31 datasets found
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Federal
Chesapeake Bay non-tidal network shapefiles for selected station locations recent views
Department of the Interior —
This metadata report documents a shapefile of 84 selected United States Geological Survey (USGS) water quality stations that are part of the Chesapeake Bay non-tidal... -
Federal
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries recent views
Department of the Interior —
This metadata report documents a shapefile of watershed boundaries for 84 selected United States Geological Survey (USGS) water quality stations that are part of the... -
Federal
Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia recent views
Department of the Interior —
The US Geological Survey, in cooperation with the National Park Service, mapped 35 7.5-minute quadrangles, within a 2-mile-wide+ corridor centered on the Parkway,... -
Federal
Seasonal precipitation for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset provides estimates of annual and seasonal precipitation for selected Chesapeake Bay watersheds. Season 1 is November-February; season 2 is March-June;... -
Federal
Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping recent views
Department of the Interior —
The Chesapeake Bay Estuary is the largest estuary in the United States and provides habitats for diverse wildlife and aquatic species, protects communities against... -
Federal
Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia with station point photographs recent views
Department of the Interior —
The US Geological Survey, in cooperation with the National Park Service, mapped 35 7.5-minute quadrangles, within a 2-mile-wide+ corridor centered on the Parkway,... -
Federal
Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds recent views
Department of the Interior —
The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge... -
Federal
Whole Rock Geochemistry and Uranium Lead Isotopic Data from the Dinwiddie Terrane, Virginia, USA recent views
Department of the Interior —
This data release includes whole rock geochemical data, and uranium-lead isotopic data collected by both Laser Ablation Inductively Coupled Plasma Mass Spectrometry... -
Federal
Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2024 recent views
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2024. Data... -
Federal
Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains values of soils, climate, hydrologic, topographic, and other geographic characteristics such as drainage area. These are considered "static"... -
Federal
Percent impervious surface for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains watershed means of estimated percent impervious surfaces for three time periods: 1992, 2002, and 2012. Estimates are based on coefficients... -
Federal
Implementation of conservation tillage and cover crops in the Chesapeake Bay watershed, 1985 to 2012 recent views
Department of the Interior —
Conservation tillage practices and cover crops are used throughout the Chesapeake Bay watershed to reduce soil loss and improve water quality. Implementation of these... -
Federal
Alkenone temperature estimates from the Miocene and Pliocene of SE Virginia, 2024 field work recent views
Department of the Interior —
Alkenone samples collected during September 2023 from the Farm Road, Rushmere and Pipsico localities on the James River in SE Virginia. -
Federal
Nitrogen flux estimates in support of Chesapeake Bay Hypoxia and Anoxia forecasts, 1985-2023 recent views
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes summed from nine tributaries to the Chesapeake Bay from 1985 to 2023. Data... -
Federal
Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains values of the Palmer Hydrological Drought Index (PHDI) for annual and seasonal periods from 1985-2012. Values are derived from data based on... -
Federal
Percent agricultural land enrolled in the Conservation Reserve Program for selected Chesapeake Bay watersheds recent views
Department of the Interior —
These data report the percent of agricultural land, within each selected Chesapeake Bay watershed, that is enrolled in the Conservation Reserve Program (CRP), based... -
Federal
Thickness of Quaternary seismic stratigraphic units offshore of the Delmarva Peninsula, including Maryland and Virginia state waters 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
Reservoir storage for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains values of normal reservoir storage in units of acre-feet per km2, for three time periods: 1992, 2002, and 2012. Values are derived from a... -
Federal
Annual spring nitrogen fluxes for nine Chesapeake Bay tributary monitoring sites, 1985 to 2020 recent views
Department of the Interior —
Data release includes the U.S. Geological Survey (USGS) estimate of spring nitrogen fluxes from nine tributaries to the Chesapeake Bay from 1985 to 2020. Data are... -
Federal
Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping - 2020 Field Survey Data recent views
Department of the Interior —
U.S. Geological Survey (USGS) and Virginia Institute of Marine Science (VIMS) scientists conducted field data collection efforts during June 11th - 16th, 2020, using...
31 datasets found