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One-Year Evolution of a Mediterranean Sandy Beach with Posidonia oceanica Banquettes (Arborea, Sardinia, Italy)

  • Paulo Cabrita
  • Riccardo Brunetta
  • Juan Montes-Pérez
  • Sabrina Terracciano
  • Enrico Duo
  • Paolo Ciavola
  • Clara Armaroli

Sandy coasts, representing 40% of global shorelines, are essential for coastal defence and ecosystems. Natural solutions are increasingly studied to provide beach protection while enhancing ecosystem services, such as seagrass deposition on the coast. This study investigates the morphological evolution of a beach characterised by a low human impact, where Posidonia oceanica is present and forms banquettes. Fieldwork campaigns, including topographic surveys and drone mapping, were conducted over 1.5 years. A storm during one campaign led to the formation of extensive Posidonia banquettes, particularly in the southern part of the beach, a trend observed in all surveys. This distribution influenced erosion trends, with long medium-term analysis showing overall erosion, especially in northern areas with fewer banquettes and a dune retreat of around 3 meters. These findings highlight the critical role of Posidonia banquettes in protecting against dune erosion, at least locally, although significant erosion over 1.5 years occurred in the whole studied area, suggesting that further investigations are needed.

  • Keywords:
  • Posidonia oceanica; Banquettes; Beach Morphology; Coastal Storms; Geomorphological evolution,
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Paulo Cabrita

University of Ferrara, Italy - ORCID: 0000-0002-7232-9724

Riccardo Brunetta

University of Ferrara, Italy - ORCID: 0000-0003-0027-8937

Juan Montes-Pérez

University of Cadiz, Spain - ORCID: 0000-0002-0365-5155

Sabrina Terracciano

University of Ferrara, Italy - ORCID: 0000-0003-1851-212X

Enrico Duo

University of Ferrara, Italy - ORCID: 0000-0003-1146-9966

Paolo Ciavola

University of Ferrara, Italy - ORCID: 0000-0002-7107-8185

Clara Armaroli

University of Bologna, Italy - ORCID: 0000-0002-5236-0185

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  • Anno di pubblicazione: 2024
  • Pagine: 671-682

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Informazioni sul capitolo

Titolo del capitolo

One-Year Evolution of a Mediterranean Sandy Beach with Posidonia oceanica Banquettes (Arborea, Sardinia, Italy)

Autori

Paulo Cabrita, Riccardo Brunetta, Juan Montes-Pérez, Sabrina Terracciano, Enrico Duo, Paolo Ciavola, Clara Armaroli

Lingua

Italian

DOI

10.36253/979-12-215-0556-6.58

Opera sottoposta a peer review

Anno di pubblicazione

2024

Copyright

© 2024 Author(s)

Licenza d'uso

CC BY-NC-SA 4.0

Licenza dei metadati

CC0 1.0

Informazioni bibliografiche

Titolo del libro

Tenth International Symposium "Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques"

Sottotitolo del libro

Livorno (Italy) 11th-13th June 2024

Curatori

Laura Bonora, Marcantonio Catelani, Matteo De Vincenzi, Giorgio Matteucci

Opera sottoposta a peer review

Anno di pubblicazione

2024

Copyright

© 2024 Author(s)

Licenza d'uso

CC BY-NC-SA 4.0

Licenza dei metadati

CC0 1.0

Editore

Firenze University Press

DOI

10.36253/979-12-215-0556-6

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979-12-215-0556-6

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979-12-215-0557-3

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Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques

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2975-0288

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