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WRAS is CCE compatible, but also runs on non-CCE machines. WRAS is written in Visual Basic 6.0, and requires Windows 95 or higher. Users are urged to become fully informed of all differences between the two models by reading the user manuals. Users should be aware that significant differences exist between HEC-RAS and WSP2 as to the way topography is represented by cross-sections. WRAS is a conversion program originally developed by NRCS to take existing WSP2 data sets and convert them in HEC-RAS format for import into HEC-RAS. PowerPoint developed for use with HEC-RAS 5.0 and newer:Īdvanced training materials: Streamflow Energy Streamflow Momentum Video shorts for various HEC-RAS operations (Web Link)
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Land use layers (NLCD 2016) for HEC-RAS 2D NRCS employees and conservation partners may contact the NRCS HEC-RAS Team with questions or to obtain further information. Please review the most recent NRCS User Guide for additional information. NRCS Empoyees: NRCS government computers require a CCE software package which may be obtained from IT support staff or the Software Center application.
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The program is well documented with user's and technical reference manuals available on both the website and application "Help" menu.
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Army Corps of Engineers Hydrologic Engineering Center website for full details and documentation on the HEC-RAS software. HEC-RAS Program Download and Documentation Users can also model bridge hydraulics inside of 2D Flow Areas and utilize HECRAS Mapper Editing Tools within RAS Mapper. Of particular note, version 6.0 can make use of spatially and temporally varied precipitation and infiltration in 2D Flow Areas, Storage Areas and between 1D cross sections. Version 6.0 corrects bugs from previous versions and includes several new features and upgrades. The major advantage of this program are Windows-based graphics for input and output, program technical and financial support at the Corps of Engineers Hydrologic Engineering Center, future enhancements expected, and its use by other government agencies and private engineers. Use of the NRCS program WSP2 has been phased out as NRCS engineers become trained and experienced with HEC-RAS. NRCS has adopted the Corps of Engineer's HEC-RAS (Hydrologic Engineering Center's River Analysis System) for computation of water surface profiles.