2,551 datasets found for "Hydrologic Units"
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Federal
Central Valley Hydrologic Model version 2 (CVHM2): Model Discretization
Department of the Interior —
The updated Central Valley Hydrologic Model (CVHM2) is similar to the original Central Valley Hydrologic Model (CVHM) in terms of the basic units of model... -
Federal
Map Layer: Advanced Hydrologic Prediction Service (AHPS) River Gauge Current and Forecast Flood Stages
National Oceanic and Atmospheric Administration, Department of Commerce —
This layer shows the locations of the United States Geological Survey sampling stations that are equipped with telemetry to transmit data on streamflow, temperature,... -
Federal
Essential Fish Habitat, Pacific Salmon GIS Data
National Oceanic and Atmospheric Administration, Department of Commerce —
This file represents salmonid freshwater and estuarine Essential Fish Habitat (EFH) in the western United States. Congress, through the Magnuson-Stevens Act, defined... -
Federal
LANID: Landsat-based irrigation dataset for CONUS 2018-20
Department of the Interior —
This data release provides a monthly irrigation water use reanalysis for the period 2000-20 for all U.S. Geological Survey (USGS) Watershed Boundary Dataset of... -
Federal
NOAA Next Generation Radar (NEXRAD) Level 3 Products
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset consists of Level 3 weather radar products collected from Next-Generation Radar (NEXRAD) stations located in the contiguous United States, Alaska,... -
Federal
Level IV Ecoregions of EPA Region 1
U.S. Environmental Protection Agency —
Ecoregions by EPA region were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality,... -
Federal
Datasets managed by the NSF Arctic Data Center and archived at the NOAA National Centers for Environmental Information
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Science Foundation (NSF) Arctic Data Center (ADC) preserves and provides access to multi-disciplinary NSF-funded global cryosphere-land-ocean-atmosphere... -
Federal
National Wild and Scenic River Lines (Feature Layer)
Department of Agriculture —
This polyline feature class depicts the river corridors of each Wild and Scenic River designated by Congress or the Secretary of the Interior for the United States... -
Federal
National Riparian Area Base Map
Department of Agriculture —
This imagery layer shows national riparian areas for the conterminous United States. Riparian areas are an important natural resource with high biological diversity.... -
Federal
Hydrologic Data Sites for Iron County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Iron County, Utah. The scope and purpose of... -
Federal
Hydrologic Data Sites for Millard County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Millard County, Utah. The scope and purpose... -
Federal
Water-balance subregions (WBSs), soil types, and virtual crops for the five land-use time-frames used in the Central Valley Hydrologic Model (CVHM)
Department of the Interior —
This digital dataset defines the model grid, water-balance subregions (WBSs), soil types, and virtual crops for the five land-use time-frames in the transient... -
Federal
Digital map of the elevation of the base of the High Plains Aquifer in the Republican River Basin upstream of Hardy, Nebraska, in parts of Nebraska, Kansas, and Colorado
Department of the Interior —
This digital spatial data set consists of the aquifer base elevation contours (50-foot contour interval) for part of the High Plains aquifer in the central United... -
Federal
Indian Wells Valley, California, sub-watersheds for the Basin Characterization Model
Department of the Interior —
This data Set includes: 1) A shapefile of the Indian Wells Valley sub watersheds containing 9 sub-watersheds, 2) Geology shapefile of all the watersheds 3) Vegetation... -
Federal
Level III Ecoregions of EPA Region 3
U.S. Environmental Protection Agency —
Ecoregions by EPA region were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality,... -
Federal
EnviroAtlas - 2011 Land Cover, Impervious Surface, and Riparian Land Cover Proportions by County for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents land cover across a county and in riparian areas for each county in the conterminous United States for use in the Compare my Area... -
Federal
Watershed Boundary Dataset; 12-Digit Watersheds Dissolved to 8-Digit Watersheds
Department of the Interior —
This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be... -
Federal
U.S. Geological Survey - Gap Analysis Project Species Habitat Maps CONUS_2001 NGDA
Department of the Interior —
Gap Analysis Project (GAP) habitat maps are predictions of the spatial distribution of suitable environmental and land cover conditions within the United States for... -
Federal
EnviroAtlas - Cultivated biological nitrogen fixation in agricultural lands by 12-digit HUC in the Conterminous United States, 2006
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on the mean cultivated biological nitrogen fixation (C-BNF) in cultivated crop and hay/pasture lands per 12-digit Hydrologic... -
Federal
Level IV Ecoregions of Montana
U.S. Environmental Protection Agency —
Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and...
2,551 datasets found for "Hydrologic Units"