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2004年4月1日磁通量传输事件特性的研究--通量管内电流密度,粒子运动与管轴方向的对比分析
Alternative TitleCHARACTER ISTICS O F THE MAGNETIC FLUX TRANSFER EVENTS ON APR IL 1 O F 2004
张清和; 刘瑞源; 黄际英; Dunlop; MW; 胡红桥; 沈超; Bogdanova; YV; 北京8701信箱
Department空间天气学国家重点实验室
Source Publication极地研究
2007
Volume19Issue:2Pages:121-130
ISSN1007-7073
Language中文
Keyword电流密度 磁通量管 磁层顶
Abstract本文利用Cluster四颗卫星上磁通门磁力计(FGM)的同时观测,采用旋度器方法(Curlometer),计算和分析了2004年4月1日12:24到12:54UT期间Cluster卫星观测的多个磁通量传输事件(FTEs)的特性.结果表明:磁通量管内电流密度较大,可达到约10^-7A/m^2.应用最小方向微分法(MDD),发现这些FTE事件具有准二维结构,即为圆柱形结构,其通量管轴线方向与管内电流方向及粒子运动方向基本平行.
Other AbstractBased on the simultaneous FGM observations of 4 Cluster satellites,this paper calculated and analyzed the current density of FTEs occurred between 12:24 and 12:54UT on April 1,2004 by using the Curlometer analyzer. It showed that intense current flows inside the flux tubeswith the current density reaching as high as about 10-7A/m2.ByMinimum Directional Derivative(orDifference)(MDD)analyzing,itwas also found that the FTEswere of the quasi22D structure,the direction of the currentwas almost parallel to the p lasma flows and the axis of the flux tubes.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1305
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
张清和,刘瑞源,黄际英,等. 2004年4月1日磁通量传输事件特性的研究--通量管内电流密度,粒子运动与管轴方向的对比分析[J]. 极地研究,2007,19(2):121-130.
APA 张清和.,刘瑞源.,黄际英.,Dunlop.,MW.,...&北京8701信箱.(2007).2004年4月1日磁通量传输事件特性的研究--通量管内电流密度,粒子运动与管轴方向的对比分析.极地研究,19(2),121-130.
MLA 张清和,et al."2004年4月1日磁通量传输事件特性的研究--通量管内电流密度,粒子运动与管轴方向的对比分析".极地研究 19.2(2007):121-130.
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