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Published in:
2023 | OriginalPaper | Chapter
Equilibrium Beach Profile: La Garrofera Beach Case Study
Authors : Tiago Abreu, Maria de Fátima Silva, Luís Vasconcelos, Sheila Torres-Toran
Published in: Advances in Natural Hazards and Volcanic Risks: Shaping a Sustainable Future
Publisher: Springer Nature Switzerland
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Abstract
The constructive and destructive forces acting on a beach profile influence the beach cross-shore profile. For an equilibrium profile, the response to wave forcing should result in a constant shape depending on incident waves or sediment characteristics. A panoply of formulations can be found to represent this equilibrium beach profile in both tidal and non-tidal beaches and the presence or absence of longshore bars. The main objective of this work is to verify if some easy-to-apply and straightforward models can provide an excellent fit for the cross-shore profile of La Garrofera beach, located in the Mediterranean Sea at Valencia (Spain). Beach characterization is made in terms of its morphology, nature of the soil and sediment characteristics, and wave regime. Three models are tested against bathymetric field data, showing reasonable predictions of the measured beach cross-shore profile. Furthermore, they all correctly predict the expected concave-up form characteristically found on wave-dominated beaches.