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10-m backscatter mosaic produced from backscatter intensity data from...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic (SS_MOS1M.TIF)
These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km2 of the inner shelf... -
Nahant to Gloucester, Massachusetts Swath Bathymetry of the South Essex...
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped... -
Physiographic Zones of the Sea Floor from Nahant to Salisbury, Massachusetts...
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury,... -
Nahant to Gloucester, Massachusetts Swath Bathymetry of the South Essex...
These data are high-resolution bathymetric soundings of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf were mapped... -
30-m Topography and bathymetry grid produced from swath interferometric,...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Nahant to Gloucester, Massachusetts Bathymetric Slope in degrees (slopedeg_fm3)
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and Marine Geology... -
Physiographic Zones of the Sea Floor from Nahant to Salisbury, Massachusetts...
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury,... -
Nahant to Gloucester, Massachusets Depth to Bedrock (bedrock_depth)
These data are high-resolution seismic reflection profile data of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 1,175 kms of seismic... -
Physiographic Zones of the Sea Floor from Nahant to Salisbury, Massachusetts...
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to Salisbury,... -
30-m Topography and bathymetry grid produced from swath interferometric,...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic (SS_MOS1M.TIF)
These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km2 of the inner shelf... -
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... -
Nahant to Gloucester, Massachusetts Maximum Likelihood Bottom Classification...
These data are high-resolution maximum likelihood classification of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf... -
Nahant to Gloucester, Massachusetts Maximum Likelihood Bottom Classification...
These data are high-resolution maximum likelihood classification of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf... -
Nahant to Gloucester, Massachusetts Maximum Likelihood Bottom Classification...
These data are high-resolution maximum likelihood classification of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km² of the inner shelf... -
Nahant to Gloucester, 1m resolution Sidescan Sonar Mosaic (SS_MOS1M.TIF)
These data are high-resolution acoustic backscatter measurements of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 127 km2 of the inner shelf... -
Nahant to Gloucester, Massachusets Depth to Bedrock (bedrock_depth)
These data are high-resolution seismic reflection profile data of the seafloor offshore of Massachusetts, from Nahant to Gloucester. Approximately 1,175 kms of seismic...