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This data has achieved Bronze level on 22 October 2015 which means this data makes a great start at the basics of publishing open data.

Synthetic Aperture Sonar Survey to Locate Archaeological Resources in the Stellwagen Bank National Marine Sanctuary on NOAA Office of National Marine Sanctuaries vessel SRVx between 20100823 and 20100901

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
26 September 2015
Modified Date
26 September 2015
Update Frequency
unknown
Publishers
National Oceanic and Atmospheric Administration, Department of Commerce
Identifier
synthetic-aperture-sonar-survey-to-locate-archaeological-resources-in-the-stellwagen-bank-natio
Landing Page
http://catalog.data.gov/dataset/synthetic-aperture-sonar-survey-to-locate-archaeological-resources-in-the-stellwagen-bank-natio
Temporal Coverage
23 August 2010 — 1 September 2010

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Description

SAS technology exemplifies recent advances in geophysical survey technology that will revolutionize maritime archaeological remote sensing. Applied Signal Technology (AST) has combined their SAS with the MacArtney FOCUS-2 ROTV to create the ultimate towed acoustic imaging device, PROSAS Surveyor. Capable of an area coverage rate of 2.5 kilometer/hour with a resolution of 3 centimeters, PROSAS Surveyor will greatly expand capabilities to locate even the oldest archaeological sites on the continental shelf, particularly where sedimentation is limited. Large area seafloor mapping at a resolution capable of imaging very small targets is a tremendously expensive proposition for submerged land managers responsible for bottom lands from 30 to 300 meters in depth. Daily operating costs for a suitable research vessel and personnel limit the area that can be investigated. This project will for the first time apply commercially available SAS technology to the search for historic shipwrecks. The rapidity and resolution of this project's survey will be as much as a four-fold increase in area covered as compared to conventional marine archaeological remote sensing survey.

Información General

Información legal

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

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