Zhihong Song¹, Jun Xia¹, Dunxian She¹, Liping Zhang¹, Lei Zou² and Chen HU¹, (1)Wuhan University, School of Water Resources and Hydropower Engineering, Wuhan, China, (2)Key Laboratory of Water Cycle & Related Land Surface Processes, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China