SWAT Literature Database for Peer-Reviewed Journal Articles

Title:Impact of DEM mesh size and soil map scale on SWAT runoff, sediment, and NO3-N loads predictions 
Authors:Chaplot, V 
Year:2005 
Journal:Journal of Hydrology 
Volume:312(1-4) 
Pages:207-222 
Article ID: 
DOI:10.1016/j.jhydrol.2005.02.017 
URL (non-DOI journals): 
Model:SWAT 
Broad Application Category:hydrologic & pollutant 
Primary Application Category:DEM effects 
Secondary Application Category:soil data resolution effects 
Watershed Description:2183 ha Lower Walnut Creek (central Iowa) 
Calibration Summary: 
Validation Summary:MD, MAD, RMSD, P statistics reported 
General Comments:DEMs ranged from 20 to 500 m resolution; soil data from 1:25,000 to 1:500,000. DME mesh sizes > 50 m dhad only small effects on flow, but did result in errors for estimated nitrate & sediment loads. A detailed soil map is needed, regardless of DEM size, to accurately estimate loads. 
Language:English 
Keywords:Hydrologic modeling; SWAT; Spatial input data; DEM; Soil map