1. School of Geographical Sciences, Southwest University, Chongqing 400715, China
2. Key Laboratory of Monitoring, Evaluation and Early Warning of Territorial Spatial Planning Implementation, Ministry of Natural Resources, Chongqing 401147, China
3. Chongqing Institute of Geology and Mineral Resources, Chongqing 401120, China
4. China Chongqing Huadi Engineering Investigation Designing Institute, Chongqing 401120, China