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辐射带高能电子通量波动与地磁暴警报

黄文耿 沈 华 刘四清 钟秋珍 陈艳红

黄文耿, 沈 华, 刘四清, 钟秋珍, 陈艳红. 辐射带高能电子通量波动与地磁暴警报[J]. 空间科学学报, 2015, 35(1): 18-25. doi: 10.11728/cjss2015.01.018
引用本文: 黄文耿, 沈 华, 刘四清, 钟秋珍, 陈艳红. 辐射带高能电子通量波动与地磁暴警报[J]. 空间科学学报, 2015, 35(1): 18-25. doi: 10.11728/cjss2015.01.018
Huang Wengeng, Shen Hua, Liu Siqing, Zhong Qiuzhen, Chen Yanhong. Fluctuations of high-energy electron fluxes in Earth's radiation belt and its applications for geomagnetic storm alert[J]. Journal of Space Science, 2015, 35(1): 18-25. doi: 10.11728/cjss2015.01.018
Citation: Huang Wengeng, Shen Hua, Liu Siqing, Zhong Qiuzhen, Chen Yanhong. Fluctuations of high-energy electron fluxes in Earth's radiation belt and its applications for geomagnetic storm alert[J]. Journal of Space Science, 2015, 35(1): 18-25. doi: 10.11728/cjss2015.01.018

辐射带高能电子通量波动与地磁暴警报

doi: 10.11728/cjss2015.01.018
基金项目: 国家重点基础研究计划项目资助(2011CB811406,2012CB825606)
详细信息
  • 中图分类号: P353

Fluctuations of high-energy electron fluxes in Earth's radiation belt and its applications for geomagnetic storm alert

  • 摘要: 地球磁场捕获带电粒子形成辐射带,地磁场的扰动将导致带电粒子通量的变化.根据磁暴期间外辐射带高能电子通量起伏和波动的特点及规律,利用GOES卫星实时发布的5min分辨率高能电子微分通量数据,构建了高能电子通量波动指数,并分析了该指数与地磁活动的关系.结果表明,所提出的高能电子通量波动指数与地磁事件有很好的相关性,能起到地磁暴发生的指示剂作用,相对于目前空间环境业务化预报过程中广泛使用的3hKp指数,高能电子通量波动指数能更早地警报地磁暴的发生,是潜在有效的地磁暴警报辅助手段,能为空间环境预报中的地磁暴实时警报提供重要参考.

     

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出版历程
  • 收稿日期:  2014-02-26
  • 修回日期:  2014-05-16
  • 刊出日期:  2015-01-15

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