The Inter-annual Variability of Controlling Parameter of Catchment Water Balance and Its Semi-empirical Formula Based on the Budyko Hypotheses

Tingting Ning1,2, Wenzhao Liu1,3, Xiaoyang Han3,4 and Hydro-ecology team on the Loess Plateau, (1)State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, China, (2)Northwest A&F University, State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Yangling, China, (3)Chinese Academy of Sciences, Ministry of Water Resources, Institute of Soil and Water Conservation, Yangling, China, (4)Northwest A&F University, Yangling, China