189 datasets found for "National Atlas"
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Federal
EnviroAtlas - 303(d) Impairments by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset depicts the total length of stream or river flowlines that have impairments submitted to the EPA by states under section 303(d) of the Clean... -
Federal
EnviroAtlas - Selected National Air Toxics Assessment Results by Census Tract - 2014
U.S. Environmental Protection Agency —
These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 U.S. Census... -
Federal
EnviroAtlas - Farm Service Land Rental Rates by County for the United States
U.S. Environmental Protection Agency —
This EnviroAtlas data set depicts estimates for mean cash rent paid for land by farmers, sorted by county for irrigated cropland, non-irrigated cropland, and pasture... -
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
EnviroAtlas - Migratory Bird Hunting Recreation Demand by 12-Digit HUC in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the total number of recreational days per year demanded by people ages 18 and over for migratory bird hunting by location in the... -
Federal
EnviroAtlas -- Phoenix, AZ -- Meter-Scale Urban Land Cover (MULC) Data (2010)
U.S. Environmental Protection Agency —
The EnviroAtlas Phoenix, AZ Meter-Scale Urban Land Cover (MULC) data and map were generated from USDA NAIP (National Agricultural Imagery Program) four band (red,... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
EnviroAtlas - Average Annual Soil Loss (Scaled) - Existing Land Use / Land Cover Scenario for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual soil loss from each pixel in metric tons per hectare*10,000 for the conterminous United States for 2011... -
Federal
EnviroAtlas - 2019 Percent Impervious Cover by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in the conterminous United State that is impervious to... -
Federal
EnviroAtlas - 2019 Land Cover Proportions by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, and developed land cover using the 2019... -
Federal
EnviroAtlas - 2015 EPA Discharge Monitoring Report Watershed Statistics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes a number of Discharge Monitoring Report (DMR) metrics summarized by watershed for a given year (https://echo.epa.gov/help/loading-... -
Federal
EnviroAtlas - Agricultural Water Demand by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
The national agricultural water demand metric provides insight into the amount of water used for agricultural irrigation in the contiguous United States. The... -
Federal
TRI National Analysis: Mapping Data for the Toxics Release Inventory Releases at Various Geographic Levels
U.S. Environmental Protection Agency —
These data provide mapping, display, and analysis capabilities for the TRI National Analysis data at the following geographic levels: state, county, large aquatic... -
Federal
EnviroAtlas - National Biodiversity Ecosystem Services Metrics by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains species richness metrics based on habitat models generated by the U.S. Geological Survey (USGS) National Gap Analysis Project (GAP).... -
Federal
EnviroAtlas - Watershed Index Online Hydrologically Connected Zone Mask for the Conterminous United States
U.S. Environmental Protection Agency —
The Hydrologically Connected Zone (HCZ) Mask was determined using grid analysis to combine surface water features in the United States from three datasets: First, the... -
Federal
EnviroAtlas - Percent Agriculture on Hydric Soil for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains data on Agricultural Land Coverage on Hydric Soils for each Watershed Boundary Dataset (WBD) 12-Digit Hydrologic Unit Code (HUC-12)... -
Federal
EnviroAtlas -- Portland, OR -- Meter-Scale Urban Land Cover (MULC) Data (2012)
U.S. Environmental Protection Agency —
The EnviroAtlas Portland, OR Meter-Scale Urban Land Cover (MULC) dataset includes data for the Portland metropolitan area plus the city of Vancouver, Washington and... -
Federal
EnviroAtlas - Public outdoor recreation areas availability and accessibility for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas map estimates the accessibility and availability of public outdoor recreational areas (e.g., urban parks, national forests) within 800m along... -
Federal
EnviroAtlas - Probabilistic Estimates of the Distribution of Near-surface (within 1m) Permafrost in Alaska
U.S. Environmental Protection Agency —
This dataset was created by USGS and is being hosted by US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas... -
Federal
Estimated floodplain map for the conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain...
189 datasets found for "National Atlas"