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Connecting hydrological and water quality models for prediction research of reservoir water quality |
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Abstract Two powerful watershed and water quality models (AnnAGNPS and CE-QUAL-W2) were integrated In this paper. The non-point source pollution loading of AnnAGNPS model input the CE-QUAL-W2 model. The CE-QUAL-W2 model was applied to simulate water quality in the Jinpen Reservoir and study of non-point source pollution on water quality of reservoir. When predicting the water quality of reservoir non-point source pollutions should be treated differently in flood and non-flood period. Non-point source pollution had great impact for water quality of Jinpen Reservoir in flood period, but non-point source pollution had less impact for reservoir water quality in non-flood period. The impacts made a great difference between longitudinal and vertical water quality. Forest played a significant role for non-point source pollution reduction in the watershed.
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Received: 10 May 2011
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