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Found 1670 dataset(s) matching "National hydrography datasets".
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
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<p>The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
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This GeoJSON dataset contains information about 10780 waterfall and 1080 rapid locations (referred to as falls throughout the metadata) and characteristics (e.g. type and height) for the...
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This dataset contains the initial 3D Hydrography Program (3DHP) flow network topology, which is based on the final High Resolution National Hydrography Dataset (NHD), and a set of mainstem river...
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This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Watershed Boundary Dataset (WBD) released by USGS....
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The National Hydrography Dataset (NHD) High Resolution flowlines were used as a base to provide additional information on the connectivity of the stream network for the hydrographic basins in and...
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The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-mandated reductions are apportioned...
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This metadata record describes monthly estimates of natural baseflow for 15,866 stream reaches, defined by the National Hydrography Dataset Plus Version 2.0 (NHDPlusV2), in the Delaware River...
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This dataset provides estimates of residential septic tank densities at 12-digit Hydrologic Unit Code (HUC12), National Hydrography Dataset (NHD Plus version 2.1, 1:100k scale) catchment, and 2020...
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Flowlines - Large Scale.
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Waterbodies - Large Scale.
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Points.
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This child item contains estimated Self-Calibrated Palmer Drought Severity Index (scPDSI) values and ancillary information for the flowlines in the National Hydrography Dataset High Resolution...
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Point Events.
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Lines - Large Scale.
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This dataset provides numerical and categorical descriptions of 48 basin characteristics for 9,314 ungaged basins coinciding with 12-digit hydrologic unit code (HUC12) pour points that drain to...
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This USGS data release contains products that resulted from aquatic species distribution modeling in the United States on the National Hydrography Dataset Plus Version 2.1. Source data, supporting...
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Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Hydrography Dataset (NHD) Lines - Small Scale.
