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  • 软件名称:基于Sentinel-1A数据反演九寨沟地震地表形变场
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 李丹, 杨斌, 陈财
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 针对四川省九寨沟2017年8月8日发生的7.0级地震引起的地表形变,使用欧空局2014年发射的Sentinel-1A卫星C波段雷达影像数据,采用两轨雷达差分干涉技术(D-InSAR)处理得到了研究区范围内同震形变场。干涉结果显示,此次地震造成了明显的地表形变,景区内最大抬升达到了12.6 cm,最大沉降达9.8 cm。研究结果表明:Sentinel-1A卫星的C波段雷达数据非常适用于对植被覆盖葱郁、地形复杂的区域进行D-InSAR形变监测。D\|InSAR技术获取的地表形变信息可用于分析讨论地震受灾范围和地震机理。进一步明确了D-InSAR技术在大范围地表形变探测和地学研究范畴的重要地位。   关键词: 地表形变;  Sentinel-1A;  D-InSAR;  ')" href="#">九寨沟地震     Abstract: Based on C-band SAR data of Sentinel-1A satellite,two-pass Differential Interferometric Synthetic Aperture radar (D-InSAR) method was applied for analyzing the ground displacement due to the August 8,2017 Jiuzhaigou MS 7.0 earthquake shock.It obtained the study area coseismic deformation field.The interference results show that the earthquake caused obvious surface deformation,and the maximum uplift in the scenic area reached 12.6 cm,and the maximum settlement was 9.8 cm.The results show that the C-band radar data of Sentinel-1A satellite is very suitable for the detection of D-InSAR deformation in areas with dense vegetation and complex terrain.The ground deformation information obtained by D-InSAR technology can be used to analyze and discuss the scope of earthquake disaster and the mechanism of earthquake.The important status of D-InSAR technology in the field of large scale surface deformation detection and geoscience research are further clarified.

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