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The dipole tilt angle dependence of the bow shock for southward IMF: MHD results
Wang, M.; Lu, J. Y.; Yuan, H. Z.; Kabin, K.; Liu, Z. -Q.; Zhao, M. X.; Li, G.; Lu, JY (reprint author), Nanjing Univ Informat Sci & Technol, Sch Math & Stat, Inst Space Weather, Nanjing 210044, Jiangsu, Peoples R China.
Department空间科学部
Source PublicationPLANETARY AND SPACE SCIENCE
2015
Volume106Pages:99-107
ISSN0032-0633
Language英语
KeywordDipole Tilt Angle Bow Shock Asymmetry Mhd Simulation
AbstractThe location and shape of the Earth's bow shock depend on the properties of the upstream solar wind, as well as the size and shape of the downstream magnetopause. Many studies have suggested that the influence of the dipole tilt angle on the magnetopause is significant, especially at the high-latitude region, however, to date there is no bow shock model which depends on the dipole tilt angle. Using a physics-based global magnetohydrodynamic (MHD) model, the Space Weather Modeling Framework (SWMF), we investigate the effect of the dipole tilt angle on the location and shape of the bow shock, and our results show that (1) the subsolar standoff distance and the north-south asymmetry of bow shock increase with the increasing dipole tilt angle; (2) with the dipole tilt angle positively increasing, the flaring angle of the bow shock increases in the northern hemisphere but keeps almost unchanged in the southern hemisphere, and the rotational asymmetry slightly decreases in the northern hemisphere and rapidly decreases in the southern hemisphere; and (3) the influence of dipole tilt angle on the shape of the bow shock is north-south symmetric. (C) 2014 Elsevier Ltd. All rights reserved.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4629
Collection空间科学部
Corresponding AuthorLu, JY (reprint author), Nanjing Univ Informat Sci & Technol, Sch Math & Stat, Inst Space Weather, Nanjing 210044, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Wang, M.,Lu, J. Y.,Yuan, H. Z.,et al. The dipole tilt angle dependence of the bow shock for southward IMF: MHD results[J]. PLANETARY AND SPACE SCIENCE,2015,106:99-107.
APA Wang, M..,Lu, J. Y..,Yuan, H. Z..,Kabin, K..,Liu, Z. -Q..,...&Lu, JY .(2015).The dipole tilt angle dependence of the bow shock for southward IMF: MHD results.PLANETARY AND SPACE SCIENCE,106,99-107.
MLA Wang, M.,et al."The dipole tilt angle dependence of the bow shock for southward IMF: MHD results".PLANETARY AND SPACE SCIENCE 106(2015):99-107.
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