Hazard assessment in rock cliffs at Central Algarve (Portugal): a tool for coastal management

M. Nunes, O. Ferreira, Martin Schaefer, J. Clifton, Brian Baily, C. Loureiro

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Coastal hazards are in the interface of human activities with natural coastal processes. The conflicts arising from this relationship require new approaches suitable for coastal management that consider the dynamic of coastal areas. A method to assess hazard in rock cliffs is presented, combining cliff evolution forcing mechanisms along with protection factors, according to a weighted factors system. This method provides a rapid evaluation of vulnerability for cliffed areas, supporting coastal management and hazard mitigation. The method was applied to the rocky cliffs of the densely populated coastal zone between Galé and Olhos de Água (Southern Portugal), where high and very high hazard values were found to be dominant. A method validation was made using the vulnerability areas and the recorded mass movements over a 45 year period in the same area.
    Original languageEnglish
    Pages (from-to)506-515
    JournalOcean and Coastal Management
    Volume52
    Issue number10
    DOIs
    Publication statusPublished - Oct 2009

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