1. GIS Application Research Key Laboratory of Chongqing Education Commission of China, Chongqing Normal University, Chongqing, China
2. Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Chongqing, China
3. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China
4. Institute of Exploration Technology, China Geological Survey, Chengdu, China
5. China Inst Geoenvironm Monitoring, Tech Guidance Ctr Geohazards Prevent MNR, Beijing, China
6. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China