SWAT - Soil and Water Assessment Tool
<p>The <a href="https://swat.tamu.edu/">Soil and Water Assessment Tool (SWAT)</a> 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 …