Runoff Simulation Study of the Yellow River Basin(Henan Section)Based on the SWAT Model
[Purposes]The imbalance of water and soil resources seriously restricts the high-quality de-velopment of economy and society in Henan Province.Runoff simulation is the premise of reasonable regulation of water and soil resources,which is of great significance for the efficient management of water and soil resources in the basin.[Methods]The SWAT model of the Yellow River basin(Henan section)was constructed based on GIS,the spatial database and attribute database of the basin model were estab-lished,SUFI-2 algorithm was used to analyze the important parameters affecting the simulated runoff re-sults,and Huayuankou station and Aishan station were selected as the exits for calibration to simulate the runoff process of the Yellow River basin(Henan section).[Findings]The results show that among the parameters,SFTMP and SOL_AWC have the most significant influence on the runoff simulation results.R2 and NSE of Huayuankou and Aishan stations are greater than 0.8,and SWAT model has good applica-bility in the Yellow River basin(Henan section).[Conclusions]The results have some reference for the simulation of water resources in the Yellow River basin(Henan section),and the model provides a refer-ence for the simulation of future runoff change at Huayuankou station and Aishan station.
SWAT modelrunoff simulationHuayuankou StationAishan StationYellow River Basin(Henan section)
万方数据
维普
