1,525 datasets found
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Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Runoff recent views
U.S. Environmental Protection Agency —
This dataset represents the estimated surface water runoff within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Agricultural Nitrogen Inputs recent views
U.S. Environmental Protection Agency —
This dataset represents the application of nitrogen within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based data published in EPA... -
Federal
PNG formatted images of EdgeTech SB-512i chirp seismic-reflection data collected in 2015 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA recent views
Department of the Interior —
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy in the fall of 2012. The... -
Federal
H04940: NOS Hydrographic Survey recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the Atlantic Coast - 2017 recent views
Department of the Interior —
Prior research has shown that sediment budgets, and therefore stability, of microtidal marsh complexes scale with areal unvegetated to vegetated marsh ratios (UVVR)... -
Federal
Point shapefile containing valid YSI 600 XLM multi-parameter sonde data (temperature, conductivity, and salinity) in Indian River Bay, Delaware, collected on U.S. Geological Survey Field Activity 2010-006-FA in April 2010 (YSI_MERGE.SHP, Geographic, WGS 84) recent views
Department of the Interior —
A geophysical survey to delineate the fresh-saline groundwater interface and associated sub-bottom sedimentary structures beneath Indian River Bay, Delaware, was... -
Federal
2020 Cartographic Boundary File (KML), Current Unified School District for Delaware, 1:500,000 recent views
U.S. Census Bureau, Department of Commerce —
The 2020 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically... -
Federal
Point-Source Nutrient Loads to Streams of the Conterminous United States, 2012 recent views
Department of the Interior —
The U.S. Geological Survey (USGS) developed a spatial water-quality model called SPAtially Referenced Regressions On Watershed attributes (SPARROW) to estimate the... -
Federal
Post-Hurricane Joaquin coastal oblique Aerial Photographs Collected from the South Carolina/North Carolina Border to Montauk Point, New York, October 7-9, 2015 recent views
Department of the Interior —
The U.S. Geological Survey (USGS) conducts baseline and storm-response photography missions to document and understand the changes in vulnerability of the Nation's... -
Federal
W00328: NOS Hydrographic Survey , 2014-07-01 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
2020 Cartographic Boundary File (SHP), Current State Legislative District-Upper Chamber for Delaware, 1:500,000 recent views
U.S. Census Bureau, Department of Commerce —
The 2020 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
2020 Cartographic Boundary File (SHP), Current Unified School District for Delaware, 1:500,000 recent views
U.S. Census Bureau, Department of Commerce —
The 2020 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
2020 Cartographic Boundary File (KML), Current Block Group for Delaware, 1:500,000 recent views
U.S. Census Bureau, Department of Commerce —
The 2020 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically... -
Federal
2022 Cartographic Boundary File (SHP), Current Unified School District for Delaware, 1:500,000 recent views
U.S. Census Bureau, Department of Commerce —
The 2022 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
SPARROW Model Inputs and Estimated Effects of Agricultural Conservation Practices on Total Nitrogen in Streams of the Chesapeake Bay Watershed recent views
Department of the Interior —
This data release contains input and output data tables from a SPAtially Referenced Regression On Watershed attributes (SPARROW) model, which estimated total nitrogen... -
Federal
Trackline navigation for EG&G Uniboom seismic-reflection data collected by the U.S. Geological Survey during field activities 1974-004-FA and 1975-003-FA offshore of the Delmarva Peninsula (polyline shapefiles) recent views
Department of the Interior —
Geologic structure and isopach maps were constructed by interpreting over 19,890 trackline kilometers of co-located multichannel boomer, sparker and chirp seismic... -
Federal
Chesapeake Bay Nontidal Network 1985-2018: WRTDS output data recent views
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the United States - 2015 recent views
Department of the Interior —
Prior research has shown that sediment budgets, and therefore stability, of microtidal marsh complexes scale with areal unvegetated to vegetated marsh ratios (UVVR)... -
Federal
Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in the conterminous United States recent views
Department of the Interior —
This data release is a compilation of six earlier reports on natural occurrences of asbestos in the conterminous United States, which were published separately; these... -
Federal
Statistical summaries of simulated groundwater residence times for the 10 regional aquifers of the Northern Atlantic Coastal Plain aquifer system, at a 1 square-mile grid resolution recent views
Department of the Interior —
Groundwater residence times were simulated for the major regional aquifers of the Northern Atlantic Coastal Plain aquifer system from New York to North Carolina using...
1,525 datasets found