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Capitolo

Mapping coastal vulnerability against erosion along the Alicante coastline, Spain

  • José Ignacio Pagán
  • Pablo Ortíz
  • Isabel López

The assessment of coastal vulnerability helps prioritize investments to increase coastal resilience. This work aims to map the vulnerability of a 12 km coastal stretch of the province of Alicante, Spain. It is an area where natural spaces with wetlands and important dune ridges alternate with highly urbanized spots. The method calculates a Coastal Vulnerability Index (CVI) through three main indicators: geomorphology (geology, coastal slope, erosion rate, beach width and dune width), hydrodynamics (significant wave height, mean tide range and flood level indicator) and vegetation variables (state of seagrass meadows, depth and width of these meadows and backshore area covered by vegetation). The coastal strip studied was divided into sections of 200 m, obtaining the CVI on each one. The vulnerability of each variable was evaluated from 1 (Very low) to 5 (Very high) and the overall CVI was obtained. The higher values of CVI were detected in the urbanized areas (41% of the sections). Dune ridges serve as barriers to flooding and reduce erosion. A sufficient beach width and slope are crucial to preventing flooding during extreme weather events.

  • Keywords:
  • CVI,
  • Coastal vulnerability index,
  • Coastal erosion,
  • Shoreline,
  • Coastal management,
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José Ignacio Pagán

University of Alicante, Spain - ORCID: 0000-0002-2906-5604

Pablo Ortíz

University of Alicante, Spain - ORCID: 0000-0002-4406-0924

Isabel López

University of Alicante, Spain - ORCID: 0000-0002-5723-3046

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  • Anno di pubblicazione: 2024
  • Pagine: 784-793

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  • Anno di pubblicazione: 2024

Informazioni sul capitolo

Titolo del capitolo

Mapping coastal vulnerability against erosion along the Alicante coastline, Spain

Autori

José Ignacio Pagán, Pablo Ortíz, Isabel López

Lingua

Italian

DOI

10.36253/979-12-215-0556-6.68

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

eISBN (pdf)

979-12-215-0556-6

eISBN (xml)

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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