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Título: | Coastal flooding and mean sea-level rise allowances in atoll island |
Autor: | Amores, Ángel CSIC ORCID; Marcos, Marta CSIC ORCID; Le Cozannet, Gonéri; Hinkel, Jochen | Fecha de publicación: | 24-ene-2022 | Editor: | Springer Nature | Citación: | Scientific Reports 12: 1281 (2022) | Resumen: | Atoll islands are among the places most vulnerable to climate change due to their low elevation above mean sea level. Even today, some of these islands suffer from severe flooding generated by wind-waves, that will be exacerbated with mean sea-level rise. Wave-induced flooding is a complex physical process that requires computationally-expensive numerical models to be reliably estimated, thus limiting its application to single island case studies. Here we present a new model-based parameterisation for wave setup and a set of numerical simulations for the wave-induced flooding in coral reef islands as a function of their morphology, the Manning friction coefficient, wave characteristics and projected mean sea level that can be used for rapid, broad scale (e.g. entire atoll island nations) flood risk assessments. We apply this new approach to the Maldives to compute the increase in wave hazard due to mean sea-level rise, as well as the change in island elevation or coastal protection required to keep wave-induced flooding constant. While future flooding in the Maldives is projected to increase drastically due to sea-level rise, we show that similar impacts in nearby islands can occur decades apart depending on the exposure to waves and the topobathymetry of each island. Such assessment can be useful to determine on which islands adaptation is most urgently needed. | Descripción: | Amores, Angel; Marcos, Marta; Le Cozannet, Gonéri; Hinkel, Jochen. Author Correction: Coastal flooding and mean sea-level rise allowances in atoll island. Scientific Reports 12: 2523 (2022). https://doi.org/10.1038/s41598-022-06548-2 . http://hdl.handle.net/10261/272773 | Versión del editor: | https://doi.org/10.1038/s41598-022-05329-1 | URI: | http://hdl.handle.net/10261/272771 | DOI: | 10.1038/s41598-022-05329-1 | E-ISSN: | 2045-2322 |
Aparece en las colecciones: | (IMEDEA) Artículos |
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Coastal_flooding.pdf | 7,46 MB | Adobe PDF | Visualizar/Abrir |
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