Search datasets
-
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States....
Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: November 03, 2026 at 04:22 PM -
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 Bay non-tidal network (NTN).
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 09:56 PM -
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 practices (BMP) in 2014 in...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 08:35 PM -
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 to existing...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 09:22 PM -
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 (Blue Ridge Parkway)...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:22 PM -
Geologic structure and isopach maps were constructed by interpreting over 19.890 trackline kilometers of co-located multichannel boomer, sparker and chirp seismic reflection profiles from the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:56 PM -
This metadata record documents 3 sets of comma delimited tables representing the amount of reported best management practice (BMP) implementation within the Chesapeake Bay watershed as well as...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:23 PM -
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 combination of remote...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 03, 2026 at 03:18 AM -
These data were automated to provide an accurate high-resolution historical shoreline of James River, VA suitable as a geographic information system (GIS) data layer. These data are derived...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 02, 2026 at 04:51 PM -
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 is July-October.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:30 PM -
Land-use estimates of agricultural and developed land for the period 1985-2012 for selected Chesapeake Bay watersheds.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:11 PM -
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 are presented as the sum from...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:49 PM -
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, reduces pollution to...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 03, 2026 at 02:37 AM -
Alkenone samples collected during September 2023 from the Farm Road, Rushmere and Pipsico localities on the James River in SE Virginia.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:31 PM -
This metadata record documents a comma-delimited table representing scenario output from the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The annual effect of best management practices...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:24 PM -
These data were automated to provide an accurate high-resolution historical shoreline of James River, Virginia suitable as a geographic information system (GIS) data layer. These data are...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 04:24 PM -
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 and from manure...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:32 PM -
Salt marshes provide a range of ecosystem services, including storm protection, recreation, and commercial fishery habitat provision. The National Park Service (NPS) aims to preserve and protect...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:58 PM -
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 network (NTN).
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:49 PM -
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 are presented as the sum from...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:52 PM
