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

Antonia Chatzirodou, Harshinie Karunarathna, Dominic Reeve Orcid Logo

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

Swansea University Author: Dominic Reeve Orcid Logo

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
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first_indexed 2016-04-28T01:13:15Z
last_indexed 2018-02-09T05:10:38Z
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spelling 2017-07-07T15:09:25.6259519 v2 27490 2016-04-27 Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows 3e76fcc2bb3cde4ddee2c8edfd2f0082 0000-0003-1293-4743 Dominic Reeve Dominic Reeve true false 2016-04-27 CIVL 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. Journal Article Marine Geology 380 245 263 0025-3227 1 10 2016 2016-10-01 10.1016/j.margeo.2016.04.011 This is an open access article under the CC BY-NC-ND license(http://creativecommons.org/licenses/by-nc-nd/4.0/). COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University EPSRC 2017-07-07T15:09:25.6259519 2016-04-27T17:10:22.6919922 College of Engineering Engineering Antonia Chatzirodou 1 Harshinie Karunarathna 2 Dominic Reeve 0000-0003-1293-4743 3 0027490-98201630059PM.pdf chatzirodou2016(2).pdf 2016-09-08T15:00:59.9270000 Output 5373479 application/pdf Version of Record true 2016-08-09T00:00:00.0000000 true
title Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
spellingShingle Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
Dominic Reeve
title_short Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
title_full Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
title_fullStr Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
title_full_unstemmed Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
title_sort Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows
author_id_str_mv 3e76fcc2bb3cde4ddee2c8edfd2f0082
author_id_fullname_str_mv 3e76fcc2bb3cde4ddee2c8edfd2f0082_***_Dominic Reeve
author Dominic Reeve
author2 Antonia Chatzirodou
Harshinie Karunarathna
Dominic Reeve
format Journal article
container_title Marine Geology
container_volume 380
container_start_page 245
publishDate 2016
institution Swansea University
issn 0025-3227
doi_str_mv 10.1016/j.margeo.2016.04.011
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description 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.
published_date 2016-10-01T03:38:48Z
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score 10.898123