Sentinel-1A京津冀平原区2016—2018年地面沉降InSAR监测

史珉, 宫辉力, 陈蓓蓓, 高明亮, 张舜康

Monitoring of land subsidence in Beijing-Tianjin-Hebei plain during 2016—2018 based on InSAR and Sentinel-1A data

SHI Min, GONG Huili, CHEN Beibei, GAO Mingliang, ZHANG Shunkang

表2 InSAR所得形变信息与水准测量结果比对

Tab.2 Comparison of the mean subsidence rate between the Sentinel-1A PS and leveling data

Sentinel- 1A 均方根误差/ (mm·a-1) 最大误差/ (mm·a-1) 最小误差/ (mm·a-1) R Track 142 5.5 11.6 0.2 0.97 Track 69 7.2 13.5 1.0 0.98