A coupled atmospheric–hydrologic modeling system with variable grid sizes for rainfall–runoff simulation in semi-humid and semi-arid watersheds: how does the coupling scale affects the results?
Jiyang Tian,Jia Liu,Yang Wang,Wei Wang,Chuanzhe Li,and Chunqi Hu
Jiyang Tian
State Key Laboratory of Simulation and Regulation of Water Cycle in
River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
State Key Laboratory of Simulation and Regulation of Water Cycle in
River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
Yang Wang
State Key Laboratory of Simulation and Regulation of Water Cycle in
River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
Swanson School of Engineering, University of Pittsburgh,
Pittsburgh, PA 15261, USA
Wei Wang
State Key Laboratory of Simulation and Regulation of Water Cycle in
River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China
Chuanzhe Li
State Key Laboratory of Simulation and Regulation of Water Cycle in
River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
Chunqi Hu
Bureau of Water Resources Survey of Hebei, Shijiazhuang, 050031, China
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The aim of this study is to explore the appropriate coupling scale of the coupled atmospheric–hydrologic modeling system, which is established by the Weather Research and Forecasting (WRF) model and the gridded Hebei model with different sizes. The results show that the flood simulation results may not always be improved with higher-dimension precision and a more complicated system, and the grid size selection has a strong relationship with the rainfall evenness.
The aim of this study is to explore the appropriate coupling scale of the coupled...
