WANG Xu-xi1,2, PENG Li1, SU Chun-jiang1, MA Yu-xiang1,3, XU Ding-de1,2
(1.Chengdu Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu,Sichuana 610041,China; 2.Univ of Chinese Academy of Sciences, Beijing 100049,China;3.Sichuan Land Consolidation and Rehabilitation Ceater, Chengdu,Sichuan 610045,China)