High-efficient Extraction of Drainage Networks from Digital Elevation Model Data Constrained by Enhanced Flow Enforcement from Known River Map

Tao Wu, Tsinghua University, Department of Hydraulic Engineering, Beijing, China, Tiejian Li, State Key Laboratory of Hydro-Science and Engineering, Tsinghua University, Beijing, China, Jiaye Li, Dongguan University of Technology, School of Environment and Civil Engineering, Dongguan, China and Guangqian Wang, Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Beijing, China