Green measures for Mediterranean harbours under a changing climate
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hdl:2117/112497
Tipus de documentArticle
Data publicació2017-06
Condicions d'accésAccés obert
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ProjecteRISES-AM- - Responses to coastal climate change: Innovative Strategies for high End Scenarios -Adaptation and Mitigation- (EC-FP7-603396)
ANALISIS (PROBABILISTICO) DE LOS USOS EN ZONA COSTERA BASADO EN LA VULNERABILIDAD DEBIDA A LA EROSION%2FINUNDACION RESULTANTES DE LA ACCION DEL OLEAJE. (MINECO-CTM2013-45141-R)
CEASELESS - Copernicus Evolution and Aplications with Sentinel Enhancements and Land Effluents for Shores and Seas (EC-H2020-730030)
ANALISIS (PROBABILISTICO) DE LOS USOS EN ZONA COSTERA BASADO EN LA VULNERABILIDAD DEBIDA A LA EROSION%2FINUNDACION RESULTANTES DE LA ACCION DEL OLEAJE. (MINECO-CTM2013-45141-R)
CEASELESS - Copernicus Evolution and Aplications with Sentinel Enhancements and Land Effluents for Shores and Seas (EC-H2020-730030)
Abstract
Harbour operability may be hampered by climate change. Green solutions can be used to provide extra flexibility with respect to present grey infrastructure to adapt to, and mitigate, such functional disruptions with affordable costs. This paper assesses the performance of a green solution (a seagrass meadow) by assessing its effectiveness through numerical modelling. The analysis is carried out at two harbours that, under the present climate, are prone to wave agitation and overtopping problems. The efficiencies of different seagrass layouts are tested at both sites, by comparing the relevant hydrodynamic parameters. It is concluded that, for moderate sea level rise (SLR) rates, illustrated by the central trend of a medium scenario from the Intergovernmental Panel on Climate Change, the use of seagrass meadows would be effective enough to attenuate the impact of SLR on breakwater overtopping. In addition, the use of such measures could attenuate the increases in port agitation due to changes in wave direction caused by climate change. Nevertheless, the complexity of the interactions between hydrodynamics and seagrass would require periodic monitoring and re-evaluation to maintain acceptable risk levels, especially in case of extreme scenarios.
CitacióSierra, J.P., Garcia, M., Gracia, V., Sanchez-Arcilla, A. Green measures for Mediterranean harbours under a changing climate. "Proceedings of the Institution of Civil Engineers. Maritime engineering", Juny 2017, vol. 170, núm. 2, p. 55-66.
ISSN1741-7597
Versió de l'editorhttp://www.icevirtuallibrary.com/doi/abs/10.1680/jmaen.2016.23
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