1. Yinshanbeilu Grassland Eco-Hydrology National Observation and Research Station, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
2. Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
3. Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling 712100, China
4. College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China