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Long-term and short-term shoreline change rates for coastal region around...
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change... -
6-m resolution image of shaded relief multibeam bathymetry in western...
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 EM 1000... -
Defined Map Units of the seafloor of Boston Harbor and Approaches...
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches, Massachusetts.... -
10-m resolution image of shaded relief multibeam bathymetry in Massachusetts...
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 EM 1000... -
1-m interval contours of smoothed multibeam bathymetry in western...
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 EM 1000... -
10-m resolution gray-scale image of multibeam bathymetry in Massachusetts...
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 EM 1000... -
Digital Shoreline Analysis System version 4.3 shoreline intersection points...
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 and... -
30-m Hillshaded relief image produced from swath interferometric, multibeam,...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
USGS Collection of Sea Bottom Photographs from the Stellwagen Bank National...
The U.S. Geological Survey, in collaboration with the National Oceanic and Atmospheric Administration's (NOAA) National Marine Sanctuary Program, conducted seabed mapping and... -
Massachusetts Water Resources Administration Sediment Data for Boston Harbor...
The samples in this dataset were collected and analyzed under the direction of the Massachusetts Water Resources Administration. The data were generated to study the effects of... -
Location of bottom photographs from the Mini-SeaBOSS sampling system from...
This data set includes the locations and hotlinks to photographs of the seafloor in Boston Harbor and the harbor approaches, Massachusetts. The photos were taken using the mini-... -
Sample and video stations located in the Stellwagen Bank National Marine...
This data set contains point locations for data stations in the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts, an area of approximately 1100... -
Backscatter Imagery from Sidescan Sonar 5 meter/pixel of Boston Harbor and...
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan... -
5-m interval contours of smoothed multibeam bathymetry in western...
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 EM 1000... -
6-m resolution gray-scale image of shaded-relief multibeam bathymetry in...
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 EM 1000... -
Isochron of Holocene marine (Qmn and Qmd) sediment thickness on the...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
10-m resolution grid of multibeam bathymetry in Massachusetts Bay (MB_BATHY10M)
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 EM 1000... -
H00178: NOS Hydrographic Survey, ,
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
Intersects for the coastal region around Boston, Massachusetts, generated to...
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast and support local land-use... -
Airborne geophysical survey: Massachusetts Coop '68, Massachusetts
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,...