Journal Article

An overview of seabed-mapping technologies in the context of marine habitat classification☆

A.J Kenny, I Cato, M Desprez, G Fader, R.T.E Schüttenhelm and J Side

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 60, issue 2, pages 411-418
Published in print January 2003 | ISSN: 1054-3139
Published online January 2003 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1016/S1054-3139(03)00006-7
An overview of seabed-mapping technologies in the context of marine habitat classification☆

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  • Marine and Estuarine Biology

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A wide range of seabed-mapping technologies is reviewed in respect to their effectiveness in discriminating benthic habitats at different spatial scales. Of the seabed attributes considered important in controlling the benthic community of marine sands and gravel, sediment grain size, porosity or shear strength, and sediment dynamics were highlighted as the most important. Whilst no one mapping system can quantify all these attributes at the same time, some may be estimated by skilful interpretation of the remotely sensed data. For example, seabed processes or features, such as bedform migration, scour, slope failure, and gas venting are readily detectable by many of the mapping systems, and these characteristics in turn can be used to assist a habitat classification (and monitoring) of the seabed. We tabulate the relationship between “rapid” continental shelf sedimentological processes, the seabed attributes affecting these processes, and the most suitable mapping system to employ for their detection at different spatial scales.

Keywords: seabed-mapping technologies; swath system; single-beam system

Journal Article.  4524 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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