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BLM REA MBR 2010 National Hydrography Dataset Plus - NHDPlus Pt


The NHDPlus Version 1.0 is an integrated suite of application-ready geospatial data sets that incorporate many of the best features of the National Hydrography Dataset (NHD) and the National Elevation Dataset (NED). The NHDPlus includes a stream network (based on the 1:100,000-scale NHD), improved networking, naming, and "value-added attributes" (VAA's). NHDPlus also includes elevation-derived catchments (drainage areas) produced using a drainage enforcement technique first broadly applied in New England, and thus dubbed "The New-England Method". This technique involves "burning-in" the 1:100,000-scale NHD and when available building "walls" using the national Watershed Boundary Dataset (WBD). The resulting modified digital elevation [...]

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sourceSystem urn:x-esri:specification:ServiceType:ArcIMS:Metadata:DocID {2CF1238F-811A-4F76-B3B7-D53EB3CCF64E}

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