1. Master’s Candidate, College of Water Resources and Architectural Engineering, Northwest A&F Univ., Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F Univ., Yangling 712100, China.
2. Professor, College of Water Resources and Architectural Engineering, Northwest A&F Univ., Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F Univ., Yangling 712100, China (corresponding author).
3. Doctor Candidate, College of Water Resources and Architectural Engineering, Northwest A&F Univ., Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F Univ., Yangling 712100, China.