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Bow shock contributions to region 1 field-aligned current: A new result from global MHD simulations
Guo XC(郭孝城); Wang C(王赤); Hu, Y. Q.; Kan, J. R; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationGeophysical Research Letters
2008
Volume35Issue:3Pages:L03108
ISSN0094-8276
Language英语
KeywordSolar-wind Earths Magnetosphere Current Systems Magnetic-field Generation
AbstractWe present a new result, based on a global MHD simulation model, that the bow shock contributes significantly to the region 1 field-aligned current (FAC) under strong southward interplanetary magnetic field conditions. More than 50 percent of the total region 1 FAC may originate from the bow shock in certain circumstances. Stronger southward interplanetary magnetic field, higher solar wind speed, or larger ionospheric Pedersen conductance, leads to greater contribution from the bow shock to the region 1 current. This new result quantifies the interaction between the bow shock and the ionosphere through the region 1 current. The methodology presented in the present paper should be applicable to quantify the bow shock contributions to the substorms through the region 1 current, as well as to the magnetic storms through the ring current and the region 2 current, leading to understanding the space weather as magnetic storms in the solar-terrestrial environment. Citation: Guo, X. C., C. Wang, Y. Q. Hu, and J. R. Kan (2008), Bow shock contributions to region 1 field-aligned current: A new result from global MHD simulations.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1124
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Guo XC,Wang C,Hu, Y. Q.,et al. Bow shock contributions to region 1 field-aligned current: A new result from global MHD simulations[J]. Geophysical Research Letters,2008,35(3):L03108.
APA 郭孝城,王赤,Hu, Y. Q.,Kan, J. R,&北京8701信箱.(2008).Bow shock contributions to region 1 field-aligned current: A new result from global MHD simulations.Geophysical Research Letters,35(3),L03108.
MLA 郭孝城,et al."Bow shock contributions to region 1 field-aligned current: A new result from global MHD simulations".Geophysical Research Letters 35.3(2008):L03108.
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