Hydrochemical evolution and groundwater-river interaction in a headwater catchment in Miyun Reservoir, China

Yaping Liu1,2, Fuqiang Tian2, Hongchang Hu2, Qiang Tie2, Sihan Zhao2 and Zhongwang Wei3, (1)Capital Normal University, College of Resources, Environment & Tourism, Beijing, China, (2)Tsinghua University, Department of Hydraulic Engineering, Beijing, China, (3)Yale University, School of Forestry and Environmental Studies, New Haven, CT, United States