Yuan Yang¹, Peirong Lin², Hylke Beck³, Hui Lu⁴, Kun Yang⁵, Dai Yamazaki⁶, Yang Hong¹, Eric F Wood³ and Ming Pan³, (1)Tsinghua University, Department of Hydraulic Engineering, Beijing, China, (2)Princeton University, Civil & Environmental Engineering, Princeton, NJ, United States, (3)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (4)Tsinghua University, Department of Earth System Science, Beijing, China, (5)Center for Earth System Science, Tsinghua University, Beijing, China, (6)The University of Tokyo, Institute of Industrial Sciences, Tokyo, Japan