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

Antonia Chatzirodou, Harshinie Karunarathna Orcid Logo, Dominic Reeve Orcid Logo

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

Swansea University Authors: Harshinie Karunarathna Orcid Logo, Dominic Reeve Orcid Logo

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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: Elsevier BV 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa30506
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spelling 2020-09-17T12:50:15.4929038 v2 30506 2016-10-07 Investigation of deep sea shelf sandbank dynamics driven by highly energetic tidal flows 0d3d327a240d49b53c78e02b7c00e625 0000-0002-9087-3811 Harshinie Karunarathna Harshinie Karunarathna true false 3e76fcc2bb3cde4ddee2c8edfd2f0082 0000-0003-1293-4743 Dominic Reeve Dominic Reeve true false 2016-10-07 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 Elsevier BV 0025-3227 Pentland Firth; Tidal energy extraction; Sandbanks; Delft3D model; Sediment transport modelling; Morphodynamics 1 10 2016 2016-10-01 10.1016/j.margeo.2016.04.011 COLLEGE NANME Civil Engineering COLLEGE CODE CIVL Swansea University 2020-09-17T12:50:15.4929038 2016-10-07T16:13:10.9051932 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering Antonia Chatzirodou 1 Harshinie Karunarathna 0000-0002-9087-3811 2 Dominic Reeve 0000-0003-1293-4743 3 0030506-07112016113109.pdf chatzirodou2016(3).pdf 2016-11-07T11:31:09.8200000 Output 5373479 application/pdf Version of Record true This is an open access article under the CC BY-NC-ND license. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
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
Harshinie Karunarathna
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 0d3d327a240d49b53c78e02b7c00e625
3e76fcc2bb3cde4ddee2c8edfd2f0082
author_id_fullname_str_mv 0d3d327a240d49b53c78e02b7c00e625_***_Harshinie Karunarathna
3e76fcc2bb3cde4ddee2c8edfd2f0082_***_Dominic Reeve
author Harshinie Karunarathna
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
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Civil Engineering
document_store_str 1
active_str 0
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 2016-10-01T03:37:05Z
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score 11.014067