• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km square of sidescan sonar and bathymetric...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Standard deviation of depth was calculated from the bathymetry surface for each cell using the ArcGIS Spatial Analyst Focal Statistics "STD" parameter. Standard deviation of depth represents the...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Mean depth was calculated from the bathymetry surface for each cell using the ArcGIS Spatial Analyst Focal Statistics "Mean" parameter. Mean depth represents the average depth value (in meters)...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

This image represents a 2x2 meter resolution bathymetry surface of the moderate-depth portion of the NPS's Virgin Islands Coral Reef National Monument, south of St. John, US Virgin Islands. The...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Slope was calculated from the bathymetry surface for each raster cell using ArcGIS's Spatial Analyst 'Slope' Tool. Slope describes the maximum steepness of a terrain (in degrees) within a square...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Rugosity was calculated from the bathymetry surface for each cell using the "Rugosity" function in the Benthic Terrain Modeler toolbox (Jenness 2002, 2004; Wright et al., 2005). Rugosity is...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Plan curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Plan curvature describes the rate of change of curvature (perpendicular...

• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and Western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Slope of slope was calculated from the bathymetry surface for each raster cell by applying the ArcGIS Spatial Analyst 'Slope' Tool to a previously created slope raster. Slope of slope describes...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Curvature describes the rate of change of curvature (in 1/100 z units)...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Profile curvature was calculated from the bathymetry surface for each raster cell using the ArcGIS 3D Analyst "Curvature" Tool. Profile curvature describes the rate of change of curvature...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-01-01T00:00:00.000+00:00

Eight complexity surfaces (mean depth, standard deviation of depth, curvature, plan curvature, profile curvature, rugosity, slope, and slope of slope) were stacked and exported to create one image...

• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

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• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-03-18T00:00:00Z

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

• xml
• xml