1,442 datasets found
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Federal
Environmental Monitoring and Assessment Program (EMAP)
U.S. Environmental Protection Agency —
The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to... -
Federal
Global Non-Floodplain Wetlands Africa
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting non-floodplain wetlands in a hydrobasin. This base dataset is a combination of three globally-available... -
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
Global Wetlands Africa
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting wetlands in a hydrobasin. This base dataset is a combination of three globally available datasets creating a... -
Federal
EnviroAtlas One Meter Resolution Urban Land Cover Data (2008-2012) Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas ). The EnviroAtlas One Meter-... -
Federal
National Estuarine Research Reserve System - NERRS - Water Quality Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Water quality observations made over long time periods can provide important feedback to scientists and to local, state, and national resource managers about actions... -
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
WetlandNNI: Quantification of hydrologic interception of nitrogen and phosphorus (National Nutrient Inventory) by conterminous U.S. wetlands (1987-2017)
U.S. Environmental Protection Agency —
Wetlands provide numerous critical functions, including nutrient cycling and water quality improvement, that have made them a critical component of many state and... -
Federal
National Wetland Condition Assessment 2021 Datafiles for Report “National Wetland Condition Assessment: The Third Collaborative Survey of Wetlands in the United States”
U.S. Environmental Protection Agency —
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide... -
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,... -
Wetland Inventory
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
Global Wetlands North America
U.S. Environmental Protection Agency —
This raster GIS dataset contains 30 meter cells depicting wetlands in a hydrobasin. This base dataset is a combination of three globally available datasets creating a... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Special State Concern)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or... -
Federal
EnviroAtlas -- Minneapolis/St. Paul, MN -- Meter-Scale Urban Land Cover (MULC) Data (2010)
U.S. Environmental Protection Agency —
The Minneapolis-St. Paul, MN EnviroAtlas Meter-scale Urban Land Cover (MULC) data were generated from four-band (red, green, blue, and near infrared) aerial... -
Federal
Using a vegetation index to assess wetland condition in the Prairie Pothole Region of North America
U.S. Environmental Protection Agency —
USGS-Generated Data that will be uploaded to and available in Science Base (https://www.sciencebase.gov/catalog/). This dataset is not publicly accessible because:... -
Federal
Wetland Program Pilot Grants
U.S. Environmental Protection Agency —
The Wetland Grant Database (WGD) houses grant data for Wetland Program Development Grants (created by EPA in 1990 under the Clean Water Act Section 104(b)(3)... -
Federal
NOAA Environmental Sensitivity Index (ESI) maps and geographic information systems data from 1900 to 2009
National Oceanic and Atmospheric Administration, Department of Commerce —
This collection comprises the Environmental Sensitivity Index (ESI) data for various regions in U.S. coastal waters. ESI data characterize estuarine environments and... -
Federal
Data on Aquatic Resources Tracking for Effective Regulation
U.S. Environmental Protection Agency —
DARTER is EPA's system to manage its workflow in the Clean Water Act Section 404 permit program. Section 404 requires a permit from the U.S. Army Corps of Engineers,... -
Federal
National Wetland Condition Assessment 2011 Datafiles for Report “National Wetland Condition Assessment 2011: A Collaborative Survey of the Nation’s Wetlands"
U.S. Environmental Protection Agency —
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide... -
Federal
Quantitative Assessment of Stream and River Physical Habitat Condition
U.S. Environmental Protection Agency —
The 4 resource surveys (coastal, rivers and streams, lakes and reservoirs, and wetlands) each have datasets covering the biological, chemical, physical habitat,...
1,442 datasets found