NSSC OpenIR  > 空间科学部
Alternative TitleGlobal Distribution of Currents in Martian Space
刘童笛; 李磊; 张艺腾; 谢良海; liutongdi_163@163.com
Source Publication空间科学学报
Keyword火星 电流 弓激波 磁堆积区 电离层 磁尾
Other AbstractBased on the MHD model, the distribution of the currents in Martian space is calculated. The results show that there are 4 categories of currents, i.e., the bow-shock current, magnetic pileup boundary current, the ionosphere current and the magnetotail current in Martian space. Currents flow on the surface of the bow-shock independently, which direction are perpendicular to the interplanetary magnetic field direction, with the peak current density located around the subsolar point. At dayside, the magnetic pileup boundary current closes through the ionosphere; while at nightside, magnetic pileup boundary current couples with central current sheet in the magnetotail to form a complete circuit. Magnetotail central currents near Mars within 1.2 Rm affected greatly by the ionosphere, would be separated for two or more current slices coupling together. The strength of ionosphere current, flowing from south to north, is the biggest in all, more than 100 nA. m~(-2) in average; and the strength at dayside is bigger compared to that of the nightside.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Authorliutongdi_163@163.com
Recommended Citation
GB/T 7714
刘童笛,李磊,张艺腾,等. 火星空间大尺度电流体系分布特征[J]. 空间科学学报,2012,32(6):765-770.
APA 刘童笛,李磊,张艺腾,谢良海,&liutongdi_163@163.com.(2012).火星空间大尺度电流体系分布特征.空间科学学报,32(6),765-770.
MLA 刘童笛,et al."火星空间大尺度电流体系分布特征".空间科学学报 32.6(2012):765-770.
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