| 汶川大地震前后GPS观测的精密单历元解得到的震区地壳运动 |
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| 引用本文： | 顾国华,孟国杰,方颖.汶川大地震前后GPS观测的精密单历元解得到的震区地壳运动[J].地震学报,2011,33(3):319-326. |
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| 作者姓名： | 顾国华 孟国杰 方颖 |
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| 作者单位： | （中国北京 100036中国地震局地震预测研究所） |
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| 基金项目： | 公益性行业科研专项(200708030); 基本科研业务专项(0207690201)资助 |
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| 摘 要： | 利用BERNESE软件的单历元观测值双差定位功能,获取了接近2008年5月12日汶川Ms8.0大地震震中5个GPS观测站(PIXI,CHDU,JYAN,NEIJ和LUZH站)震前的短临位移过程及震后短时间的位移.通过拟合和对比分析,讨论了单历元解的精度.计算结果表明,以YANC站为固定站,LUZH站震前5月9日N(南北...
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| 关 键 词： | GPS 地壳运动 单历元解 汶川大地震 垂直位移 |
Crustal movement in the earthquake area before and after 2008 Wenchuan earthquake as detected by precise single epoch positioning of GPS observations |
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| Gu Guohua,Meng Guojie,Fang Ying.Crustal movement in the earthquake area before and after 2008 Wenchuan earthquake as detected by precise single epoch positioning of GPS observations[J].Acta Seismologica Sinica,2011,33(3):319-326. |
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| Authors: | Gu Guohua Meng Guojie Fang Ying |
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| Institution: | （Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China） |
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| Abstract: | Displacement time series of precise single epoch positioning imminently before the great Wenchuan earthquake on May 12,2008,and shortly after the earthquake at 5 GPS stations of PIXI,CHDU,JYAN,NEIJ and LUZH are obtained from the double difference positioning of the BERNESE software.Through analysis on the best fit result and comparison of different results the accuracy of the single epoch solutions is discussed.The result of data processing with YANC used as a fixed station show that there were significant ... |
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| Keywords: | GPS crustal movement single epoch positioning solution great Wenchuan earthquake vertical displacement |
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