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

Chatzirodou, Antonia; Karunarathna, Harshinie; Reeve, Dominic

doi:10.1016/j.margeo.2016.04.011

Journal article 1164 views 189 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 Authors: Harshinie Karunarathna , 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:	Elsevier BV 2016
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa30506
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first_indexed	2016-10-10T19:42:02Z
last_indexed	2020-09-18T02:46:22Z
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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
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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	2016-10-01T03:37:05Z
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score	11.036815

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

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