Ground Validation of IMERG and TMPA 3B42 Rainfall Products Based on an Ultra-High Density Network of Rain Gauges over Mountainous Region

Ran Xu1, Fuqiang Tian2, Long Yang1, Zhihua He1, Hongchang Hu1 and You Lu2, (1)Tsinghua University, Beijing, China, (2)Tsinghua University, Department of Hydraulic Engineering, Beijing, China