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一种基于白谱法的电离层天气扰动指数

赵瑜馨 毛田 陈洲 王劲松

赵瑜馨, 毛田, 陈洲, 王劲松. 一种基于白谱法的电离层天气扰动指数[J]. 空间科学学报, 2017, 37(3): 270-276. doi: 10.11728/cjss2017.03.270
引用本文: 赵瑜馨, 毛田, 陈洲, 王劲松. 一种基于白谱法的电离层天气扰动指数[J]. 空间科学学报, 2017, 37(3): 270-276. doi: 10.11728/cjss2017.03.270
ZHAO Yuxin, MAO Tian, CHEN Zhou, WANG Jingsong. Ionospheric Weather Disturbance Indices Based on Spectral Whitening[J]. Journal of Space Science, 2017, 37(3): 270-276. doi: 10.11728/cjss2017.03.270
Citation: ZHAO Yuxin, MAO Tian, CHEN Zhou, WANG Jingsong. Ionospheric Weather Disturbance Indices Based on Spectral Whitening[J]. Journal of Space Science, 2017, 37(3): 270-276. doi: 10.11728/cjss2017.03.270

一种基于白谱法的电离层天气扰动指数

doi: 10.11728/cjss2017.03.270
基金项目: 

国家高技术研究发展计划项目(2014AA123503)和国家自然科学重点基金项目(40931056,41404136)共同资助

详细信息
    作者简介:

    王劲松,wangjs@cma.gov.cn

  • 中图分类号: P352

Ionospheric Weather Disturbance Indices Based on Spectral Whitening

  • 摘要: 基于一种电离层扰动提取方法——白谱法,利用IGS提供的电离层TEC网格数据,获得电离层Js指数、Jr指数和Jp指数,分别反映单站、纬度圈(沿经度积分)及行星际尺度下的电离层天气扰动状态.在2015年3月的一次磁暴过程中,Js指数、Jr指数及Jp指数均很好地反映出电离层响应地磁暴的过程,磁暴前后Jp指数与Dst指数相关系数达到-0.72;Js图从二维角度很好地表征了电离层天气的扰动过程.在此基础上,统计分析了2011——2014年Jp指数与Dst指数的相关性,结果表明:限定Jp≥2,Jp指数与对应时间Dst指数的相关系数为-0.67;限定Jp≥3,二者相关系数更高,达到-0.87.通过分析不同Jp指数阈值下不同等级磁暴的次数,发现Jp指数可以很好地反映磁暴下的电离层整体扰动,为指示电离层天气状态提供了可能的参数.

     

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出版历程
  • 收稿日期:  2016-01-15
  • 修回日期:  2016-03-18
  • 刊出日期:  2017-05-15

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