Hydrodynamic Modelling with Soil and Water Assessment Tool (SWAT) for Predicting Dynamic Behaviour of Pesticides
نویسندگان
چکیده
The first step in the dynamic modelling of pesticides is a reliable hydrodynamic model. SWAT (Soil and Water Assessment Tool) calculates both the dynamic hydrological response and the associated diffuse pesticide supply towards surface waters. In this study, we focus on the hydrodynamic part. First, an intensive data collection for the Nil-catchment was performed. During model set-up, a reduction of the number of model parameters was obtained using an LH-OAT sensitivity analysis. Next, the selected parameters were optimised by a manual and an auto-calibration. The auto-calibration procedure is based on a multiobjective function which incorporates the algorithms of the Shuffled Complex Evolution Method. Results of the manual and the auto-calibration are compared.
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