利用两轨法D-InSAR技术获取玛尼地震形变  

Deformation of Mani Earthquake Obtained by Using Two-rail D-InSAR Technique

作　　者：刘瑞春[1,2] 季灵运[3,4] 王秀文[1] 宁亚灵[1,2] 

机构地区：[1]山西省地震局,山西太原030021 [2]太原大陆裂谷动力学国家野外科学观测研究站,山西太原030025 [3]中国地震局第二监测中心,陕西西安710054 [4]中国地震局地质研究所,北京100029

出　　处：《山西地震》2008年第3期6-8,28,共4页Earthquake Research in Shanxi

基　　金：山西省地震局科研项目(SBK-0806)

摘　　要：采用欧洲太空局提供的ERS1/2 SAR影像数据,结合美国NASA提供的免费SRTM DEM,利用两轨法D-InSAR技术获取了1997年11月8日西藏玛尼地震的部分差分干涉图。结果表明,断裂为左旋扭动态势,由地震引起的雷达视线向的形变北盘约为0.7 m,南盘约为0.8 m,认为,利用D-InSAR技术提取地震形变具有一定的潜力和优势。Based on ERS1/2 SAR image data from European Space Agency as well as the free SRTM DEM from NASA, some differential interference maps of the Nov. 8, 1997 Mani earthquake are worked out by using two-rail D-InSAR technique. The result shows that rupture is left-lateral, the deformations, caused by the earthquake, of the northern side and southern side of the fault being about 0.7 m and 0. 8 m respectively along line of sight of radar. This example indicates that D-InSAR is a potential tool in detecting deformation of an earthquake.

关 键 词：形变测量 D—InSAR 两轨法 玛尼地震 

分 类 号：P315.61[天文地球—地震学]