1. Ph.D. Student, College of Water Resource Science and Engineering, Taiyuan Univ. of Technology, Taiyuan, Shanxi 030024, PR China.
2. Professor, College of Water Resource Science and Engineering, Taiyuan Univ. of Technology, Taiyuan, Shanxi 030024, PR China (corresponding author).
3. Associate Professor, College of Water Resource Science and Engineering, Taiyuan Univ. of Technology, Taiyuan, Shanxi 030024, PR China.
4. Professor, College of Water Resource Science and Engineering, Taiyuan Univ. of Technology, Taiyuan, Shanxi 030024, PR China.
5. Ph.D. Candidate, College of Water Resource Science and Engineering, Taiyuan Univ. of Technology, Taiyuan, Shanxi 030024, PR China.