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Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping - 2020 ...
U.S. Geological Survey (USGS) and Virginia Institute of Marine Science (VIMS) scientists conducted field data collection efforts during June 11th - 16th, 2020, using a... -
Seasonal precipitation for selected Chesapeake Bay watersheds
This dataset provides estimates of annual and seasonal precipitation for selected Chesapeake Bay watersheds. Season 1 is November-February; season 2 is March-June; and season 3... -
Best management practice implementation in the Chesapeake Bay watershed from ...
This metadata record documents 3 sets of comma delimited tables representing the amount of reported best management practice (BMP) implementation within the Chesapeake Bay... -
Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping
The Chesapeake Bay Estuary is the largest estuary in the United States and provides habitats for diverse wildlife and aquatic species, protects communities against flooding,... -
Percent agricultural land enrolled in the Conservation Reserve Program for se...
These data report the percent of agricultural land, within each selected Chesapeake Bay watershed, that is enrolled in the Conservation Reserve Program (CRP), based on county-... -
Reservoir storage for selected Chesapeake Bay watersheds
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 slightly-modified... -
Chesapeake Bay Region Virginia River Bluff and Wetland Extent Mapping - 2018 ...
U.S. Geological Survey (USGS) and Virginia Institute of Marine Science (VIMS) scientists conducted field data collection efforts during the week of April 8th - 14th, 2018, using... -
Nitrogen and phosphorus from fertilizer and manure for selected Chesapeake Ba...
This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications... -
Percent of land in agricultural production and developed for selected Chesape...
Land-use estimates of agricultural and developed land for the period 1985-2012 for selected Chesapeake Bay watersheds. -
Percent impervious surface for selected Chesapeake Bay watersheds
This dataset contains watershed means of estimated percent impervious surfaces for three time periods: 1992, 2002, and 2012. Estimates are based on coefficients derived from... -
Shapefiles of hydrogeologic unit extents and top-surface altitude contours us...
A revision to the hydrogeologic framework of the Virginia coastal plain southwest of the James River was developed by USGS during 2019-2021. This revision includes modifications... -
Best management practice implementation in the Chesapeake Bay watershed from ...
This metadata record documents 11 comma delimited tables representing the amount of reported best management practice (BMP) implementation for the years from 1985 to 2014 at... -
Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia ...
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, from BLRI... -
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries
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 Chesapeake... -
Percent of land in agricultural production and developed for selected Chesape...
Land-use estimates of agricultural and developed land for the period 1985-2012 for selected Chesapeake Bay watersheds. -
Annual spring nitrogen fluxes for nine Chesapeake Bay tributary monitoring si...
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 presented from... -
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries
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 Chesapeake... -
Shapefiles of hydrogeologic unit extents and top-surface altitude contours us...
A revision to the hydrogeologic framework of the Virginia coastal plain southwest of the James River was developed by USGS during 2019-2021. This revision includes modifications... -
Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia
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, from BLRI... -
Implementation of conservation tillage and cover crops in the Chesapeake Bay ...
Conservation tillage practices and cover crops are used throughout the Chesapeake Bay watershed to reduce soil loss and improve water quality. Implementation of these Best...