87 datasets found
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Federal
Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches (bh_2mmbbath)
Department of the Interior —
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan... -
Federal
Location and grain-size analysis results of sediment samples collected in Nantucket Sound, Massachusetts, in May 2016 and May 2017 by the U.S. Geological Survey during field activities 2016-005-FA and 2017-022-FA (simplified point shapefile and CSV file)
Department of the Interior —
Two marine geological surveys were conducted in Nantucket Sound, Massachusetts, in May 2016 and May 2017 by the U.S. Geological Survey (USGS) as part of an agreement... -
Federal
10-m Bathymetry grid produced from lead-line and single-beam sonar soundings, swath interferometric, multibeam, and lidar datasets (bb_navd88_10m, Esri binary grid, UTM Zone 19N, WGS84)
Department of the Interior —
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of... -
Federal
Elevation of the late Wisconsinan to early Holocene regressive unconformity (Ur) beneath Vineyard and western Nantucket Sounds, Massachusetts (Esri binary grid; UTM, Zone 19N, WGS 84)
Department of the Interior —
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived... -
Federal
40-m Hillshaded relief image produced from elevation of the late-Wisconsinan regressive unconformity beneath Buzzards Bay, Massachusetts (GeoTIFF Image; UTM, Zone 19N, WGS 84)
Department of the Interior —
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of... -
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
Cape Cod Bay: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).
Department of the Interior —
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and... -
Federal
Physiographic Zones of the Sea Floor from Nahant to Northern Cape Cod Bay, Massachusetts (NAH_CCB_Pzones polygon shapefile, Geographic 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
Buzzards Bay: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).
Department of the Interior —
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and... -
Federal
Location of bottom video tracklines collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (polyline shapefile)
Department of the Interior —
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due... -
Federal
Interpretation of sea floor geologic units for Buzzards Bay, Massachusetts (BuzzardsBay_surfgeol, polygon shapefile; Geographic WGS 84)
Department of the Interior —
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of... -
Federal
Physiographic Zones of the Sea Floor from Nahant to Salisbury, Massachusetts (polygon shapefile, Geographic WGS 84, Nahant_NH_Pzones)
Department of the Interior —
These data are qualitatively derived interpretive polygon shapefiles defining sediment type and distribution, and physiographic zones of the sea floor from Nahant to... -
Federal
Vineyard and Nantucket Sounds, Southern coast of Cape Cod including Martha's Vineyard and Nantucket: Polygon boundaries for source data of a continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf: (Esri polygon shapefile, Geographic, NAD 83).
Department of the Interior —
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and... -
Federal
Sound velocity profile data from an AML Oceanographic MVP30 and Minos X collected in Cape Cod Bay, Massachusetts during USGS Field Activity 2019-002-FA (PNG images, SVP text, and point shapefile, GCS WGS 84)
Department of the Interior —
Accurate data and maps of sea floor geology are important first steps toward protecting fish habitat, delineating marine resources, and assessing environmental... -
Federal
1-m backscatter mosaic in Vineyard and western Nantucket Sounds produced from multiple sidescan-sonar datasets (GeoTIFF Image; UTM, Zone 19N, WGS 84)
Department of the Interior —
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived... -
Federal
Location and analysis of sediment samples collected during field activity 2012-035-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management in Ipswich Bay and Massachusetts Bay, Massachusetts, in August 2012 (point shapefile and CSV file)
Department of the Interior —
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due... -
Federal
Multichannel seismic-reflection and navigation data collected using an Applied Acoustics S-Boom and a Geometrics GeoEel digital 32-channel streamer during USGS field activity 2019-002-FA (point and polyline shapefiles, CSV text, PNG Images, and SEG-Y data, GCS WGS 84).
Department of the Interior —
Accurate data and maps of sea floor geology are important first steps toward protecting fish habitat, delineating marine resources, and assessing environmental... -
Federal
Survey lines of the video and photos from the mini-SEABOSS sampling system acquired in Boston Harbor and approaches (surveylines_vid)
Department of the Interior —
These data are the trackline from the seafloor photograph and video survey conducted September 2004 using the mini-SeaBOSS sampling system on the R/V Rafael in Boston... -
Federal
ArcInfo Grid of the 30 meter pixel Composite Bathymetry of Boston Harbor and Approaches (BH_30MBATH, UTM 19, WGS84)
Department of the Interior —
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km square of... -
Federal
RAW sound velocity profile data from a Minos X collected from outer Cape Cod, Massachusetts during USGS Field Activity 2021-004-FA (PNG images, SVP text, and point shapefile, GCS WGS 84)
Department of the Interior —
The U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center (WHCMSC) completed a bathymetric and shallow seismic-reflection survey during the...
87 datasets found