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Morphodynamic classification of sandy beaches in low energetic marine environment

AutorGómez-Pujol, Lluís; Orfila, Alejandro ; Cañellas, Bartomeu ; Álvarez-Ellacuria, Amaya ; Méndez, Fernando J.; Medina, Raúl; Tintoré, Joaquín
Palabras claveBeach morphodynamics
Beach morphology
Fecha de publicación2007
CitaciónMarine Geology 242(4): 235-246 (2007)
ResumenMorphodynamic classification of beaches has achieved widespread acceptance in both geological and geomorphological literature. In this sense, the present work classifies twelve Mediterranean low energetic beaches according to the dimensionless fall parameter (Ω) parameter in the Island of Mallorca. Propagation of 44 yr of wave data as well as a detailed sediment study allows to provide probabilities for morphodynamical beach state on an annual and seasonal basis. Consequently, beaches in Mallorca fall between three major categories which are (a) truly reflective, (b) reflective skewed to intermediate and (c) intermediate beaches. The Mallorcan beach position in the morphodynamical scheme is close related to the physiographical and geological framework. Comparison of observed values with those obtained in the analysis leads that for gross beach classification there is agreement between predicted and real state. However on a seasonal classification, mainly during summer, there is no agreement between the predicted state and the real one. As the model does not incorporate the role of summer sea breezes, beach reflective states are highlighted. Real beach configurations correspond to more energetic wave dynamic conditions and to intermediate state scenarios. © 2007 Elsevier B.V. All rights reserved.
Identificadoresdoi: 10.1016/j.margeo.2007.03.008
issn: 0025-3227
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