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Latitudinal shift and tilt of the ring current during magnetic storms
  • ISSN号：1001-6538
  • 期刊名称：科学通报(英文版)
  • 时间：0
  • 页码：95-103
  • 语言：中文
  • 分类：P318[天文地球—固体地球物理学;天文地球—地球物理学]
  • 作者机构：[1]Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China, [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China, [3]National Satellite Meteorological Center, China Meteorological Administration, Beijing 100081, China
  • 相关基金：Supported by National Natural Science Foundation of China （Grant No. 40436016）, KIP Pilot Project of the Chinese Academy of Sciences （Grant No. KZCX3-SW-144） and National Basic Research Program of China （Grant No. 2006CB806305）
  • 相关项目：电离层电流中DP1/DP2电流体系与环电流关系的研究
作者： Chen Bo|Chen GengXiong|Du AiMin|Wu YingYan|Xu WenYao|Liu XiaoCan|
关键词： 赤道, 地磁反转, 组态, 地理纬度, 磁暴, ring current, geomagnetic inversion, configuration, tilt and latitude shift, magnetic storms ring current, geomagnetic inversion, configuration, tilt and latitude shift, magnetic storms
中文摘要：

赤道的戒指水流(ERC ) 理论建议全球扰乱的水平地磁气的地的分发仅仅取决于车站的纬度的余弦。然而，我们总是比更低的在更高的纬度车站观察更大的 ΔH，暗示 ERC 能关于在强烈暴风雨期间的赤道的飞机倾斜或 / 并且变。在这篇论文，我们从 2000 ～ 2004 分析 11 强烈磁性的暴风雨，并且介绍二个 configurational 因素描绘暴风雨时间戒指电流的拓扑学。ERC 偶尔与两个背离了离开赤道的飞机的结果表演倾斜角度 δ t ≈13 ° 25 °和纬度移动 δ s ≈0 ° 21.8 °。扎根的扰乱的地分发应该作为 ΔH k =ΔH 最大 cos (ϕ k δ ) ，它与地磁气的观察同意很好。

英文摘要：

The equatorial ring current （ERC） theory suggested that the distribution of global disturbed horizontal geomagnetic field only depends on the cosine of station＇s latitude. However, we always observe a larger △H at higher latitude stations than lower ones, implying that the ERC could tilt or/and shift with respect to the equatorial plane during intense storms. In this paper, we analyze 11 intense magnetic storms from 2000 to 2004, and introduce two configurational factors to characterize the topology of storm time ring current. The results show that ERC has occasionally deviated off equatorial plane with both tilt angle δt≈13°-25° and latitude shift δs≈0°-21.8°. The ground disturbed field distribution should be improved as ,△Hk = △Hmaxcos（φk-δ）, which agree well with the geomagnetic observations.

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