SBAS-InSAR技术在地面沉降监测中的应用  

Application of SBAS-InSAR Technology in Land Subsidence Monitoring

作　　者：唐少杰 林玉国 TANG Shao-jie;LIN Yu-guo(Surveying and Mapping Institute of Guizhou Geological and Mineral Exploration and Development Bureau,Guiyang Guizhou 550018,China;Shandong Geological Surveying and Mapping Institute,Jinan Shandong 250002,China)

机构地区：[1]贵州省地质矿产勘查开发局测绘院,贵州贵阳550018 [2]山东省地质测绘院,山东济南250002

出　　处：《地矿测绘》2024年第4期39-43,51,共6页Surveying and Mapping of Geology and Mineral Resources

摘　　要：相较于传统的地面沉降监测手段,基于小基线集SBAS-InSAR技术开展大区域、长时间序列的地面沉降监测具有显著的优势。为此,采用SBAS-InSAR技术对覆盖济宁某矿区的26景Sentinel-1A影像进行处理,获取矿区在2019年1月10日~2021年11月19日期间的年平均沉降速率和累积沉降量。研究结果表明,研究区域存在由于地下煤矿开采等引起的不同程度的沉降变化,累积沉降最大达到了249 mm,沉降速率最大达到了86 mm/a;基于不同成像时间监测到的累积沉降量图直观动态地揭示了随着地下煤矿的不断开采引发的地面沉降过程。Compared with the traditional land subsidence monitoring methods,the small baseline set SBAS-InSAR technology has significant advantages in carrying out large-scale and long-term land subsidence monitoring.Therefor,SBAS-InSAR technology was used to process 26 Sentinel-1A images covering a mining area in Jining,obtaining the annual average subsidence rate and cumulative subsidence amount of the mining area from January 10,2019 to November 19,2021.The research results indicate that there are different degrees of settlement changes caused by underground coal mining in the study area,with the maximum cumulative settlement reaching 249 mm and the maximum settlement rate reaching 86 mm/a.The cumulative subsidence maps monitored at different imaging times visually and dynamically reveal the ground subsidence process caused by continuous underground coal mining.

关 键 词：小基线集 矿区 地面沉降 数据处理 

分 类 号：P237[天文地球—摄影测量与遥感] TP722.6[天文地球—测绘科学与技术]