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Elevation of the late Wisconsinan to early Holocene regressive unconformity...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from... -
Chirp seismic reflection data- shotpoints, tracklines, profile images, and...
In June 2022, the U.S. Geological Survey, in collaboration with the Massachusetts Office of Coastal Zone Management, collected high-resolution geophysical data, in Nantucket... -
Chirp seismic reflection - shotpoints, tracklines, profile images, and SEG-Y...
The U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center (WHCMSC) completed a bathymetric and shallow seismic-reflection survey during the period of June... -
JPEG formatted images of EdgeTech SB-512i and SB-424 chirp...
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... -
Seismic Reflection, EdgeTech SB-424 Chirp profile images collected in the...
In September 2018, the U.S. Geological Survey, in collaboration with the U.S. Army Corps of Engineers, conducted high-resolution geophysical mapping and sediment sampling to... -
Hillshaded relief image derived from elevations of the late-Wisconsinan...
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Tracklines of chirp seismic-reflection data collected by the U.S. Geological...
In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic mapping to... -
Autonomous Surface Vehicle Sidescan-sonar mosaic from Cat Point Bar, St....
These data were collected under a cooperative mapping program between the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration Coastal Services... -
Elevation of the top of glacial deposits beneath Buzzards Bay, Massachusetts...
Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-... -
Autonomous Surface Vehicle Sidescan-sonar mosaic from North Spur,...
These data were collected under a cooperative mapping program between the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration Coastal Services... -
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... -
Survey lines along which EdgeTech SB-512i, EdgeTech SB-424, and Knudsen 3200...
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... -
Chirp seismic reflection and navigation data collected in Chesapeake Bay...
In July 2022, the U.S. Geological Survey (USGS) and the University of Maryland’s Chesapeake Biological Laboratory conducted a study, USGS Field Activity Number (FAN)... -
Autonomous Surface Vehicle Sidescan-sonar mosaic from St Vincent Bar, St....
These data were collected under a cooperative mapping program between the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration Coastal Services...