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United States Department of Agriculture

Agricultural Research Service

WEPP Downloads
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The current version of the WEPP Windows interface is the August 30, 2012 package.  This includes the latest WEPP model version 2012.8


Current Version - August 30, 2012 - WEPP Windows interface, model and data (28.5mb)

  • WEPP Model Version 2012.8
  • Windows Interface
  • CLIGEN version 4.3 and 5.3 with climate data for 2600 US stations.
  • WEPP soil archives for US with data for about 20000 WEPP soils.
  • Sample crops, operations, managements
  • Forest landuse management files.
  • Compatible with GeoWEPP.

Click here to download WEPP Version 2012.8

After downloading double-click on the wepp2012install.exe file to begin the installation. 

Previous Version - January 28, 2010 - WEPP Windows interface, model and data (23.5mb)

  • WEPP Model Version 2010.1 (January 2010)
  • Windows Interface (January 2010)
  • CLIGEN version 4.3 and 5.3 with climate data for 2600 US stations.
  • WEPP soil archives for US with data for about 20000 WEPP soils.
  • Sample crops, operations, managements
  • Forest landuse management files.
  • Compatible with GeoWEPP.

Click here to download WEPP Version 2010.1

After downloading double-click on the weppwin01-28-2010.exe file to begin the installation. 

Older Version December 15, 2008 - WEPP Windows interface, model and data (25.7mb)

  • WEPP Model Version 2008.907  (September 2008)
  • Windows Interface (December 2008)
  • CLIGEN version 4.3 and 5.3 with climate data for 2600 US stations.
  • WEPP soil archives for US with data for about 20000 WEPP soils.
  • Sample crops, operations, managements
  • Forest landuse management files.
  • Compatible with GeoWEPP.

Click here to download WEPP Version 2008.907

After downloading double-click on the weppwin12-15-2008.exe file to begin the installation. 

This download was updated on December 15, 2008 to correct a problem with using custom climates in the WEPP Windows interface. Previous interface version from October 2008 is here

Older Version May 25, 2006 - WEPP Windows interface, model and data (25.7mb)

  • WEPP Model Version 2006.5  (May 2006)
  • Windows Interface (May 2006)
  • CLIGEN version 4.3 and 5.22564 with climate data for 2600 US stations.
  • WEPP soil archives for US with data for about 20000 WEPP soils.
  • Sample crops, operations, managements
  • Forest landuse management files.
  • Compatible with GeoWEPP.

The download was updated on September 5, 2006 to correct a problem with the uninstaller.
The download was updated on September 8, 2006 to correct a value in the 'GeoWEPP/Low Severity Fire-sandy loam' soil file.

Click here to download Version WEPP 2006.5

After downloading double-click on the weppwin09-2006.exe file to begin the installation. 

The WEPP model, Windows Interface and data require about 50mb of free disk space to install. 

The WEPP Windows interface requires Microsoft Windows 95/98/Me/NT/2000/XP/Vista/Windows7.  



Last Modified: 10/3/2012
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