TC-1和Geotail对亚暴过程中近地等离子体片磁扰动的联合观测
TC-1 and Geotail Joint Observations of Magnetic Disturbances in the Near-Earth Plasma Sheet During Substorm
查看参考文献13篇
|
文摘
|
以2004年9月28日02:53:20 UT的亚暴为例，通过TC-I在磁尾约12.5风和Geotail卫星在近地磁尾等离子体片约8～9 Re的联合观测，研究亚暴触发过程中近地磁尾等离子体片中等离子体波动特征，结果表明，亚暴触发区是近地磁尾中心等离子体片中较小的一个区域，在亚暴触发区中低混杂不稳定性在近地磁尾等离子体片中存在，准垂直传播的低混杂波发生在亚暴触发过程中，而亚暴触发过程中近地磁尾等离子体片外边界区内的磁场偶极化信号和扰动都非常微弱．在亚暴触发和亚暴膨胀相过程中出现了多次具有不同特征的磁场偶极化现象， |
|
其他语种文摘
|
On the basis of joint observations of TC-1 at about -12.5Re and Geotail at about -8 - -9 Re in the near-Earth plasma sheet in the magnetotail, the plasma instabilities in the vicinity of substorm onset occurred at about 02:53:20UT on 28 September 2004 were investigated. The observation results indicate that (1) the location of substorm onset triggering region is small within the inner plasma sheet in the near-Earth magnetotail, (2) the lower-hybrid instability is incited in the substorm triggering region and the lower-hybrid waves with the quasi-perpendicular propagation occur during substorm onset, (3) the magnetic dipolarization and the magnetic disturbance in the outside of near-Earth plasma sheet are very weak during substorm onset. The multiple magnetic dipolarization with different feature took place during substorm onset and substorm expansion phase. |
|
来源
|
空间科学学报
,2011,31(5):587-595 【核心库】
|
|
关键词
|
等离子体片
;
亚暴
;
磁场偶极化
;
磁场扰动
|
|
地址
|
1.
中国科学院空间科学与应用研究中心, 空间天气学国家重点实验室, 北京, 100190
2.
Space Research Institute, Austrian Academy of Sciences, Austria, Graz, 8042
3.
Centre d'Etude Spatiale des Rayonnements, France, Toulouse, 31028
|
|
语种
|
中文 |
|
文献类型
|
研究性论文 |
|
ISSN
|
0254-6124 |
|
学科
|
地球物理学 |
|
基金
|
国家自然科学基金项目
;
国家自然科学基金
|
|
文献收藏号
|
CSCD:4312729
|
参考文献 共
13
共1页
|
|
1.
Hsu T S. Occurrence frequencies of IMF triggered and nontriggered substorms.
J.Geophys.Res.A,2003,108(7):1307
|
被引
2
次
|
|
|
|
|
2.
Lyons L R. Coordinated observations demonstrating external substorm triggering.
J.Geophys.Res.A,1997,102(12):27039-27051
|
被引
3
次
|
|
|
|
|
3.
Lyons L R. Global auroral responses to abrupt solar wind changes:Dynamic pressure,substorm,and null events.
J.Geophys.Res,2005,110:A08208
|
被引
1
次
|
|
|
|
|
4.
Kamide Y.
Magnetosphere-Ionosphere Coupling,1993
|
被引
7
次
|
|
|
|
|
5.
Liang J. In-situ observation of ULF wave activities associated with substorm expansion phase onset and current disruption.
Ann.Geophys,2009,27:2191-2204
|
被引
3
次
|
|
|
|
|
6.
Lui A T Y. Potential plasma instabilities for substorm expansion onsets.
Space Sci.Rev,2004,113:127-206
|
被引
3
次
|
|
|
|
|
7.
Lui A T Y. A cross-field current instability for substorm expansions.
J.Geophys.Res.A,1991,96(7):11389-11401
|
被引
6
次
|
|
|
|
|
8.
Shinohara I. Low-frequency electromagnetic turbulence observed near the substorm onset site.
J.Geophys.Res.A,1998,103(9):20365-20388
|
被引
5
次
|
|
|
|
|
9.
Holter O. Characterization of low frequency oscillations at substorm breakup.
J.Geophys.Res.A,1995,100(10):19109-19119
|
被引
2
次
|
|
|
|
|
10.
Huba J D. Lower-hybrid-drift instability in field reversed plasmas.
Phys.Fluids,1980,23:552-561
|
被引
4
次
|
|
|
|
|
11.
Daughton W. Electromagnetic properties of the lowerhybrid drift instability in a thin current sheet.
Phys.Plasmas,2003,10(8):3103-3119
|
被引
6
次
|
|
|
|
|
12.
Miyashita Y. Mass and energy transport in the near and middistant magnetotail around substorm onsets:Geotail observations.
J.Geophys.Res,2001,106:6259-6274
|
被引
1
次
|
|
|
|
|
13.
Liou K. Magnetic dipolarization with substorm expansion onset.
J.Geophys.Res,2002,107:1131
|
被引
3
次
|
|
|
|
|
了解气象卫星更多信息，请访问