43 datasets found
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Federal
Laboratory studies on the thermal biology of freshwater mussels and their host fish species
Department of the Interior —
Data are included for laboratory studies evaluating the thermal biology of several freshwater mussel species and their host fish including dwarf wedgemussel... -
Federal
Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014
Department of the Interior —
This metadata record documents 2 comma delimited tables representing output from the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The effect of best management... -
Federal
Depth to Quaternary regional unconformities offshore of the Delmarva Peninsula, including Maryland and Virginia state waters
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
Organic contaminants, including hormones, pesticides, pharmaceuticals and other endocrine disrupting compounds, and estrogenicity data in select surface water samples as well as organic contaminants in bed sediment samples collected in Chesapeake Bay watershed in parts of Maryland, Pennsylvania, and West Virginia, 2012-2018 (ver. 2.0, August 2020)
Department of the Interior —
These data represent surface water and bed sediment samples analyzed for a variety of organic compounds. The samples were collected in streams and rivers in the... -
Federal
Thickness of Quaternary seismic stratigraphic units offshore of the Delmarva Peninsula, including Maryland and Virginia state waters
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
Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds
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
Chesapeake Bay non-tidal network shapefiles for selected station locations
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
Seasonal precipitation for selected Chesapeake Bay watersheds
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
Static soils, climate, hydrologic, topographic, and geographic characteristics for selected Chesapeake Bay watersheds
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
Nitrogen and phosphorus from fertilizer and manure for selected Chesapeake Bay watersheds
Department of the Interior —
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer... -
Federal
Palmer Hydrological Drought Index (PHDI) values for selected Chesapeake Bay watersheds
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 impervious surface for selected Chesapeake Bay watersheds
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
Percent agricultural land enrolled in the Conservation Reserve Program for selected Chesapeake Bay watersheds
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
U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP)
Department of the Interior —
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic... -
Federal
Annual Winter-Spring Nitrogen Loading for the Susquehanna and Potomac Rivers, 1985 to 2016
Department of the Interior —
Stations Analyzed are 01578310 - SUSQUEHANNA RIVER AT CONOWINGO, MD and 01646580 - POTOMAC RIVER AT CHAIN BRIDGE NEAR WASHINGTON, DC Spring nitrogen loads as measured... -
Federal
Detrital Zircon U-Pb data from selected Appalachian rivers and Outer Banks-area coastal sediments
Department of the Interior —
U-Pb isotopic data from zircon grains from the sediment bedload of seven modern rivers: the Susquehanna, Potomac, Roanoke, James, Peedee, Tar, and Cape Fear, as well... -
Federal
Percent of land in agricultural production and developed for selected Chesapeake Bay watersheds
Department of the Interior —
Land-use estimates of agricultural and developed land for the period 1985-2012 for selected Chesapeake Bay watersheds. -
Federal
Subsurface Facies within the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York
Department of the Interior —
The U.S. Geological Survey (USGS) is providing a polygon feature class delineating and describing the subsurface facies within the Binghamton East 1:24,000 quadrangle... -
Federal
Digital datasets for the hydrogeology of the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood, New York
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the New York State Department of Environmental Conservation (NYSDEC), collected and compiled well records to... -
Federal
Geospatial Records of Selected Wells for the Detailed Aquifer Mapping in the Susquehanna River Valley in South-Central Broome County, Towns of Conklin and Kirkwood
Department of the Interior —
The U.S. Geological Survey (USGS) is providing a point feature class containing a compilation of geologic well records (n=221) obtained from: 1) previous U.S....
43 datasets found