727 datasets found
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Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
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... -
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
ATTAINS Assessments
U.S. Environmental Protection Agency —
State water quality assessment decisions reported to EPA under the Integrated Report (IR), and Clean Water Act Sections 303(d) and 305(b). This service provides... -
Federal
Datasets for Spatial and Temporal Variations of Estuarine Stratification and Flushing Time across the Continental U.S.
U.S. Environmental Protection Agency —
These datasets provide the raw and preprocessed data required to calculate estuarine stratification indices and estimates of flushing time for estuaries across the... -
Federal
Landsat surface temperature
U.S. Environmental Protection Agency —
Relatively cloud-free Landsat scenes within ±3 days of coincident in situ measures were retained for validation across the CONUS. The Landsat surface temperature data... -
Federal
National Estuarine Research Reserve System - NERRS - Meteorological Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Meteorological data provide information on atmospheric conditions that can affect water quality and biological and physical processes. Core elements currently... -
Federal
Shallow benthic habitats of San Francisco Bay, California CMECS geoform component
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset has been developed for the National Oceanic and Atmospheric Administration's (NOAA) Office for Coastal Management (OCM) as a collaborative and... -
Federal
Unvegetated to vegetated ratio of marsh units in Chesapeake Bay salt marshes
Department of the Interior —
This data release contains coastal wetland synthesis products for Chesapeake Bay. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh... -
Federal
Hydrologic Data Sites for Davis County, Utah
Department of the Interior —
This map shows the USGS (United States Geologic Survey), NWIS (National Water Inventory System) Hydrologic Data Sites for Davis County, Utah. The scope and purpose of... -
Federal
1995 - 2007 Ecosystem History of South Florida's Estuaries Database
Department of the Interior —
The 1995 - 2007 Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), modern monitoring site survey information... -
State
305b Assessed 2006 Estuary
State of Connecticut —
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
Federal
Grasslight_Data
U.S. Environmental Protection Agency —
Grasslight model simulations. This dataset is associated with the following publication: Lebrasse, M., B. Schaeffer, R. Zimmerman, V. Hill, M. Coffer, P. Whitman, W.... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListRiverStreamSegments_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
Federal
Elevation of marsh units in eastern Long Island salt marsh complex, New York (ver. 2.0, March 2024)
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks,... -
Federal
Rate of shoreline change of marsh units in north shore Long Island salt marsh complex, New York
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of north shore Long Island, New York. Metrics for resiliency, including... -
Federal
Rate of shoreline change of marsh units in Hudson Valley and New York City salt marsh complex, New York
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of Hudson Valley and New York City, New York. Metrics for resiliency,... -
Federal
Low Marsh at St. Jones, DE, Lower Delaware Bay, Intermediate Sea Level Rise Scenario, “Protect Developed Dry Land” model protection scenario, EPA ORD NCEA
U.S. Environmental Protection Agency —
This raster GIS dataset contains 5-meter-resolution cells depicting the areas of LOW marsh gain (value=1), lost (value=-1) and remaining (no change; value=0). Low...
727 datasets found