HEC-GeoDozer

HEC-HMS
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HEC-GeoHMS
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HEC-GeoDozer

Support Policy

HEC-GeoDozer is an extension for use with ArcGIS, a general purpose Geographic Information System software program developed and copyrighted by the Environmental Systems Research Institute, Inc., (ESRI) Redlands, CA. The HEC-GeoDozer extension was developed to support the Hydrologic Engineering Center's Geospatial Hydrologic Modeling Extension (HEC-GeoHMS) by providing tools for editing terrain data. These tools can be used to mosaic multiple terrain tiles into one continuous Digital Elevation Model (DEM) and to reproject the DEM to the required coordinate system. Additional tools available from the HEC-GeoDozer toolbar can be used to process the DEM to show the stream network. This GIS derived stream network can then be compared to published information for verification. If needed, tools are available from the HEC-GeoDozer toolbar for modifying the DEM to correct the stream network. Once corrected, the DEM can be used by HEC-GeoHMS to develop detailed subbasin boundaries and input files for Hydrologic Engineering Center's Hydrologic Modeling System (HEC-HMS).