ALOS-2 Observations of Subsidence in Shenzhen

Subsidence has been reported in land reclamation area of Shenzhen. In this study, time series InSAR technique is employed to determine the surface movements in Shenzhen in the period between 2015 and 2018 using ALOS-2 images. Subsidence can be observed in Qianhai, Houhai, and the area to the south of Bao'an International Airport. Subsidence detected are in land reclamation area. This study highlight the necessity of continuous displacement monitoring in Shenzhen.