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磁层顶通量传输事件轴向统计分析

李照宇 陈涛

李照宇, 陈涛. 磁层顶通量传输事件轴向统计分析[J]. 空间科学学报, 2018, 38(1): 19-28. doi: 10.11728/cjss2018.01.019
引用本文: 李照宇, 陈涛. 磁层顶通量传输事件轴向统计分析[J]. 空间科学学报, 2018, 38(1): 19-28. doi: 10.11728/cjss2018.01.019
LI Zhaoyu, CHEN Tao. Statistical Study of Axial Orientations of Flux Transfer Events at the Magnetopauseormalsize[J]. Chinese Journal of Space Science, 2018, 38(1): 19-28. doi: 10.11728/cjss2018.01.019
Citation: LI Zhaoyu, CHEN Tao. Statistical Study of Axial Orientations of Flux Transfer Events at the Magnetopauseormalsize[J]. Chinese Journal of Space Science, 2018, 38(1): 19-28. doi: 10.11728/cjss2018.01.019

磁层顶通量传输事件轴向统计分析

doi: 10.11728/cjss2018.01.019
基金项目: 

国家自然科学基金项目(40774081),空间天气学国家重点实验室专项基金项目和中国科学院国家空间中心项目(CAS-NSSC-135)共同资助

详细信息
    作者简介:

    李照宇,E-mail:zyli@spaceweather.ac.cn

  • 中图分类号: P353

Statistical Study of Axial Orientations of Flux Transfer Events at the Magnetopauseormalsize

  • 摘要: 磁层顶通量传输事件(Flux Transfer Event,FTE)与磁重联相关,其典型特征为磁场法向分量的双极变化.在不同FTE模型里,FTE结构可能为重联的通量管、由多X线重联形成的闭合磁通量绳或者由单X线重联形成的开放磁场环,从而在磁层顶有不同的整体位形.使用一种新的轴向分析方法,对Cluster在一个向阳面磁层顶穿越季观测到的505个FTE进行统计研究.结果表明:在磁层顶中低纬度的侧翼,大多数FTE轴向均为沿磁层磁力线方向即南北方向,少数FTE轴向沿着不同于磁层磁力线方向的东西方向;在高纬磁层顶,大多数FTE轴向沿东西方向,少数FTE轴向沿着磁层磁力线方向即南北方向.这些统计特征有助于重新认识FTE的全球形态.

     

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出版历程
  • 收稿日期:  2016-12-16
  • 修回日期:  2017-05-02
  • 刊出日期:  2018-01-15

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