The TR-20 computer model has been completely rewritten.
Input is now entered through a windows-based input editor. The first
official windows version (including programs, sample data, and documentation) is
now complete. The NRCS WinTR-20 program can be downloaded from this page.
The WinTR-20 development team has appreciated all the testing and comments we
have received to date. If you encounter any problems, or have comments on
the version 1.00 computer program or enhancements to suggest please contact the
WinTR-20 development team via e-mail to:
WinTR-20 Team.
Download WinTR-20
WinTR-20, Version 1.00, (16.8 MB - last updated 1/2005).
WinTR-20 Support Materials
(Other than Readme, these files require
Microsoft Word.)
WinTR-20
Readme file
Latest version of the
WinTR-20 User Documentation
(3.4 MB)
Latest version of the
WinTR-20 User Guide
(6.7 MB)
References on
Time of Concentration
with Respect to Sheet Flow (59 kb)
WinTR-20 Training Materials
(These files require
Microsoft Powerpoint
and, the 2nd, a zip utility.)
Download the
WinTR-20 Tutorial (8.42 MB)
Download the
Training Presentations
(483 kb zipped format)
The Natural Resources Conservation Service used government
funds to develop the Technical Release 20 (WinTR-20) computer program. It may be
downloaded for use and copying at no additional expense or license requirements. |