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  3. High-resolution geophysical data collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA
  4. Chirp seismic reflection data- shotpoints, tracklines, profile images, and SEG-Y traces for EdgeTech 3400 chirp data collected during USGS field activity 2022-001-FA (point and polyline shapefiles, CSV text, PNG Images, and SEGY data, GCS WGS 84)

Chirp seismic reflection data- shotpoints, tracklines, profile images, and SEG-Y traces for EdgeTech 3400 chirp data collected during USGS field activity 2022-001-FA (point and polyline shapefiles, CSV text, PNG Images, and SEGY data, GCS WGS 84)

Dates

Publication Date
Start Date
2022-06-03
End Date
2022-06-24

Citation

Andrews, B.D., Baldwin, W.E., Worley, C.R., Moore, E.M., Nichols, A.R., Danforth, W.W., Foster, D.S., Ackerman, S.D., and Brothers, L.L. 2023, High-resolution geophysical data collected in Nantucket Sound Massachusetts in the vicinity of Horseshoe Shoal, during USGS Field Activity 2022-001-FA: U.S. Geological Survey data release, https://doi.org/10.5066/P9O5G5OT.

Summary

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 Sound to understand the regional geology in the vicinity of Horseshoe Shoal. This effort is part of a long-term collaboration between the USGS and the Commonwealth of Massachusetts to map the State’s waters, support research on the Quaternary evolution of coastal Massachusetts, resolve the influence of sea-level change and sediment supply on coastal evolution, and strengthen efforts to understand the type, distribution, and quality of subtidal marine habitats. This collaboration produces high-resolution geologic data that serve the needs of research, management [...]

Contacts

Contact :
Wayne E Baldwin
Author :
Brian D Andrews, Wayne E Baldwin, Charles R Worley, Eric Moore, Alexander R Nichols, William W Danforth, David S Foster, Seth D Ackerman, Laura Brothers
Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Program :
Coastal and Marine Hazards and Resources Program
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

Click on title to download individual files attached to this item.

2022-001-FA_ET3400_meta.xml
“metadata”
Original FGDC Metadata
View 		48.17 KB application/fgdc+xml
2022-001-FA_ET3400_browse.jpg
“browse image showing location of seismic profiles” 		thumbnail 114.39 KB image/jpeg
2022-001-FA_ET3400_Images.zip
“profile images in png format” 		1,009.79 MB application/zip
2022-001-FA_ET3400_Data.zip
“trackline and shotpoint navigation” 		27.61 MB application/zip

“seismic data in SEG-Y format” 		12.41 GB application/x-zip-compressed
2022-001-FA_ET3400_shtnav.zip
“Unique shotpoint csv file” 		20.22 MB application/zip

Purpose

This dataset contains shotpoint and trackline navigation, profile images, and raw SEG-Y trace data for approximately 676 km of EdgeTech 3400 chirp seismic-reflection data collected by the U.S. Geological Survey during USGS field activity 2022-001-FA in Nantucket Sound. Images of each seismic profile were generated in order to provide portable and easily viewable alternatives to the SEG-Y versions of the data. Each profile image can be hyperlinked to its corresponding trackline navigation contained within the Esri polyline shapefile '2022-001-FA_ET3400_Tracklines.shp'. Shotpoint index and tick marks along the top of the PNG images correlate to the positions of 500 shot intervals within the Esri point shapefile '2022-001-FA_ET3400_sht500.shp'. This information allows for spatial correlation of chirp seismic-reflection profiles images with other geophysical and sample data for investigating sea-floor morphology and stratigraphy in the area.
browse image showing location of seismic profiles
browse image showing location of seismic profiles

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