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Shoreline detection by applying semiautomatic algorithms for hyperspectral and multispectral satellite imagery on the beaches of the Gulf of Oristano (Sardinia, Italy)

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

Coastal areas are influenced by natural processes and human activities and require effective monitoring tools to understand their dynamic evolution. This study utilizes satellite imagery and semi-automatic shoreline extraction algorithms (CoastSat and SAET) to assess coastal erosion in the Gulf of Oristano over long-term and short-term periods. The algorithms' performance was validated using PRISMA and Sentinel-2 imagery, alongside RTK-GNSS surveys acquired during ASI OVERSEE project fieldwork. The field site beaches vary in exposure due to their positions, and their morphologies are influenced by the presence of Posidonia oceanica banquettes. A one-year analysis focused on Arborea Beach, where periodic Posidonia banquettes affect the accuracy of Satellite-Derived Shorelines (SDSs). The study shows the beach's susceptibility to storm surges, evidenced by significant erosion after a major storm in March. Despite algorithmic limitations, automated shoreline extraction allows efficient temporal analysis. This research evidences the role of advanced algorithms in precise coastal monitoring, offering crucial insights into erosion dynamics and supporting effective mitigation strategies.

  • Keywords:
  • Coastal dynamics,
  • CoastSat,
  • SAET,
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Sabrina Terracciano

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

Juan Montes-Pérez

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

Riccardo Brunetta

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

Paulo Cabrita

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

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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  • Publication Year: 2024
  • Pages: 815-827

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  • Publication Year: 2024

Chapter Information

Chapter Title

Shoreline detection by applying semiautomatic algorithms for hyperspectral and multispectral satellite imagery on the beaches of the Gulf of Oristano (Sardinia, Italy)

Authors

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

Language

Italian

DOI

10.36253/979-12-215-0556-6.71

Peer Reviewed

Publication Year

2024

Copyright Information

© 2024 Author(s)

Content License

CC BY-NC-SA 4.0

Metadata License

CC0 1.0

Bibliographic Information

Book Title

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

Book Subtitle

Livorno (Italy) 11th-13th June 2024

Editors

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

Peer Reviewed

Publication Year

2024

Copyright Information

© 2024 Author(s)

Content License

CC BY-NC-SA 4.0

Metadata License

CC0 1.0

Publisher Name

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

Series Title

Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques

Series E-ISSN

2975-0288

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