114 datasets found
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Federal
6-m resolution grid of multibeam bathymetry in western Massachusetts Bay map Quadrangle 3 (Q3_BATHY6M)
Department of the Interior —
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea... -
Federal
H00178: NOS Hydrographic Survey
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Sample and video stations located in the Stellwagen Bank National Marine Sanctuary region (sbnmsallsta.shp)
Department of the Interior —
This data set contains point locations for data stations in the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts, an area of approximately... -
Federal
10-m resolution grid of multibeam bathymetry in Massachusetts Bay (MB_BATHY10M)
Department of the Interior —
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea... -
Federal
Video transects of the sea floor in the Stellwagen Bank National Marine Sanctuary region (sbnmsallvid.shp)
Department of the Interior —
This data set contains polylines showing extents of video transects documenting seabed characteristics in the Stellwagen Bank National Marine Sanctuary Region off... -
Federal
Shorelines used to calculate shoreline change statistics Boston coastal region from Carson Beach in South Boston to Weymouth River, including the Boston Harbor Islands (Boston_shorelines.shp)
Department of the Interior —
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline... -
Federal
Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate short-term (Linear Regression Rate) shoreline change statistics for the Boston coastal region from Carson Beach in South Boston to Weymouth River, including the Boston Harbor Islands (Boston_intersects_STlr.shp)
Department of the Interior —
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline... -
Federal
10-m interval contours of smoothed multibeam bathymetry of Massachusetts Bay (MB_10MCTR9X9.SHP, Geographic, NAD83)
Department of the Interior —
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea... -
Federal
1 meter resolution GeoTIFF image of the sidescan sonar backscatter imagery of Boston Harbor and Approaches (BH_1MBS.TIF, UTM 19, WGS84)
Department of the Interior —
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km... -
Federal
10-m backscatter mosaic produced from backscatter intensity data from sidescan sonar and multibeam datasets (BS_composite_10m.tif GeoTIFF Image; UTM, Zone 19N, WGS 84)
Department of the Interior —
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Federal
H00178A: NOS Hydrographic Survey
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 1 (Q1_BACKGS.TIF)
Department of the Interior —
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea... -
Federal
Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics for all data available in the Boston coastal region Carson Beach in South Boston to Weymouth River, including the Boston Harbor Islands (Boston_transects_rates_LTw.shp)
Department of the Interior —
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline... -
Federal
Digital Shoreline Analysis System version 4.3 transects and short-term (1970-2009) linear regression shoreline change statistics for the Boston coastal region from Carson Beach in South Boston to Weymouth River, including the Boston Harbor Islands (Boston_transects_rates_STlr.shp)
Department of the Interior —
Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline...
114 datasets found