1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, People’s Republic of China
2. School of Earth Sciences, Yunnan University, Kunming, People’s Republic of China
3. Key Laboratory of Land Subsidence Monitoring and Prevention, Ministry of Land and Resources, Shanghai, People’s Republic of China
4. Shanghai Institute of Geological Survey, Shanghai, People’s Republic of China