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September 10, 2025Open Access

Analysis of Multi-Decadal Shoreline Changes at Topocalma Beach (O’Higgins Region, Chile) Using Satellite Imagery

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Authors

WPWaldo Pérez-MartínezIUIdania Briceño de UrbanejaJVJoaquín Valenzuela-Jara

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Overview

Spatiotemporal analysis reveals persistent erosion and localized accretion at Topocalma Beach, suggesting impacts from seismic events and climate factors.

Key Points

  • The analysis shows persistent erosion in the proximal zone of Topocalma Beach, linked to seismic events.
  • Data indicates localized accretion in the southern segment, influenced by strong climate phenomena and storm surges.
  • The study utilizes satellite imagery to quantitatively assess shoreline variability over 39 years, from 1985 to 2024.
  • Implications for coastal resilience planning emerge, highlighting the beach's limited recovery capacity and the importance of monitoring tools.

Cite This Study

Pérez-Martínez et al. (2025) studied this question.

synapsesocial.com/papers/68c1bb6a54b1d3bfb60ed5d5https://doi.org/10.3390/engproc2025094016
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