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Journal article 1652 views 249 downloads

Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows

Antonia Chatzirodou, Harshinie Karunarathna, Dominic Reeve

Marine Geology, Volume: 380, Pages: 245 - 263

Swansea University Author: Dominic Reeve

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DOI (Published version): 10.1016/j.margeo.2016.04.011

Abstract

In this paper we describe a numerical modelling study carried out to investigate the prevailing sediment dynamics of two large sandbanks located at a site designated for future development of tidal stream energy extraction, in the Inner Sound Channel of Pentland Firth, Scotland, UK. A calibrated and...

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Published in: Marine Geology
ISSN: 0025-3227
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa27490
Abstract: In this paper we describe a numerical modelling study carried out to investigate the prevailing sediment dynamics of two large sandbanks located at a site designated for future development of tidal stream energy extraction, in the Inner Sound Channel of Pentland Firth, Scotland, UK. A calibrated and validated 3D Delft3D hydrodynamic model covering Pentland Firth channel was combined with a morphodynamic model. The sea bed changes occurring around the sandbanks during a period of two spring-neap tidal cycles are described and discussed in detail. It was found that both sandbanks, which are located in a deep shelf region (depths > 18 m), are morphodynamically active and their existence and integrity are strongly linked with the existing hydrodynamic regime.
Item Description: This is an open access article under the CC BY-NC-ND license(http://creativecommons.org/licenses/by-nc-nd/4.0/).
College: Faculty of Science and Engineering
Start Page: 245
End Page: 263

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