are invisible to regular ion detectors onboard a positively charged spacecraft. Using a new technique that indirectly measures these low-energy ions, we are able to estimate the energy budget of the polar wind. Our results show that solar illumination provides about 10(7) W of the kinetic energy of the polar wind, in addition to the energy transferred from the solar wind with a maximum rate of about 10(8) W. The energy transfer efficiency of solar illumination to the kinetic energy of the polar wind is about 6 to 7 orders of magnitude lower than that of the solar wind. Moreover, daily and seasonal changes in the orientation of the geomagnetic dipole axis control solar illumination over the polar cap, modulating both energies of the polar wind and energy transfer efficiencies from the two energy sources.
关键词polar wind ionospheric outflow solar wind solar illumination energy transfer
DOI10.1029/2018JA025819
资助者State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China
关键词[WOS]MAGNETOTAIL LOBES ; COLD-PLASMA ; MAGNETOSPHERE ; ACCELERATION ; EARTH
语种英语
资助项目State Key Laboratory of Space Weather, Chinese Academy of Science[2017-47F-01-04] ; National Natural Science Foundation of China[41704164] ; National Natural Science Foundation of China[41525016] ; National Natural Science Foundation of China[41474155] ; National Natural Science Foundation of China[41661164034] ; National Natural Science Foundation of China[41621004]
资助者State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Space Weather, Chinese Academy of Science ; State Key Laboratory of Space Weather, Chinese Academy of Science ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000448376600054
出版者AMER GEOPHYSICAL UNION
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89129
专题地球与行星物理院重点实验室
通讯作者Li, Kun
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
4.Max Planck Inst Solar Syst Res, Gottingen, Germany
5.Univ Bergen, Birkeland Ctr Space Sci, Dept Phys & Technol, Bergen, Norway
6.Ludwig Maximilian Univ Munich, Dept Earth & Environm Sci Geophys, Munich, Germany
7.Belgian Inst Space Aeron, Brussels, Belgium
8.Swedish Inst Space Phys, Uppsala, Sweden
9.Swedish Inst Space Phys, Kiruna, Sweden
10.Space Res Inst RAS, Moscow, Russia
推荐引用方式
GB/T 7714
Li, Kun,Wei, Y.,Haaland, S.,et al. Estimating the Kinetic Energy Budget of the Polar Wind Outflow[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2018,123(9):7917-7929.
APA Li, Kun.,Wei, Y..,Haaland, S..,Kronberg, E. A..,Rong, Z. J..,...&Grigorenko, E..(2018).Estimating the Kinetic Energy Budget of the Polar Wind Outflow.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,123(9),7917-7929.
MLA Li, Kun,et al."Estimating the Kinetic Energy Budget of the Polar Wind Outflow".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123.9(2018):7917-7929.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Li, Kun]的文章
[Wei, Y.]的文章
[Haaland, S.]的文章
百度学术
百度学术中相似的文章
[Li, Kun]的文章
[Wei, Y.]的文章
[Haaland, S.]的文章
必应学术
必应学术中相似的文章
[Li, Kun]的文章
[Wei, Y.]的文章
[Haaland, S.]的文章
相关权益政策
暂无数据
收藏/分享
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit Add to Technorati
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。