1. Master's Student, School of Resources and Environment, Univ. of Electronic Science and Technology of China, Chengdu 611731, China.
2. Associate Professor, School of Resources and Environment, Univ. of Electronic Science and Technology of China, Chengdu 611731, China (corresponding author).
3. Professor, School of Computer Science and Technology, Univ. of Electronic Science and Technology of China, 611731 Chengdu, China.
4. Professor, State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China.