ABSTRACT

Mösso, C.; Gracia, V.; Mestres, M.; Sierra, J.P., and Sánchez-Arcilla, A., 2020. Sediment mobility at Fangar Bay entrance (NW Spanish Mediterranean): Management implications under present and future climates. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 894-899. Coconut Creek (Florida), ISSN 0749-0208.

Managing coastal lagoons, under present and particularly future climate scenarios, requires a robust and yet effective hydro-morphodynamic coupling. This is because the limited water depth and mouth width effectively restrict water renovation and control water quality. This has been applied to a Mediterranean coastal bay where warming and anoxia events are becoming more severe associated to the global temperature increases. The proposed coupling in terms of a sediment motion initiation criteria can be used for coupling hydrodynamic and morphodynamic models and can also be applied as a proxy for a sustainable management of these and another similar coastal case. The paper explores such an approach for the Fangar bay, in the Ebro delta (Spanish Mediterranean coast). However, the technique and conclusions can be applied to any micro-tidal semi-enclosed domain exposed to increasing warming and constrained by morphodynamic evolution.

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