Soil and Water Assessment Tool (SWAT) is a free and

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

hydrology model and GIS computer simulation sponsored by the

USDA The United States Department of Agriculture (USDA) is the federal executive department responsible for developing and executing federal laws related to farming, forestry, rural economic development, and food. It aims to meet the needs of com ...

. SWAT is a well known geographic hydrological model in use by many universities and government agencies around the world, and integrates with commercial products like

ArcGIS ArcGIS is a family of client, server and online geographic information system (GIS) software developed and maintained by Esri. ArcGIS was first released in 1999 and originally was released as ARC/INFO, a command line based GIS system for mani ...

Some users of SWAT

*The

River Systems Research Group A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

of the

Department of Oceanography Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military * Department (administrative division), a geographical and administrative division within a country, ...

at the

University of Washington The University of Washington (UW, simply Washington, or informally U-Dub) is a public research university in Seattle, Washington. Founded in 1861, Washington is one of the oldest universities on the West Coast; it was established in Seat ...

*The

Hydro and Agro Informatics Institute Hydro from Ancient Greek word ὕδωρ (húdōr), meaning '' water''. Hydro may also refer to: Energy technologies * Water-derived power or energy: ** Hydropower, derived from water ** Hydroelectricity, in electrical form * "Hydro", AC m ...

under the Ministry of Science and Technology of the

Royal Thai Government The Government of Thailand, or formally the Royal Thai Government ( Abrv: RTG; th, รัฐบาลไทย, , ), is the unitary government of the Kingdom of Thailand. The country emerged as a modern nation state after the foundation of th ...

*The Departments of Agricultural & Biological Engineering and Civil & Environmental Engineering at

Purdue University Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and ...

References

External links

Water Quality Model Passes Another Test (SWAT)
* http://www.brc.tamus.edu/swat/ {{DEFAULTSORT:Soil And Water Assessment Tool United States Department of Agriculture