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Influence of the IMF B-x on the geometry of the bow shock and magnetopause
Alternative TitleWOS:000520945000002;20200408063959
Wang, Juan2; Huang, Can; Ge, Yasong S.; Du, Aimin1; Feng, Xueshang2
Source PublicationPLANETARY AND SPACE SCIENCE
2020
Volume182Pages:104844
DOI10.1016/j.pss.2020.104844
ISSN0032-0633
Language英语
KeywordINTERPLANETARY MAGNETIC-FIELD 3-DIMENSIONAL MHD SIMULATION SOLAR-WIND EARTHS MAGNETOSPHERE NORTHWARD IMF SCHEME
AbstractThe solar wind-magnetosphere interaction is still an open problem under the influences of the B x component of the interplanetary magnetic field (IMF). We have performed a series of 3D global magnetohydrodynamic simulations and demonstrated the quantitative effects of the IMF B-x component on the locations and shapes of the bow shock and magnetopause during northward IMF. The IMF B-x can greatly change the configurations of the bow shock and the magnetosphere, and bring north-south asymmetries in the noon-midnight meridian plane. The larger magnetosonic Mach number in the northern hemisphere makes the northern part of the bow shock closer to the Earth, while the situation is opposite in the south. In the downstream of the southern bow shock, the magnetic fields get greatly compressed in the southern magnetosheath, leading to a drastic increased magnetic pressure above the magnetopause. As a result, the southern part of the magnetopause becomes closer to the earth while its northern part has a little change. Moreover, it is found that the subsolar points of the bow shock and magnetopause are not sensitive to the IMF B-x during northward IMF.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7682
Collection中国科学院国家空间科学中心
Affiliation1.Beijing Normal Univ, Sch Syst Sci, Beijing 100875, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Juan,Huang, Can,Ge, Yasong S.,et al. Influence of the IMF B-x on the geometry of the bow shock and magnetopause[J]. PLANETARY AND SPACE SCIENCE,2020,182:104844.
APA Wang, Juan,Huang, Can,Ge, Yasong S.,Du, Aimin,&Feng, Xueshang.(2020).Influence of the IMF B-x on the geometry of the bow shock and magnetopause.PLANETARY AND SPACE SCIENCE,182,104844.
MLA Wang, Juan,et al."Influence of the IMF B-x on the geometry of the bow shock and magnetopause".PLANETARY AND SPACE SCIENCE 182(2020):104844.
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