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3D reconstruction of a shallow archaeological site from high-resolution acoustic imagery - a case study

Plets, R.M.K., Dix, J.K., Adams, J.R., Bull, J.M., Henstock, T., Gutowski, M. and Best, A.I., (2006) 3D reconstruction of a shallow archaeological site from high-resolution acoustic imagery - a case study Jesus, S.N. and Rodriguez, O.C. (eds.) In Proceedings of the 8th European Conference on Underwater Acoustics, 12-15 Jun 2006. ECUA Secretariat., pp. 757-762.

Record type: Conference or Workshop Item (Paper)

Abstract

This paper compares a 2D and 3D-Chirp geophysical investigation of a buried shipwreck: the Grace Dieu (1418). The site, covered by 2-5m of water, is buried within muddy inter-tidal sediments. At exceptionally low tides, a few of the marginal timbers are exposed. The marine survey utilised a 2D-Chirp systems with a DGPS navigational system, and a 3-Chirp system with RTK-positioning capability. In both cases, the source was towed over the site by divers. Close survey line spacing, accurate navigation and decimetre scale resolution data enabled the construction of a pseudo- and full 3D-image of the site, which were calibrated against an RTK-GPS-terrestrial survey. The exercise demonstrated the improved spatial resolution provided by the 3D-Chirp system and the ability of a well-constrained 2D survey to produce a pseudo-3D reconstruction of the gross ship structure.

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Published date: 12 June 2006
Venue - Dates: 8th European Conference on Underwater Acoustics, 2006-06-12 - 2006-06-15
Keywords: chirp, wood detection, archaeology

Identifiers

Local EPrints ID: 39914
URI: http://eprints.soton.ac.uk/id/eprint/39914
PURE UUID: bb812cb8-1d5a-4664-bb1b-02b40a614ab5
ORCID for T. Henstock: ORCID iD orcid.org/0000-0002-2132-2514

Catalogue record

Date deposited: 03 Jul 2006
Last modified: 17 Jul 2017 15:35

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Contributors

Author: R.M.K. Plets
Author: J.K. Dix
Author: J.R. Adams
Author: J.M. Bull
Author: T. Henstock ORCID iD
Author: M. Gutowski
Author: A.I. Best
Editor: S.N. Jesus
Editor: O.C. Rodriguez

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