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Sumatra-Adaman大地震同震和震后形变的GRACE卫星检测
Detection of Co-seismic and Post-seismic Deformation Caused by the Sumatra-Andaman Earthquake Using GRACE
【摘要】 利用CSR公布的RL-04版GRACE卫星月重力场模型计算了9.1级Sumatra-Adaman大地震的同震和震后形变效应。数值结果表明,GRACE能够监测到的同震和震后形变量为-20~10cm的等效水高,为大地震同震和震后形变监测提供了一种独特、有效的方法。
【Abstract】 The co-seismic and post-seismic deformation caused by Sumatra-Adaman earthquake are computed by using RL04 GSM monthly gravity model of GRACE published by CSR.The analysis and comparison of numerical results show that co-seismic and post-seismic deformation information about-20-10 cm equivalent water thickness from large earthquake can be detected by GRACE satellite gravity surveying.
【基金】 国家自然科学基金资助项目(40704009);中国地震局地震研究所发展基金资助项目(IS200736026)
- 【文献出处】 武汉大学学报(信息科学版) ,Geomatics and Information Science of Wuhan University , 编辑部邮箱 ,2009年09期
- 【分类号】P227
- 【被引频次】15
- 【下载频次】247