• Organization: U.S. Environmental Protection Agency
• Updated: 2020-06-02T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in Puerto Rico and the US Virgin Islands that is classified as tree canopy using the...

• Organization: Department of the Interior
• Updated: 2021-09-01T00:00:00Z

The USGS Digital Elevation Model (DEM) data files are digital representations of cartographic information in a raster form. DEMs consist of a sampled array of elevations for a number of ground...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-08-04T00:00:00.000+00:00

This EnviroAtlas dataset is a digital hydrologic unit (HUC) boundary layer to the Subwatershed (12-digit) 6th level for Puerto Rico, based on the May 2016 NHDPlus V2.1 WBD (Watershed Boundary...

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-08-04T00:00:00.000+00:00

This EnviroAtlas dataset is a digital hydrologic unit (HUC) boundary layer to the Subwatershed (12-digit) 6th level for Puerto Rico, based on the May 2016 NHDPlus V2.1 WBD (Watershed Boundary...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-12-27T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as forest (excluding wetlands), forest including woody wetlands, and natural land cover that occurs within 45...

• Organization: U.S. Environmental Protection Agency
• Updated: 2021-11-16T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, and developed land cover using the 2019 National Land Cover Dataset...

• Organization: U.S. Environmental Protection Agency
• Updated: 2020-01-23T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in the conterminous United States (CONUS) that is classified as tree canopy using...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-12-27T00:00:00.000+00:00

This EnviroAtlas dataset consists of the 2010 Puerto Rico and 2012 U.S. Virgin Islands C-CAP (Coastal Change Analysis Program) rasters, modified for use in EnviroAtlas. The original C-CAP rasters...

• Organization: U.S. Environmental Protection Agency
• Updated: 2020-09-16T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as tree canopy cover using the National Land Cover Database 2016 USFS Tree Canopy Cover dataset for each 12-digit...

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-07-31T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as natural, forest, wetland, agricultural, natural, and developed land cover using the EnviroAtlas version of the...

• Organization: Department of the Interior
• Updated: 2020-09-08T00:00:00Z

VS30, the time-averaged shear-wave velocity (VS) to a depth of 30 meters, is a key index adopted by the earthquake engineering community to account for seismic site conditions. VS30 is typically...

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• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2021-03-10T00:00:00.000+00:00

This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap Analysis Program (GAP) or...

• Organization: U.S. Environmental Protection Agency
• Updated: 2015-02-02T00:00:00.000+00:00

This EnviroAtlas dataset is a digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the conterminous United States, based on the January 6, 2015 NHDPlus V2 WBD...

• Organization: U.S. Environmental Protection Agency
• Updated: 2020-10-01T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as tree canopy cover using the National Land Cover Database 2016 USFS Tree Canopy Cover dataset for each 12-digit...

• Organization: U.S. Environmental Protection Agency
• Updated: 2022-05-04T00:00:00.000+00:00

This EnviroAtlas dataset represents the percentage of land area that is classified as forest, forest including woody wetlands, and natural land cover that occurs within 45 meters of streams,...

• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

Nonstationary streamflow due to environmental and human-induced causes can affect water quality over time, yet these effects are poorly accounted for in water-quality trend models. This data...

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• xml

• Organization: Department of the Interior
• Updated: 2020-08-14T00:00:00Z

Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional source of water that may offer...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-08-14T00:00:00Z

Brackish groundwater (BGW), defined for this assessment as having a dissolved-solids concentration between 1,000 and 10,000 milligrams per liter is an unconventional source of water that may offer...

• xml
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2025-07-23

This EnviroAtlas dataset contains projected change in 30-year normals in maximum temperature, minimum temperature, evapotranspiration, and precipitation, for Alaska, Hawaii, Puerto Rico, the U.S....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-04-03T00:00:00.000+00:00

This file contains a list of geodetic bench marks, identified by a Permanent Identifier (PID), each of which have a precise orthometric height determined by geodetic leveling, a precise ellipsoid...

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