2011•Proceedings of the 34th World Congress of the International Association for Hydro- Environment Research and Engineering: 33rd Hydrology and Water Resources Symposium and 10th Conference on Hydraulics in Water EngineeringRequires access

Applying SWAT for Non-point Source Pollution Simulation to a Data Scarce Catchment in China

Xiaohong Zhang, HX Li, Y Chen, Tu Ao

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Abstract

In recent years, non-point source pollution in water quality management has become more and more significant for water environmental protection. The objective of this study was to apply the soil and water assessment tool (SWAT) for non-point source pollution simulation to a data scarce catchment, Yuanhe catchment, in South-East China. Model parameters were calibrated by making full use of the insufficient streamflow, sediment and nutrient data of the catchment. The results indicated that the simulated runoff and water quality values were acceptably close to the observed data. The results show that SWAT is a useful tool for non-point source pollution simulation for a data scarce catchment.

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Key concepts: SWAT model, Environmental science, Surface runoff, Drainage basin, Nonpoint source pollution, Soil and Water Assessment Tool, Pollution, Hydrology (agriculture)