Abstract:Based on 38-view Sentinel-1 SAR images, the paper uses SBAS-InSAR technology to obtain information on the distribution, magnitude and spatial-temporal evolution of surface deformation along the Yellow river to Qingdao diversion route from 2019-02 to 2021-10. Then, we analyze the stability of the surface along the Yellow river to Qingdao diversion route based on deformation gradients, and use the Prophet model to predict the surface deformation at several characteristic points along the route. The study shows that SBAS-InSAR is able to obtain surface deformation in a large scale and long time series along the Yellow river to Qingdao diversion route and its surrounding areas, and the areas with relatively large values of linear deformation gradients in the horizontal and longitudinal profiles are highly consistent with the areas with severe surface deformation. Based on the monitoring results of SBAS-InSAR, the Prophet model is able to make better simulation and prediction for the characteristic points with small deformation.