1. Associate Professor, National Field Observation and Research Station of Landslides in the Three Gorges Reservoir Area of Yangtze River, China Three Gorges Univ., No. 8 University Ave., Yichang 443002, P.R. China (corresponding author).
2. Professor, National Field Observation and Research Station of Landslides in the Three Gorges Reservoir Area of Yangtze River, China Three Gorges Univ., No. 8 University Ave., Yichang 443002, P.R. China.
3. Associate Professor, Collaborative Innovation Center for Geo-Hazards and Eco-Environment in the Three Gorges Area, Hubei Province, No. 8 University Ave., Yichang 443002, P.R. China.
4. Professor, Collaborative Innovation Center for Geo-Hazards and Eco-Environment in the Three Gorges Area, Hubei Province, No. 8 University Ave., Yichang 443002, P.R. China.