ArcSWAT 2009.93.7b Release Information

• Release Notes
• SWAT model changes between versions
• If you are experiencing errors updating the input files, download the latest SWAT2009.mdb and replace the existing file in the ArcSWAT\Databases folder. After replacing you will need to update any of the user-updated tables to this new database before using ArcSWAT.

SWATeditor companion software to ArcSWAT

Download SWATeditor 2009.93.7a Released June 19, 2011, for SWAT2009

SWATeditor reads the project database generated by ArcSWAT interface to edit swat input files, execute SWAT run, perform sensitivity, autocalibration and uncertainty analysis. This is a standalone program and does not require ArcGIS, thus helping users of ArcSWAT to share their project with others that do not have ArcGIS or much experience with GIS in general. In order to use the SWATeditor, the users need to have created an ArcSWAT project under the "write all" menu.

Key Procedures

• Load or select the ArcSWAT extension
• Delineate the watershed and define the HRUs (including landuse, soil, and slope as a unique HRU)
• (Optional) Edit SWAT databases
• Define the weather data
• Apply the default input files writer
• (Optional) Edit the default input files
• Set up (requires specification of simulation period, PET calculation method, etc.) and run SWAT
• (Optional) Apply a calibration tool
• (Optional) Analyze, plot and graph SWAT output (VizSWAT)

System Requirements

In order to install ArcSWAT for ArcGIS 9.3.1, you MUST have:

• Microsoft Windows XP or Windows 2000
• ArcGIS 9.3.1 , Service Pack 2 (build 4000).
  Note: Other ArcGIS 9.3.x versions should be compatible.
• ArcGIS Spatial Analyst 9.3.1
• ArcGIS Dot Net support (usually found in: C:\ProgramFiles\ArcGIS\DotNet)
• Microsoft .Net Framework 2.0
• Adobe Acrobat Reader Version 8 or higher.