摘要
利用时序InSAR技术的优势,以新疆卡拉贝利水库为研究对象,使用2017—2022年的Sentinel-1A升降轨影像,采用PS-InSAR技术对其进行形变监测,然后升降轨数据进行融合,分离出大坝垂直方向的数据,得到大坝及周边区域的形变结果。结合真实三维模型数据对大坝时序InSAR监测结果进行分析,并利用标准差和大坝传统监测数据对时序InSAR结果进行内外符合精度验证。通过验证发现时序InSAR数据处理结果与传统监测结果基本一致,得出的结论具有重要的防灾指导意义。
Based on the advantages of time-series InSAR technology,the study used Sentinel-1A ascending and descending orbit images from 2017 to 2022 to monitor the deformation of Kalabeili reservoir by using PS-InSAR technology.The ascending and descending orbit data was fused to separate the vertical deformation data of the dam and obtain the deformation results of the dam and its surrounding areas.Combined with 3D real model data to analyze dam time-series InSAR monitoring results,the standard deviation and the traditional dam monitoring data was used to verify the internal and external accuracy of the time series InSAR results.Through verification,it was found that the processing results of time series InSAR data was basically consistent with the traditional monitoring results,and the conclusions obtained had important guiding significance for disaster prevention.
作者
张俊建
唐宇琪
邹琪
ZHANG Junjian;TANG Yuqi;ZOU Qi(Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi 833011,China)
出处
《测绘与空间地理信息》
2024年第1期155-158,共4页
Geomatics & Spatial Information Technology
