1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology); Chengdu 610059 China
2. The Institute of Geology; Chinese Academy of Geological Sciences; Beijing 100037 China
3. Xinjiang Institute of Ecology and Geography; Chinese Academy of Sciences; Ürümqi 830011 China
4. Donghua Polytechnic University; Nanchang 330013 China