Understanding of Storm Runoff Generation in a Semi-humid and Semi-arid Headwater Catchment in North China Based on Event Tracer Analysis

Sihan Zhao1, Hongchang Hu1, Fuqiang Tian1, Qiang Tie1, Yaping Liu2 and Zhenyang Peng1, (1)Tsinghua University, Department of Hydraulic Engineering, Beijing, China, (2)Capital Normal University, College of Resources, Environment & Tourism, Beijing, China