Managing erosion-induced problems in NW Mediterranean urban beaches |
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Authors: | José A. Jimé nez,Vicenç Gracia,Herminia I. Valdemoro,E. Tonatiuh Mendoza,Agustí n Sá nchez-Arcilla |
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Affiliation: | a International Centre for Coastal Resources Research, CIIRC, Barcelona, Spain b Laboratori d’Enginyeria Marítima, ETSECCPB, Universitat Politécnica de Catalunya, c/Jordi Girona 1-3, Campus Nord ed. D1, 08034 Barcelona, Spain |
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Abstract: | The applicability of recommendations of the Eurosion project to define a policy to manage coastal erosion has been tested at the “beach” scale in the Mediterranean coast. Thus, a favourable sediment status has been defined for these beaches taking into account their main functions: recreation and protection. Because they act at two different seasons, this status needs to be seasonally defined. For the protection function, the favourable sediment status depends on the level of safety fixed by the manager taking into account the importance of existing infrastructures and, for recreation it depends on the use density of the beach. The concept has been formalized for beach management within a framework where benchmarking plays a crucial role to determine the need of intervention. This has been illustrated for open cell beaches where one of its boundaries can permit variations in the sediment budget and for pocket beaches that act as closed sediment cells. |
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