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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Types: Citation; Tags: McLean County, geographic information systems, National Hydrography Dataset (NHD), watersheds, geoscientific, All tags...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Types: Citation; Tags: geographic information systems, National Hydrography Dataset (NHD), watersheds, geoscientific, geospatial analysis, All tags...
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Level 2 of the Global Lakes and Wetlands Database (GLWD) comprises the shoreline polygons of permanent open water bodies (lakes, reservoirs, and rivers) with a surface area >= 0.1 square km, excluding the water bodies contained in GLWD-1.
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A joint venture involving the National Atlas programs in Canada (Natural Resources Canada), Mexico (Instituto Nacional de Estadística Geografía e Informática), and the United States (U.S. Geological Survey), as well as the North American Commission for Environmental Co-operation, has led to the release (June 2004) of several new products: an updated paper map of North America, and its associated geospatial data sets and their metadata. These data sets are available online from each of the partner countries both for visualization and download. The North American Atlas data are standardized geospatial data sets at 1:10,000,000 scale. A variety of basic data layers (e.g. roads, railroads, populated places, political...


map background search result map search result map Playas of the world (1:10,000,000 scale) Global Lakes and Wetlands Database - Level 2 (small lakes and reservoirs, rivers) USGS Small-scale Dataset - North American Atlas - Hydrography 200406 ArcExport USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for HU4-0203 (Subregion) Publication Date 20170608 HU-4 Subregion USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for HU4-0901 (Subregion) Publication Date 20170907 HU-4 Subregion USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for HU4-0203 (Subregion) Publication Date 20170608 HU-4 Subregion USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for HU4-0901 (Subregion) Publication Date 20170907 HU-4 Subregion USGS Small-scale Dataset - North American Atlas - Hydrography 200406 ArcExport Playas of the world (1:10,000,000 scale) Global Lakes and Wetlands Database - Level 2 (small lakes and reservoirs, rivers)