Long-term beach profile variations under wave and wind actions

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    Wave and wind impacts on long-term backshore profile variations were evaluated through field observations of daily beach profile and wave, tide, and wind conditions at an open-ocean dissipative beach in Japan from 1988 to 1997. Indices of wave and wind impacts were defined by wave run-up level and wind-driven sand transport rate, respectively. The results show that long-term beach profile variation was related to wave run-up rate defined by the fraction of time that the wave run-up level exceeds the bed elevation. The wave impact on backshore profile could not be ignored where the wave run-up rate was larger than 0.4%. Wave-induced accretion during extreme event due to low pressure system is a significant factor of the backshore sedimentation.

    Original languageEnglish
    Title of host publicationRiver, Coastal and Estuarine Morphodynamics
    Subtitle of host publicationRCEM 2007 - Proceedings of the 5th IAHR Symposium on River, Coastal and Estuarine Morphodynamics
    Pages79-84
    Number of pages6
    Publication statusPublished - 2008 Dec 1
    Event5th IAHR-Symposium on River, Coastal and Estuarine Morphodynamics, RCEM 2007 - Enschede, Netherlands
    Duration: 2007 Sep 172007 Sep 21

    Publication series

    NameRiver, Coastal and Estuarine Morphodynamics: RCEM 2007 - Proceedings of the 5th IAHR Symposium on River, Coastal and Estuarine Morphodynamics
    Volume1

    Other

    Other5th IAHR-Symposium on River, Coastal and Estuarine Morphodynamics, RCEM 2007
    Country/TerritoryNetherlands
    CityEnschede
    Period07/9/1707/9/21

    ASJC Scopus subject areas

    • Ecology
    • Environmental Engineering

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