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太阳活动低年低纬地区VTEC 变化特性分析

刘国其 龚建村 黄文耿 沈华

刘国其, 龚建村, 黄文耿, 沈华. 太阳活动低年低纬地区VTEC 变化特性分析[J]. 空间科学学报, 2013, 33(3): 270-276. doi: 10.11728/cjss2013.03.270
引用本文: 刘国其, 龚建村, 黄文耿, 沈华. 太阳活动低年低纬地区VTEC 变化特性分析[J]. 空间科学学报, 2013, 33(3): 270-276. doi: 10.11728/cjss2013.03.270
Liu Guoqi, Gong Jiancun, Huang Wengeng, Shen Hua. Analysis of variation characteristic of VTEC in the low latitude region during low solar activity[J]. Chinese Journal of Space Science, 2013, 33(3): 270-276. doi: 10.11728/cjss2013.03.270
Citation: Liu Guoqi, Gong Jiancun, Huang Wengeng, Shen Hua. Analysis of variation characteristic of VTEC in the low latitude region during low solar activity[J]. Chinese Journal of Space Science, 2013, 33(3): 270-276. doi: 10.11728/cjss2013.03.270

太阳活动低年低纬地区VTEC 变化特性分析

doi: 10.11728/cjss2013.03.270
基金项目: 国家重点基础研究发展计划项目资助(2012CB825606, 2011CB811406)
详细信息
  • 中图分类号: P352

Analysis of variation characteristic of VTEC in the low latitude region during low solar activity

  • 摘要: 利用福州台站(26.1°N, 119.3°E, 磁纬14.4°N)电离层闪烁与TEC监测仪2006-2010年的观测数据, 对该地区垂直总电子含量(VTEC)进行时间变化特性分析. 结果表明, 春秋冬三季的VTEC平均最高值出现在06:00UT, 夏季出现在08:00UT, 所有季节的平均最低值均出现在21:00UT; VTEC变化存在季节异常和弱冬季异常, 春秋季节高, 冬夏季节低, 夏季VTEC比冬季低且最大值出现时间延迟; VTEC在2006-2009年呈现下降的变化趋势, 2010年开始增强, 年际变化与太阳活动及地磁活动变化趋势具有较好的对应关系; VTEC变化与太阳活动存在很好的相关性, 相关系数达到0.5以上, 地磁活动则显示了弱相关的特性; F10.7与VTEC的相关性随着每天Kp指数总值Σkp的增大而减小.

     

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出版历程
  • 收稿日期:  2012-03-16
  • 修回日期:  2012-11-08
  • 刊出日期:  2013-05-15

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