Watershed software

• The Modular Modeling System provides a flexible method for identifying the most appropriate modeling approaches given a specific set of user needs and constraints in order to create an "optimal" model.
  
  
• Weasel is a GIS grapical-user-interface designed to be used in watershed modeling.
  
  
• Also see Water Resources Applications Software for other available USGS software and related material (data and documentation) that may be useful in watershed research.