Airport Land Subsidence Monitoring Based on Time Series InSAR

As an important infrastructure for air transportation and cities, airports are an important part of the comprehensive transportation system. Therefore, land subsidence monitoring of airports is of extremely important significance. This article uses 32 scenes of Sentinel-1A data and based on Time Series InSAR (Interferometric Synthetic Aperture Radar) technology to obtain land subsidence information of Zhengzhou Xinzheng International Airport from November 2020 to December 2021.The results show that there is no significant surface settlement in the airport terminal area, but the density of target points obtained from the airport runway is insufficient and cannot well reflect the deformation on the runway.