SWAT Literature Database for Peer-Reviewed Journal Articles

Title:
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Predicting water, sediment and NO3-N loads under scenarios of land-use and management practices in a flat watershed 
Authors:
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Chaplot, V., A. Saleh, D.B. Jaynes, and J. Arnold 
Year:2004 
Journal:Water, Air, and Soil Pollution 
Volume:154 (1-4) 
Pages:271-293 
Article ID: 
DOI:10.1023/B:WATE.0000022973.60928.30 
URL (non-DOI journals): 
Model:SWAT 
Broad Application Category:hydrologic & pollutant 
Primary Application Category:pollutant cycling/loss and transport 
Secondary Application Category:hydrologic assessment 
Watershed Description:
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51.3 km^2 Walnut Creek (central Iowa) 
Calibration Summary:
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Monthly (1991-98) at watershed outlet: streamflow r2 = .73 nitrate r2 = .56 
Validation Summary: 
General Comments:SWAT streamflow and nitrate discharge at the watershed outlet was found to be in accordance with observed data. Seven N fertilizer scenarios (% deviations from 152 kg/ha N reference rate) and lanuse scenarios, including winter wheat replacing corn-soybean and fertilized pasture scenarios, were performed. Decreasing N rates by 20, 40, & 60% in corn-soybean fields reduced N losses by 22, 50, & 95%. 
Language:English 
Keywords:erosion, hydrologic modeling, hydrology, land-use, management practices, nitrogen, scenarios, SWAT