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    PEBBLE BEACHES OF NW PORTUGUESE COAST: GENESIS AND SHORT-TERM MORPHODYNAMICS

    TitlePEBBLE BEACHES OF NW PORTUGUESE COAST: GENESIS AND SHORT-TERM MORPHODYNAMICS
    Publication TypeCommunications in National Conferences
    Year of Publication2015
    AuthorsGranja H., Pinho J. L. S., and Silva A.
    Abstract

    Between Lima and Cávado rivers, since the end of 80’s, a fast and progressive (from North to South) disappearance of sandy beaches and their replacement by gravel beaches have been observed. However, this phenomenon had already taken place before the Little Ice Age.

    The understanding of the gravel beaches morpho-sedimentar dynamics needs field experimentation. Belinho beach in Esposende was chosen for this study. Five field missions were carried out to know how morphological changes are related with hidrodynamic states. Several high precision topographic surveys with DGPS were done and their data processing through Arcgis software. Maps and 3D models of the beach were obtained allowing the observation of changes between campaigns.

    The short term study, during the spring of 2014, shows relative stability in the gravel beach of Belinho. The maximal altimetric variations during the whole period were about 1m and 0.5m during a tidal cycle.

     

    Conference NameVII Congresso Nacional de Geomorfologia
    Pagination91-97
    Date Published2015-10-08
    ISBN978-989-96462-6-1
    URLhttps://app.box.com/s/fy4z9o5y27n0wl1u25axxbn0l3dszqyt
    Keywordsmorpho-sedimentar dynamics, natural defence, pebble beaches
    RightsrestrictedAccess
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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    Centro de Território, Ambiente e Construção
    Escola de Engenharia da Universidade do Minho
    Campus de Azurém
    4800-058 Guimarães, Portugal

    Phone: + 351 253 510 200 (517 206)
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    Email: geral@ctac.uminho.pt


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