1. Yinshanbeilu Grassland Eco-Hydrology National Observation and Research Station, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
2. College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling, Xianyang 712100, China
3. College of Grassland Agriculture, Northwest A&F University, Yangling, Xianyang 712100, China
4. Department of Physical Geography and Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden
5. Science and Technology Division, Department of Environment and Science, Queensland Government, P.O. Box 2454, Brisbane, QLD 4001, Australia
6. College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, Xianyang 712100, China