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3D high-resolution acoustic imaging of the sub-seabed

Gutowski, Martin, Bull, Jonathan M., Dix, Justin K., Henstock, Timothy J., Hogarth, Peter, Hillier, Tom, Leighton, Timothy G. and White, Paul R. (2008) 3D high-resolution acoustic imaging of the sub-seabed Applied Acoustics, 69, (3), pp. 262-272.

Record type: Article


Chirp sub-bottom profilers are marine acoustic devices that use a known and repeatable frequency-modulated source signature to produce vertical seismic reflection cross-sections of the sub-seabed. Here a 3D Chirp system is described that operates in the frequency range of 1.5–13 kHz, to produce a three-dimensional image of the sub-seabed, with typical penetration of 10–30 m and decimetric horizontal and vertical resolution. The system design incorporates a rigid frame that contains the Chirp source array together with 60 receiver elements, with positioning provided by an integrated real-time-kinematic (RTK) global positioning system (GPS). The system can be surface towed from a small survey vessel and can be applied to targets of marine geological, engineering, archaeological and defence interest. Data acquisition and processing are described for a case study which images a buried engineering structure in the Port of Southampton.

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More information

Published date: March 2008
Additional Information: Also published in Applied Acoustics 69(5) as a result of publisher's error
Keywords: chirp, 3D chirp, 3D seismics, high-resolution seismics


Local EPrints ID: 51028
ISSN: 0003-682X
PURE UUID: 9e1d415e-d5f8-4a2f-a4e1-4d9eeb3b2095
ORCID for Timothy G. Leighton: ORCID iD
ORCID for Paul R. White: ORCID iD

Catalogue record

Date deposited: 01 May 2008
Last modified: 15 Oct 2017 18:13

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Author: Martin Gutowski
Author: Jonathan M. Bull
Author: Justin K. Dix
Author: Timothy J. Henstock
Author: Peter Hogarth
Author: Tom Hillier
Author: Paul R. White ORCID iD

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