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The responses of the earth's magnetopause and bow shock to the IMF B-z and the solar wind dynamic pressure: a parametric study using the AMR-CESE-MHD model
Wang, Juan1; Guo, Zhifang1; Ge, Yasong S.1; Du, Aimin1; Huang, Can1; Qin, Pengfei1,2
2018-10-03
发表期刊JOURNAL OF SPACE WEATHER AND SPACE CLIMATE
ISSN2115-7251
卷号8页码:14
摘要We have used the AMR-CESE-MHD model to investigate the influences of the IMF B-z and the upstream solar wind dynamic pressure (D-p) on Earth's magnetopause and bow shock. Our results present that the earthward displacement of the magnetopause increases with the intensity of the IMF B-z. The increase of the northward IMF B-z also brings the magnetopause closer to the Earth even though with a small distance. Our simulation results show that the subsolar bow shock during the southward IMF is much closer to the Earth than during the northward IMF. As the intensity of IMF B-z increases (also the total field strength), the subsolar bow shock moves sunward as the solar wind magnetosonic Mach number decreases. The sunward movement of the subsolar bow shock during southward IMF are much smaller than that during northward IMF, which indicates that the decrease of solar wind magnetosonic Mach number hardly changes the subsolar bow shock location during southward IMF. Our simulations also show that the effects of upstream solar wind dynamic pressure (D-p) changes on both the subsolar magnetopause and bow shock locations are much more significant than those due to the IMF changes, which is consistent with previous studies. However, in our simulations the earthward displacement of the subsolar magnetopause during high solar wind D-p is greater than that predicted by the empirical models.
关键词magnetopause bow shock IMF B-z solar wind dynamic pressure
DOI10.1051/swsc/2018030
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories
关键词[WOS]INTERPLANETARY MAGNETIC-FIELD ; EMPIRICAL-MODEL ; MACH NUMBER ; SHAPE ; MAGNETOSPHERE ; SIZE ; SIMULATION ; LOCATION ; IMPLEMENTATION ; COMPRESSION
语种英语
资助项目National Natural Science Foundation of China[41604144] ; National Natural Science Foundation of China[41531073] ; National Natural Science Foundation of China[41474144] ; National Natural Science Foundation of China[41774176] ; National Key Research and Development Program of China[2016YFB0501300] ; National Key Research and Development Program of China[2016YFB0501304] ; Specialized Research Fund for State Key Laboratories
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Specialized Research Fund for State Key Laboratories ; Specialized Research Fund for State Key Laboratories
WOS研究方向Astronomy & Astrophysics ; Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences
WOS类目Astronomy & Astrophysics ; Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000446555400001
出版者EDP SCIENCES S A
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文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89181
专题地球与行星物理院重点实验室
通讯作者Wang, Juan
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
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GB/T 7714
Wang, Juan,Guo, Zhifang,Ge, Yasong S.,et al. The responses of the earth's magnetopause and bow shock to the IMF B-z and the solar wind dynamic pressure: a parametric study using the AMR-CESE-MHD model[J]. JOURNAL OF SPACE WEATHER AND SPACE CLIMATE,2018,8:14.
APA Wang, Juan,Guo, Zhifang,Ge, Yasong S.,Du, Aimin,Huang, Can,&Qin, Pengfei.(2018).The responses of the earth's magnetopause and bow shock to the IMF B-z and the solar wind dynamic pressure: a parametric study using the AMR-CESE-MHD model.JOURNAL OF SPACE WEATHER AND SPACE CLIMATE,8,14.
MLA Wang, Juan,et al."The responses of the earth's magnetopause and bow shock to the IMF B-z and the solar wind dynamic pressure: a parametric study using the AMR-CESE-MHD model".JOURNAL OF SPACE WEATHER AND SPACE CLIMATE 8(2018):14.
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