-
Federal
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Department of the Interior —
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake... -
Federal
Data to support water quality modeling efforts in the Delaware River Basin: 2) River and Reservoir Observations
Department of the Interior —
This data release contains information to support water quality modeling in the Delaware River Basin (DRB). These data support both process-based and machine learning... -
Federal
Cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected at eleven large river sites throughout the United States, June through October 2018
Department of the Interior —
This U.S. Geological Survey (USGS) data release provides discretely measured cyanotoxin, chlorophyll-a, and cyanobacterial toxin genetic data for samples collected... -
Federal
A Synthesis of Climate Change Vulnerability Assessment Rankings for Species of Greatest Conservation Need in the Northeast US from 2010-2023
Department of the Interior —
This dataset details individual species and natural habitat vulnerability rankings, including contextual study-specific information. This data was collected from... -
Federal
Borehole hydrogeologic-unit top-surface altitudes, aquifer hydraulic properties, and groundwater-sample chloride-concentration data from 1906 through 2016 for the Virginia Eastern Shore
Department of the Interior —
A hydrogeologic framework was developed by USGS during 2016-19 to describe the groundwater system on the Virginia Eastern Shore. This USGS data release contains text... -
Federal
Potomac River Watershed Accumulated Wastewater Ratios and Predicted Environmental Concentrations
Department of the Interior —
Treated effluent from wastewater treatment plants (WWTPs) contains contaminants not fully removed during the treatment process and that may pose environmental health... -
Federal
Point-Source Nutrient Loads to Streams of the Conterminous United States, 2012
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
Coastal Change Likelihood in the U.S. Northeast Region: Maine to Virginia - Perpetual Hazards
Department of the Interior —
Coastal resources are increasingly impacted by erosion, extreme weather events, sea-level rise, tidal flooding, and other potential hazards related to climate change.... -
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
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 Nontidal Network 1985-2020: Annual loads (ver. 2.0, January 2023)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
The State Geologic Map Compilation (SGMC) Geodatabase of the Conterminous United States
Department of the Interior —
The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States (https://doi.org/10.5066/F7WH2N65) represents a seamless, spatial database of... -
Federal
Digital Shoreline Analysis System version 4.1 Transects with Short-Term Rate Calculations for the Delmarva North region from Cape Henlopen, Delaware to the southern end of Assateague Island, Virginia (DelmarvaN_ST.shp)
Department of the Interior —
Sandy ocean beaches are a popular recreational destination, often surrounded by communities containing valuable real estate. Development is on the rise despite the... -
Federal
R code that determines buying and selling of water by public-supply water service areas
Department of the Interior —
This child item describes R code used to determine whether public-supply water systems buy water, sell water, both buy and sell water, or are neutral (meaning the... -
Federal
Estuarine vegetated wetland change scenarios for estuaries in the conterminous United States, 1996–2019
Department of the Interior —
This data release contains land cover-derived statistics regarding estuarine vegetated wetland area change within estuary drainage areas along the conterminous U.S.... -
Federal
Monocacy National Battlefield Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the... -
Federal
Hampton National Historic Site Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the... -
Federal
Field-measured channel incision characteristics in Clarksburg, MD
Department of the Interior —
This dataset describes qualitative stream channel characteristics indicative of incision in three headwater streams in the Piedmont physiographic region of Maryland.... -
Federal
Detrital Zircon U-Pb and Hf isotope data from selected Appalachian rivers
Department of the Interior —
This data release contains zircon U-Pb (n=1467) and Hf (n=332) data for five modern rivers (Connecticut, Susquehanna, Roanoke, Peedee, and Chattahoochee) draining the... -
Federal
Discharge measurements, air temperature, water temperature, and gage height data for select stream monitoring locations across Delmarva Peninsula (2022)
Department of the Interior —
As part of a larger study examining stream conditions and the effect of Best Management Practices in the Chesapeake Bay watershed, thirty small streams on the...