1. Ph.D. Candidate, College of Water Resources and Architectural Engineering and Key Laboratory for Agricultural Soil and Water Engineering in Arid Area of Ministry of Education, Northwest A & F Univ., Yangling 712100, China.
2. Professor, College of Water Resources and Architectural Engineering and Key Laboratory for Agricultural Soil and Water Engineering in Arid Area of Ministry of Education, Northwest A & F Univ., Yangling 712100, China (corresponding author).
3. Lecturer, College of Hydraulic Science and Engineering, Yangzhou Univ., Yangzhou 225009, China.
4. Postdoc, Dept. of Water Resources Management and Agricultural-Meteorology, Federal Univ. of Agriculture, PMB 2240, Abeokuta 110282, Nigeria; Postdoc, State Key Laboratory of Hydroscience and Engineering, Dept. of Hydraulic Engineering, Tsinghua Univ., Beijing 100084, China.