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MF地磁场模型中磁尾感应电场研究与磁尾离子加速
Alternative TitleTHEORETICAL STUDY ON THE INDUCED ELECTRICAL FIELD WITH MF GEO-MAGNETIC MODEL AND ION ACCELERATION IN THE MAGNETOTAIL
史建魁; 刘振兴; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication地球物理学报
1999
Volume42Issue:1Pages:12-17
ISSN0001-5733
Language中文
Keyword磁尾 感应电场 理论研究 离子加速 地磁场模型
Abstract为研究磁尾感应电场上行离子的加速,对磁层亚暴期间尾向地磁场在向偶极位形弛豫过程中产生的感应电场进行了理论研究.结果表明,在偶极化过程中磁场的Bx分量下降,Bz分量上升,并产生随时间变化的单峰结构的感应电场,其峰值可超过20mv/m;当子午面内地心距离由6RE变化到16RE时,感应电场峰值呈逐渐增大趋势;随着Z坐标的增大(远离赤道面)或Y坐标的增大(远离子午面),感应电场峰值呈逐渐减小趋势;感应电场
Other AbstractIn this paper, the induced electrical field during the magnetic dipolarization in the substorm in the magnetotail is investigated.The results show that the magnetic component Bx is decreasing and the Bz is increasing during the magnetic dipolarization.In the same time,the single peak-like electrical field is induced and its peak value can be higher than 20mV/ m.On the meridian plane,from earth center distance 6R E to 16 RE,the peak value of the induced electrical field is increasing.With the coordinate GMS Z or GMS Y increasing,the peak value of the induced electrical field is decreasing.The peak value of the induced electrical field is increasing with the duration period of the magnetic dipolarazation decreasing.The theoretical curves and peak value of the induced electrical field are consistence with the observed results.The ion acceleration in the induced magnetic field is estimated,Also.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1315
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
史建魁,刘振兴,北京8701信箱. MF地磁场模型中磁尾感应电场研究与磁尾离子加速[J]. 地球物理学报,1999,42(1):12-17.
APA 史建魁,刘振兴,&北京8701信箱.(1999).MF地磁场模型中磁尾感应电场研究与磁尾离子加速.地球物理学报,42(1),12-17.
MLA 史建魁,et al."MF地磁场模型中磁尾感应电场研究与磁尾离子加速".地球物理学报 42.1(1999):12-17.
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