Services > Environmental Modeling > Watershed Modeling

Geospatial Watershed Modeling

Geographic information systems (GIS) have long been used in combination with specialized models to simulate the fate and transport of agrochemicals in watersheds. Waterborne uses GIS in combination with models such as SWAT, PRZM, RIVWQ, and RICEWQ to compute estimated environmental concentrations in watersheds. When combined with these models, GIS is used as a post-processor to:

• combine distributed datasets
• determine the unique combinations of land use, crops, soils, weather, and catchments
• determine catchment land use characteristics for riverine modeling
• create input files for PRZM, RIVWQ, or RICEWQ

Using this approach, we have modeled watersheds in the United Kingdom, United States, Japan, China, Australia, and other countries.

Waterborne staff have also developed prototype tools to use SWAT as a processor in combination with PRZM and RIVWQ.