Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise

It is essential to monitor accurately current sea level changes to better understand and project future sea level rise (SLR). This is the basis to support the design of adaptation strategies to climate change. Altimeter sea level products are operationally produced and distributed by the E.U. Copern...

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Autores principales:	Jean-François Legeais, Benoît Meyssignac, Yannice Faugère, Adrien Guerou, Michaël Ablain, Marie-Isabelle Pujol, Claire Dufau, Gérald Dibarboure
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	Copernicus sea level rise (SLR) satellite altimetry adaptation strategies to climate change ocean monitoring indicators Science Q General. Including nature conservation, geographical distribution QH1-199.5
Acceso en línea:	https://doaj.org/article/d86c17b1769346d69081e3c371ead226
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spelling	oai:doaj.org-article:d86c17b1769346d69081e3c371ead2262021-11-18T09:57:41ZCopernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise2296-774510.3389/fmars.2021.704721https://doaj.org/article/d86c17b1769346d69081e3c371ead2262021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmars.2021.704721/fullhttps://doaj.org/toc/2296-7745It is essential to monitor accurately current sea level changes to better understand and project future sea level rise (SLR). This is the basis to support the design of adaptation strategies to climate change. Altimeter sea level products are operationally produced and distributed by the E.U. Copernicus services dedicated to the marine environment (CMEMS) and climate change (C3S). The present article is a review paper that intends to explain why and to which extent the sea level monitoring indicators derived from these products are appropriate to develop adaptation strategies to SLR. We first present the main key scientific questions and challenges related to SLR monitoring. The different processing steps of the altimeter production system are presented including those ensuring the quality and the stability of the sea level record (starting in 1993). Due to the numerous altimeter algorithms required for the production, it is complex to ensure both the retrieval of high-resolution mesoscale signals and the stability of the large-scale wavelengths. This has led to the operational production of two different sea level datasets whose specificities are characterized. We present the corresponding indicators: the global mean sea level (GMSL) evolution and the regional map of sea level trends, with their respective uncertainties. We discuss how these products and associated indicators support adaptation to SLR, and we illustrate with an example of downstream application. The remaining gaps are analyzed and recommendations for the future are provided.Jean-François LegeaisBenoît MeyssignacYannice FaugèreAdrien GuerouMichaël AblainMarie-Isabelle PujolClaire DufauGérald DibarboureFrontiers Media S.A.articleCopernicussea level rise (SLR)satellite altimetryadaptation strategies to climate changeocean monitoring indicatorsScienceQGeneral. Including nature conservation, geographical distributionQH1-199.5ENFrontiers in Marine Science, Vol 8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Copernicus sea level rise (SLR) satellite altimetry adaptation strategies to climate change ocean monitoring indicators Science Q General. Including nature conservation, geographical distribution QH1-199.5
spellingShingle	Copernicus sea level rise (SLR) satellite altimetry adaptation strategies to climate change ocean monitoring indicators Science Q General. Including nature conservation, geographical distribution QH1-199.5 Jean-François Legeais Benoît Meyssignac Yannice Faugère Adrien Guerou Michaël Ablain Marie-Isabelle Pujol Claire Dufau Gérald Dibarboure Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
description	It is essential to monitor accurately current sea level changes to better understand and project future sea level rise (SLR). This is the basis to support the design of adaptation strategies to climate change. Altimeter sea level products are operationally produced and distributed by the E.U. Copernicus services dedicated to the marine environment (CMEMS) and climate change (C3S). The present article is a review paper that intends to explain why and to which extent the sea level monitoring indicators derived from these products are appropriate to develop adaptation strategies to SLR. We first present the main key scientific questions and challenges related to SLR monitoring. The different processing steps of the altimeter production system are presented including those ensuring the quality and the stability of the sea level record (starting in 1993). Due to the numerous altimeter algorithms required for the production, it is complex to ensure both the retrieval of high-resolution mesoscale signals and the stability of the large-scale wavelengths. This has led to the operational production of two different sea level datasets whose specificities are characterized. We present the corresponding indicators: the global mean sea level (GMSL) evolution and the regional map of sea level trends, with their respective uncertainties. We discuss how these products and associated indicators support adaptation to SLR, and we illustrate with an example of downstream application. The remaining gaps are analyzed and recommendations for the future are provided.
format	article
author	Jean-François Legeais Benoît Meyssignac Yannice Faugère Adrien Guerou Michaël Ablain Marie-Isabelle Pujol Claire Dufau Gérald Dibarboure
author_facet	Jean-François Legeais Benoît Meyssignac Yannice Faugère Adrien Guerou Michaël Ablain Marie-Isabelle Pujol Claire Dufau Gérald Dibarboure
author_sort	Jean-François Legeais
title	Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
title_short	Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
title_full	Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
title_fullStr	Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
title_full_unstemmed	Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise
title_sort	copernicus sea level space observations: a basis for assessing mitigation and developing adaptation strategies to sea level rise
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/d86c17b1769346d69081e3c371ead226
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Copernicus Sea Level Space Observations: A Basis for Assessing Mitigation and Developing Adaptation Strategies to Sea Level Rise

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