1. Associate Professor, Key Laboratory of Geological Hazards on Three Gorges Reservoir Area, Ministry of Education, China Three Gorges Univ., Yichang 443002, China.
2. M.Sc. Candidate, Key Laboratory of Geological Hazards on Three Gorges Reservoir Area, Ministry of Education, China Three Gorges Univ., Yichang 443002, China.
3. Undergraduate Student, Key Laboratory of Geological Hazards on Three Gorges Reservoir Area, Ministry of Education, China Three Gorges Univ., Yichang 443002, China.
4. Professor, Key Laboratory of Geological Hazards on Three Gorges Reservoir Area, Ministry of Education, China Three Gorges Univ., Yichang 443002, China (corresponding author).