Watershed Analysis Tools on the Web

|| Other Links || Ag and Nonpoint Source Pollution Models || Surface Water Models ||
|| Water Quality Models || GIS And Supporting Tools || GIS Linkage ||
|| Online Courses || Miscellaneous ||

Other Internet Link Pages

• USGS Water Resources Application Software
• NRCS Water Quality Tools, Databases and Bibliographies Page
• EPA Water Quality Tools, Databases and Software

Ag and Non-point Source Pollution Models

• AGNPS
• AGNPS - GRASS Interface (with descriptions and source code)
• SWAT Home Page - at TAMU
• SWAT Description - in dino model database
• SWAT/ArcInfo Linkage  - paper by Zhou and Fulcher for ESRI 97
• ARCSWAT - public domain Arc/SWAT interface by Bian and Blodgett
• SWRRBWQ - Simulator for Water Resources in Rural BasinsWater Quality (USDA) - description
• SWRRBWQ - Full description and links to source
• EPIC Home Page- Erosion Productivity Impact Calculator - at TAMU
• BASINS - EPA watershed analysis tool (ArcView linked to HSPF, others) for estimating total daily loads, other parameters for wtersheed assessment

Surface Water Models

• USGS Surface Water Models Page (many models, including HSPF, PRSM, etc)
• OWLS  - 2/3D watershed hydrology, C++ source available (From OSU)
• Watershed Modeling System (BYU)
• WMS Model with HEC-1 by the US Army Corps of Engineers
• GAIA Model Base HEC-2: Water Surface Profiles
• GAIA Model Base HEC-5: Simulation of Flood Control and Conservation Systems
• GAIA Model Base HEC-3: Reservoir System Analysis for Conservation
• GAIA Model Base HEC-1: Flood Hydrograph package

Water Quality Models

• USGS Water Quality Models Page (HSPF)
• CE-QUAL-W2 -   two-dimensional, longitudinal/vertical, hydrodynamic and water quality model

GIS and Supporting Software

• David Tarboton's page at Utah State, with 'C' based software for DEM analysis, drainage network and slope creation, ArcInfo/DEM code, etc... (good source!)
• RiverTools home page, a group of IDL-based tools for extracting drainage networks from DEMS, as well as other tools.
• BLM tools for DEM manipulation, Vector/Raster file format conversion, and a bunch of other things.
• ESRI's Self-help page
• AGU Terrain Modeling page - lots of good stuff
• FSL Hydrological Modeling page lots of models and good links.

Linking Models with GIS

• Watershed Scale Hydrologic Modeling in a GIS Environment - paper

Courses in Watershed Analysis

• University of Central Florida
• Purdue - Computer Models in Soil and Water Conservation Engineering
• Univ. of Arizona - Introduction to Watershed Hydrology
• Univ. of Minnesota - Watershed Engineering
• Univ. of Texas - Intro to Physical and Chemical Hydrology
• Univ. of Texas - GIS in Water Resources

Miscellaneous

• Hydrologic Simulation Models - An Overview (Hydrocomp)
• Hydrologic Model Reviews - last updated in 96