Distribution of coastal high water level during extreme events around the UK and Irish coasts

<p>The interaction between waves, surges, and astronomical tides can lead to high coastal total water level (TWL), which can in turn trigger coastal flooding. Here, a high-resolution (1.5 km) simulation from a UK-focused regional coupled environmental prediction system is used to investigate t...

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Autores principales:	J. Rulent, L. M. Bricheno, J. A. M. Green, I. D. Haigh, H. Lewis
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Environmental technology. Sanitary engineering TD1-1066 Geography. Anthropology. Recreation G Environmental sciences GE1-350 Geology QE1-996.5
Acceso en línea:	https://doaj.org/article/794a4ddc52dc4217a6e83e015e880843
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id	oai:doaj.org-article:794a4ddc52dc4217a6e83e015e880843
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spelling	oai:doaj.org-article:794a4ddc52dc4217a6e83e015e8808432021-11-08T07:44:13ZDistribution of coastal high water level during extreme events around the UK and Irish coasts10.5194/nhess-21-3339-20211561-86331684-9981https://doaj.org/article/794a4ddc52dc4217a6e83e015e8808432021-11-01T00:00:00Zhttps://nhess.copernicus.org/articles/21/3339/2021/nhess-21-3339-2021.pdfhttps://doaj.org/toc/1561-8633https://doaj.org/toc/1684-9981<p>The interaction between waves, surges, and astronomical tides can lead to high coastal total water level (TWL), which can in turn trigger coastal flooding. Here, a high-resolution (1.5 km) simulation from a UK-focused regional coupled environmental prediction system is used to investigate the extreme events of winter 2013/4 around the UK and Irish coasts. The aim is to analyse the spatial distribution of coastal TWL and its components during this period by assessing (1) the relative contribution of different TWL components around the coast; (2) how extreme waves, surges, and tide interacted and if they occurred simultaneously; and (3) if this has implications in defining the severity of coastal hazard conditions. The TWL components' coastal distribution in winter 2013/4 was not constant in space, impacting differently over different regions. High (<span class="inline-formula">>90</span>th percentile) waves and high surges occurred simultaneously at any tidal stage, including high tide (7.7 % of cases), but more often over the flood tide. During periods of high flood risk, a hazard proxy, defined as the sum of the sea surface height and half the significant wave height, at least doubled from average over three-quarters of the coast. These results have important implications for the risk management sector.</p>J. RulentJ. RulentL. M. BrichenoJ. A. M. GreenI. D. HaighH. LewisCopernicus PublicationsarticleEnvironmental technology. Sanitary engineeringTD1-1066Geography. Anthropology. RecreationGEnvironmental sciencesGE1-350GeologyQE1-996.5ENNatural Hazards and Earth System Sciences, Vol 21, Pp 3339-3351 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental technology. Sanitary engineering TD1-1066 Geography. Anthropology. Recreation G Environmental sciences GE1-350 Geology QE1-996.5
spellingShingle	Environmental technology. Sanitary engineering TD1-1066 Geography. Anthropology. Recreation G Environmental sciences GE1-350 Geology QE1-996.5 J. Rulent J. Rulent L. M. Bricheno J. A. M. Green I. D. Haigh H. Lewis Distribution of coastal high water level during extreme events around the UK and Irish coasts
description	<p>The interaction between waves, surges, and astronomical tides can lead to high coastal total water level (TWL), which can in turn trigger coastal flooding. Here, a high-resolution (1.5 km) simulation from a UK-focused regional coupled environmental prediction system is used to investigate the extreme events of winter 2013/4 around the UK and Irish coasts. The aim is to analyse the spatial distribution of coastal TWL and its components during this period by assessing (1) the relative contribution of different TWL components around the coast; (2) how extreme waves, surges, and tide interacted and if they occurred simultaneously; and (3) if this has implications in defining the severity of coastal hazard conditions. The TWL components' coastal distribution in winter 2013/4 was not constant in space, impacting differently over different regions. High (<span class="inline-formula">>90</span>th percentile) waves and high surges occurred simultaneously at any tidal stage, including high tide (7.7 % of cases), but more often over the flood tide. During periods of high flood risk, a hazard proxy, defined as the sum of the sea surface height and half the significant wave height, at least doubled from average over three-quarters of the coast. These results have important implications for the risk management sector.</p>
format	article
author	J. Rulent J. Rulent L. M. Bricheno J. A. M. Green I. D. Haigh H. Lewis
author_facet	J. Rulent J. Rulent L. M. Bricheno J. A. M. Green I. D. Haigh H. Lewis
author_sort	J. Rulent
title	Distribution of coastal high water level during extreme events around the UK and Irish coasts
title_short	Distribution of coastal high water level during extreme events around the UK and Irish coasts
title_full	Distribution of coastal high water level during extreme events around the UK and Irish coasts
title_fullStr	Distribution of coastal high water level during extreme events around the UK and Irish coasts
title_full_unstemmed	Distribution of coastal high water level during extreme events around the UK and Irish coasts
title_sort	distribution of coastal high water level during extreme events around the uk and irish coasts
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/794a4ddc52dc4217a6e83e015e880843
work_keys_str_mv	AT jrulent distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts AT jrulent distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts AT lmbricheno distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts AT jamgreen distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts AT idhaigh distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts AT hlewis distributionofcoastalhighwaterlevelduringextremeeventsaroundtheukandirishcoasts
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Distribution of coastal high water level during extreme events around the UK and Irish coasts

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