250 datasets found
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Federal
Potential contaminant sources and other landscape variables summarized for NHDPlus Version 2.1 catchments within the Chesapeake Bay Watershed (ver. 2.0, June 2021)
Department of the Interior —
This dataset consists of 262 variables which describe various known and suspected point and non-point sources of contaminants and endocrine disrupting compounds... -
State
MD iMAP: Maryland Chesapeake Bay Dead Zones - Chesapeake Bay Dead Zones
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This dataset contains areas in the Chesapeake Bay with low amounts of oxygen.... -
Federal
U.S. Geological Survey calculated median of wave-current bottom shear stress in the South Atlantic Bight from May 2010 to May 2011 (SAB_median, polygon shapefile, Geographic, WGS84)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
Federal
Data describing the effects of elastic leg-loop harnesses on adult and juvenile Common Terns
Department of the Interior —
These data describe the affects of elastic leg-loop harnesses on the reproductive success and behavior of adult Common Terns and the growth and behavior of juvenile... -
Federal
Chesapeake Bay non-tidal network shapefiles for selected watershed boundaries
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... -
State
MD iMAP: Maryland Hazard Reduction by Habitats
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. Each point in Coastal Resiliency Assessment Shoreline Points represents a 250... -
Federal
Digital Elevation Model (DEM) of Northern Atlantic Coastal Plain topography and bathymetry with a horizontal resolution of 100 feet and vertical resolution of 1 integer foot
Department of the Interior —
This digital elevation model (DEM) for the Northern Atlantic Coastal Plain (NACP) from Long Island New York to northeastern North Carolina represents the elevation of... -
Federal
Ship Trackline Along Which Continuous Resistivity Profile (CRP) Data was Collected in the Potomac River/Chesapeake Bay on Sept. 8, 2006 (RESGPSLNS_JD251.SHP)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Median of wave-current bottom shear stress in the Middle Atlantic Bight for May, 2010 - May, 2011 (MAB_median.SHP)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Special State Concern)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or... -
State
MDAg Agronomic
State of Maryland —
Annual implementation of agronomic BMPs in Maryland for 2010-2017, including Nutrient Management. Records available by county only. -
Federal
U.S. Geological Survey calculated percentage of time sediment is mobile for May 2010 to May 2011 at select points in the South Atlantic Bight (SAB_mobile_perc, point shapefile, Geographic, WGS84)
Department of the Interior —
The U.S. Geological Survey has been characterizing the regional variation in shear stress on the sea floor and sediment mobility through statistical descriptors. The... -
State
MD iMAP: Maryland Recreational Uses - Winter Sports
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These baseline recreational use data will inform planning efforts being... -
State
MD iMAP: Maryland Recreational Uses - Charter Transport
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland - through its Coastal Zone Management (CZM) Program - is... -
State
MD iMAP: Maryland Recreational Uses - Surface Water Sports
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland - through its Coastal Zone Management (CZM) Program - is... -
Federal
Ecosystem Services Benefits of Restoration BMPs in Chesapeake Bay
U.S. Environmental Protection Agency —
Data files provide the 1) baseline county values for each ecosystem service (County_Baseline_FEGS_Values.xlsx), 2) baseline county values for 2019 BMP implementation... -
State
MD iMAP: Maryland Watersheds - 8 Digit Watersheds
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSUB8) is a statewide digital watershed file. It depicts the... -
State
MD iMAP: Maryland Wetlands - Wetlands Linear (Special State Concern)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or... -
State
MD iMAP: Maryland Recreational Uses - Motorized Boating
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland - through its Coastal Zone Management (CZM) Program - is... -
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...
250 datasets found