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谢益炳, 伍吉仓, 陈俊平, 彭遥. 2014: 芦山MS7.0地震前后电离层 电子含量扰动分析. 地震学报, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
引用本文: 谢益炳, 伍吉仓, 陈俊平, 彭遥. 2014: 芦山MS7.0地震前后电离层 电子含量扰动分析. 地震学报, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
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Xie Yibing, Wu Jicang, Chen Junping, Peng Yao. 2014: Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake. Acta Seismologica Sinica, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
Citation: Xie Yibing, Wu Jicang, Chen Junping, Peng Yao. 2014: Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake. Acta Seismologica Sinica, 36(1): 95-105. DOI: 10.3969/j.issn.0253-3782.2014.01.008.
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芦山MS7.0地震前后电离层 电子含量扰动分析

Perturbation analysis of the ionospheric TEC before and after the Lushan MS7.0 earthquake

    摘要
  • 摘要: 基于IGS提供的GIM数据和陆态网测站数据， 采用统计学分析法对芦山MS7.0地震前后各10天的垂直总电子含量(VTEC)进行统计分析. 结果显示， 4月16—21日出现明显的VTEC异常减少. 因此， 在排除太阳活动因素后， 认为电离层的异常变化有可能是地震发生的前兆信息.

     

    Abstract: By using the statistical analysis method, the ionospheric VTEC data of ten days before and after the Lushan MS7.0 earthquake have been analyzed and discussed in detail, based on the GIM data offered by IGS and the Crustal Movement Observation Network of China.The results show that obvious VTEC reduction appeared between 16 and 21 April, 2013. So the abnormal variations of the ionospheric TEC may be precursors to the earthquake, excluding the solar activity factors.

     

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