| Correlation between continuous lobe reconnection in the mid magnetotail and substorm expansion onset |
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| 作者姓名： | ZHANG Hui PU Zuyin CAO Xin FU Suiyan XIAO Chijie LIU Zhenxing A. Korth M. Frazen ZONG Qiugong H. Reme K H Glassmeier R. Friedel G. D. Reeves M. W. Dunlop |
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| 作者单位： | Max-Planck-Institute for Solar System Research Katlenbury-Lindau 37191，Germany，Max-Planck-Institute for Solar System Research Katlenbury-Lindau，37191，Germany，CESR/CNRS Toulouse F-31028，France，IGM Braunschweig D-38106，Germany，Los Alamos National Laboratory Los Alamos NM 87545，USA，Los Alamos National Laboratory Los Alamos NM 87545，USA，Rutherford Appleton Laboratory Chilton OX110 OX，UK |
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| 摘 要： | Data on plasma sheet crossing measured by Cluster/HIA and Cluster/FGM during the period from July to October in 2001 -2003 are analyzed. Based on previous work on the characteristic features of continuous lobe reconnection (CLR) described in reference, two case studies and a statistical analysis were carried out on correlation between CLR in the mid magnetotail and substorm expansion onset for the events occurring during this period. It is found that almost all CLR events are in close connection with substorms. The beginning of CLR is almost always a few minutes ahead of substorm activities seen in the near Earth magnetotail and on the ground-based stations. This provides a clear indication that CLR is the virtual cause of substorm expansion onset during the period of continuous southward interplanetary magnetic field.
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| 关 键 词： | 裂片重接 高速流 亚暴 特征性 统计分析 地磁学 |
| 收稿时间： | 2005-06-28 |
| 修稿时间： | 2005-06-282005-08-31 |
Correlation between continuous lobe reconnection in the mid magnetotail and substorm expansion onset |
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| ZHANG Hui PU Zuyin CAO Xin FU Suiyan XIAO Chijie LIU Zhenxing A. Korth M. Frazen ZONG Qiugong H. Reme K H Glassmeier R. Friedel G. D. Reeves M. W. Dunlop.Correlation between continuous lobe reconnection in the mid magnetotail and substorm expansion onset[J].Chinese Science Bulletin,2006,51(22):2795-2804. |
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| Authors: | Hui Zhang Zuyin Pu Xin Cao Suiyan Fu Chijie Xiao Zhenxing Liu A Korth M Frazen Qiugong Zong H Reme K H Glassmeier R Friedel G D Reeves M W Dunlop |
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| Institution: | (1) School of Earth and Space Sciences, Peking University, Beijing, 100871, China;(2) Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing, 100080, China;(3) National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100081, China;(4) Max-Planck-Institute for Solar System Research, Katlenbury-Lindau, 37191, Germany;(5) Center for Atmospheric Research, UML, Lowell, MA01854, USA;(6) CESR/CNRS, Toulouse, F-31028, France;(7) IGM, Braunschweig, D-38106, Germany;(8) Los Alamos National Laboratory, Los Alamos, NM 87545, USA;(9) Rutherford Appleton Laboratory, Chilton, OX110 OX, UK |
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| Abstract: | Data on plasma sheet crossing measured by Cluster/HIA and Cluster/FGM during the period from July to October in 2001 -2003 are analyzed. Based on previous work on the characteristic features of continuous lobe reconnection (CLR) described in reference, two case studies and a statistical analysis were carried out on correlation between CLR in the mid magnetotail and substorm expansion onset for the events occurring during this period. It is found that almost all CLR events are in close connection with substorms. The beginning of CLR is almost always a few minutes ahead of substorm activities seen in the near Earth magnetotail and on the ground-based stations. This provides a clear indication that CLR is the virtual cause of substorm expansion onset during the period of continuous southward interplanetary magnetic field. |
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| Keywords: | lobe reconnection magnetospheric substorm high-speed flow substorm onset |
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