1. School of Land Science and Technology, China University of Geosciences, Beijing, China
2. Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming, China
3. POWERCHINA Zhongnan Engineering Corporation Limited, Changsha, China
4. China Aero Geophysical Survey & Remote Sensing Center for Natural Resources, Beijing, China
5. Key Laboratory of Monitoring and Protection of Natural Resources in Mining Cities, Ministry of Natural Resources, Jinzhong, China