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SWAT - Soil and Water Assessment Tool

The Soil and Water Assessment Tool (SWAT) is a public domain model jointly developed by USDA Agricultural Research Service (USDA-ARS) and Texas A&M AgriLife Research, part of The Texas A&M University System. SWAT is a small watershed to river basin-scale model to simulate the quality and quantity of surface and ground water and predict the environmental impact of land use, land management practices, and climate change. SWAT is widely used in assessing soil erosion prevention and control, non-point source pollution control and regional management in watersheds.

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FieldValue
Tags
SWAT
Soil and Water Assessment Tool
NP211
NP212
NP215
Soil
Water
model
environmental impact
watershed
river basin
surface water
ground water
land management
soil erosion
pollution
Climate Change
Modified
2022-02-10
Release Date
2018-04-19
Identifier
f68e7bf5-2c49-46ed-8897-b79ea0a73147
Spatial / Geographical Coverage Area
POLYGON ((-95.393066704273 49.390718622262, -122.99072295427 49.046272144223, -124.39697295427 47.880743391454, -124.74853545427 42.562524148417, -122.81494170427 37.589572543393, -119.12353545427 33.29533705186, -116.31103545427 32.260816853318, -114.55322295427 32.705654921671, -110.68603545427 31.214370510697, -108.40087920427 31.214370510697, -107.52197295427 31.813788042556, -106.64306670427 31.813788042556, -103.12744170427 29.086579846985, -102.07275420427 29.699190146047, -100.13916045427 28.624713962673, -97.678222954273 25.494524269057, -96.623535454273 28.160807105531, -94.689941704273 29.086579846985, -91.701660454273 29.546383858427, -90.119629204273 28.93285262998, -89.240722954273 30.004105722576, -86.604004204273 30.156213563649, -84.143066704273 29.851764343352, -82.385254204273 28.470304068247, -81.154785454273 25.653084153224, -80.275879204273 25.653084153224, -79.748535454273 26.757059094238, -81.330566704273 30.45972578952, -80.803222954273 31.664294451237, -75.529785454273 35.184287601126, -74.123535454273 39.784622524538, -72.717285454273 40.989576410551, -70.256347954273 41.780872961995, -70.256347954273 43.716860745734, -67.268066704273 44.599596818623, -67.443847954273 47.048918724375, -69.025879204273 47.525858859652, -70.080566704273 46.203916132075, -71.311035454273 45.59226206518, -74.475097954273 45.098086535875, -76.232910454273 44.22289853526, -78.869629204273 43.843774374786, -79.221191704273 42.691859658448, -82.736816704273 41.518177644287, -82.209472954273 43.334503843965, -83.615722954273 46.082124300382, -84.670410454273 46.92901151486, -89.768066704273 47.880743391454))
Publisher
USDA Agricultural Research Service; Texas A&M AgriLife Research
Spatial / Geographical Coverage Location
Contiguous United States
License
U.S. Public Domain
Contact Name
Arnold, Jeff
Contact Email
jeff.arnold@ars.usda.gov
Public Access Level
Public
Program Code
005:040 - Department of Agriculture - National Research
Bureau Code
005:18 - Agricultural Research Service
Extended Metadata: 
FieldValue
Authors
USDA ARS Grassland Soil and Water Research Laboratory
Texas A&M AgriLife Research
Peer Reviewed
No
Intended Use
Predict the effect of management decisions on water, sediment, nutrient and pesticide yields with reasonable accuracy on large, ungaged river basins.
Funding Sources
Agricultural Research Service
Product Type
Software
Related Content
NLET - National Load Estimating Tool
SNAP - Soil Nutrient Assessment Program
SWIFT - Small Watershed Nutrient Forecasting Tool
Soil and Water Hub: SWAT Modeling Datasets
RIST - Rainfall Intensity Summarization Tool
SWAT Land Use Tool download page
ArcSWAT download
FieldValue
ISO Topic(s)
biota
environment
geoscientificInformation
inlandWaters
State or Territory
United States Of America
National Agricultural Library Thesaurus Term
sediments
nutrients
landscapes
watersheds
groundwater
soil
land use
soil quality
conservation practices
runoff
pollutants
soil erosion models
simulation models
water quality
Internet
pollution load
United States
prediction
cost effectiveness
hydrologic models
computer software
Soil and Water Assessment Tool model
models
Agricultural Research Service
Texas
rivers
environmental impact
climate change
soil erosion
nonpoint source pollution
pollution control
water management
water resources
Ag Data Commons Keywords
  • Agroecosystems & Environment
  • Soil
  • Nutrients
  • Agroecosystems & Environment
  • Water
  • Hydrology
  • Agroecosystems & Environment
  • Weather and Climate
  • Agroecosystems & Environment
  • Management
  • Plants & Crops
  • Crop production
  • Nutrient Management
  • Agroecosystems & Environment
  • Water
  • Water quality
  • Plants & Crops
  • Crop production
  • Agroecosystems & Environment
  • Soil
  • Agroecosystems & Environment
  • Water
  • Agroecosystems & Environment
  • Plants & Crops

Suggested Citation:

(dataset) USDA ARS Grassland Soil and Water Research Laboratory; Texas A&M AgriLife Research (2018). SWAT - Soil and Water Assessment Tool. USDA Agricultural Research Service; Texas A&M AgriLife Research. https://data.nal.usda.gov/dataset/swat-soil-and-water-assessment-tool. Accessed 2023-03-25.