National Laboratory for Information Engineering in Survey, Mapping and Remote Sensing,Wuhan University Luoyu Road 129, Wuhan 430079, P. R. China;
National Laboratory for Information Engineering in Survey, Mapping and Remote Sensing,Wuhan University Luoyu Road 129, Wuhan 430079, P. R. China;
synthetic aperture radar interferometry (InSAR); differential interferometry synthetic aperture radar (D-InSAR); digital elevation model(DEM); ground subsidence monitoring;