Abstract

ABSTRACT: A conceptual, continuous time model called SWAT (Soil and Water Assessment Tool) was developed to assist water resource managers in assessing the impact of management on water supplies and nonpoint source pollution in watersheds and large river basins. The model is currently being utilized in several large area projects by EPA, NOAA, NRCS and others to estimate the off‐site impacts of climate and management on water use, non‐point source loadings, and pesticide contamination. Model development, operation, limitations, and assumptions are discussed and components of the model are described. In Part II, a GIS input/output interface is presented along with model validation on three basins within the Upper Trinity basin in Texas.

Keywords

Nonpoint source pollutionSoil and Water Assessment ToolEnvironmental scienceHydrological modellingHydrology (agriculture)Drainage basinWater resource managementWater resourcesConceptual modelPollutionComputer scienceGeologyGeographyStreamflow

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Publication Info

Year
1998
Type
article
Volume
34
Issue
1
Pages
73-89
Citations
7584
Access
Closed

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J. G. Arnold, Raghavan Srinivasan, R. S. Muttiah et al. (1998). LARGE AREA HYDROLOGIC MODELING AND ASSESSMENT PART I: MODEL DEVELOPMENT<sup>1</sup>. JAWRA Journal of the American Water Resources Association , 34 (1) , 73-89. https://doi.org/10.1111/j.1752-1688.1998.tb05961.x

Identifiers

DOI
10.1111/j.1752-1688.1998.tb05961.x