Mean sea level and tidal change in Ireland since 1842: a case study of Cork

<p>Knowledge of regional changes in mean sea level and local changes in tides are crucial to inform effective climate adaptation. An essential element is the availability of accurate observations of sea level. Sea level data in the Republic of Ireland, prior to the establishment of the Nationa...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	D. T. Pugh, E. Bridge, R. Edwards, P. Hogarth, G. Westbrook, P. L. Woodworth, G. D. McCarthy
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Geography. Anthropology. Recreation G Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/09bf8d5a93e342f886cb111388105232
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:09bf8d5a93e342f886cb111388105232
record_format	dspace
spelling	oai:doaj.org-article:09bf8d5a93e342f886cb1113881052322021-11-11T12:55:14ZMean sea level and tidal change in Ireland since 1842: a case study of Cork10.5194/os-17-1623-20211812-07841812-0792https://doaj.org/article/09bf8d5a93e342f886cb1113881052322021-11-01T00:00:00Zhttps://os.copernicus.org/articles/17/1623/2021/os-17-1623-2021.pdfhttps://doaj.org/toc/1812-0784https://doaj.org/toc/1812-0792<p>Knowledge of regional changes in mean sea level and local changes in tides are crucial to inform effective climate adaptation. An essential element is the availability of accurate observations of sea level. Sea level data in the Republic of Ireland, prior to the establishment of the National Tide Gauge Network in the mid-2000s, are limited but belie a wealth of historical data available in archival form. In this study, we digitize records located in Cork Harbour, Ireland, from 1842 and show how short-duration (6–8 weeks), high-quality data with a large interval to the present can accurately inform tidal and mean sea level changes. We consider error sources in detail. We estimate for the main M2 tidal constituent that the accuracy of these historical measurements is 1 % and 2 min for amplitude and phase, respectively, once adjustments for seasonal and nodal effects are made. Our mean sea level estimates are accurate to the 2 cm level, once adjustments for atmospheric and seasonal effects are made. Our results show tidal stability with a 2 % change in the amplitude of the M2 component, 4 min change in the phase over a period of 177 years, and mean sea level rise of 40 cm in the Cork Harbour area from 1842 to 2019, approximately in line with global mean sea level trends plus local glacial isostatic adjustment. More broadly, we show that with careful seasonal, nodal, and atmospheric corrections, together with knowledge of benchmark provenance, these historic, survey-oriented data can accurately inform of sea level changes.</p>D. T. PughE. BridgeR. EdwardsP. HogarthG. WestbrookP. L. WoodworthG. D. McCarthyCopernicus PublicationsarticleGeography. Anthropology. RecreationGEnvironmental sciencesGE1-350ENOcean Science, Vol 17, Pp 1623-1637 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Geography. Anthropology. Recreation G Environmental sciences GE1-350
spellingShingle	Geography. Anthropology. Recreation G Environmental sciences GE1-350 D. T. Pugh E. Bridge R. Edwards P. Hogarth G. Westbrook P. L. Woodworth G. D. McCarthy Mean sea level and tidal change in Ireland since 1842: a case study of Cork
description	<p>Knowledge of regional changes in mean sea level and local changes in tides are crucial to inform effective climate adaptation. An essential element is the availability of accurate observations of sea level. Sea level data in the Republic of Ireland, prior to the establishment of the National Tide Gauge Network in the mid-2000s, are limited but belie a wealth of historical data available in archival form. In this study, we digitize records located in Cork Harbour, Ireland, from 1842 and show how short-duration (6–8 weeks), high-quality data with a large interval to the present can accurately inform tidal and mean sea level changes. We consider error sources in detail. We estimate for the main M2 tidal constituent that the accuracy of these historical measurements is 1 % and 2 min for amplitude and phase, respectively, once adjustments for seasonal and nodal effects are made. Our mean sea level estimates are accurate to the 2 cm level, once adjustments for atmospheric and seasonal effects are made. Our results show tidal stability with a 2 % change in the amplitude of the M2 component, 4 min change in the phase over a period of 177 years, and mean sea level rise of 40 cm in the Cork Harbour area from 1842 to 2019, approximately in line with global mean sea level trends plus local glacial isostatic adjustment. More broadly, we show that with careful seasonal, nodal, and atmospheric corrections, together with knowledge of benchmark provenance, these historic, survey-oriented data can accurately inform of sea level changes.</p>
format	article
author	D. T. Pugh E. Bridge R. Edwards P. Hogarth G. Westbrook P. L. Woodworth G. D. McCarthy
author_facet	D. T. Pugh E. Bridge R. Edwards P. Hogarth G. Westbrook P. L. Woodworth G. D. McCarthy
author_sort	D. T. Pugh
title	Mean sea level and tidal change in Ireland since 1842: a case study of Cork
title_short	Mean sea level and tidal change in Ireland since 1842: a case study of Cork
title_full	Mean sea level and tidal change in Ireland since 1842: a case study of Cork
title_fullStr	Mean sea level and tidal change in Ireland since 1842: a case study of Cork
title_full_unstemmed	Mean sea level and tidal change in Ireland since 1842: a case study of Cork
title_sort	mean sea level and tidal change in ireland since 1842: a case study of cork
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/09bf8d5a93e342f886cb111388105232
work_keys_str_mv	AT dtpugh meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT ebridge meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT redwards meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT phogarth meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT gwestbrook meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT plwoodworth meansealevelandtidalchangeinirelandsince1842acasestudyofcork AT gdmccarthy meansealevelandtidalchangeinirelandsince1842acasestudyofcork
_version_	1718439006638702592

Mean sea level and tidal change in Ireland since 1842: a case study of Cork

Ejemplares similares