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    ASSESSING COASTAL MORPHODYNAMICS FOR CLIMATECHANGE RELATED RISK ANALYSIS

    TitleASSESSING COASTAL MORPHODYNAMICS FOR CLIMATECHANGE RELATED RISK ANALYSIS
    Publication TypeCommunications in International Conferences
    Year of Publication2018
    AuthorsBio A., Gonçalves J., Pinho J. L. S., Vieira L., Smirnov G., Iglesias I., and Bastos L.
    Abstract

    Coastal zones are highly dynamic land-ocean interfaces, exposed to numerous natural and man-made risks. In the scope of the MarRISK project (0262_MARRISK_1_E) a multi-disciplinary consortium (joining MeteoGalicia, APA, CETMAR, CIIMAR, IEO, IH, IIM-CSIC, INTECMAR, IPMA, LMAG, UAveiro, UMinho and UVigo) addresses several types of coastal risks, including erosion, overwash/overtopping and flood risks, aiming to support coastal management in the mitigation of climate-change related impacts in the Northern Portuguese and Galician regions.
    The present work focusses on coastal morphodynamics assessment using airborne platforms. It demonstrates how survey systems can complement each other to provide a comprehensive picture of coastal morphology and dynamics. Regional surveys were done from a small airplane, equipped with a digital high-resolution photogrammetric camera. This overall assessment was complemented with
    local surveys of highly dynamic beaches that showed particular vulnerability to coastal erosion. For these surveys unmanned aerial vehicles (UAVs), drones, with high-resolution mass-market cameras were used. The plane-based survey provided images and topography with 15 cm ground sampling distance (GSD). UAV-based surveys resulted in 2 cm to 4 cm GSDs, for flying heights of 60 m to 120 m. Photographs were processed using automatic photogrammetric methods to obtain Digital Elevation Models (DEMs) for the study region. Using historical surveys and the data obtained within the project, coastal dynamics was evaluated and related to coastal features (e.g. shoreline orientation, exposure/protection, beach type and slope) and to local wind and wave conditions, to evaluate vulnerabilities and infer possible climate-change effects on coastal morphology.

    Conference NameIMMR'18 | International Meeting on Marine Research 2018
    JournalFrontiers in Marine Science Journal
    Paginationq
    Date Published2018-07-05
    Conference LocationPeniche, Portugal, 5 Jul - 6 Jul, 2018
    ISSN2296-7745
    DOI10.3389/conf.FMARS.2018.06.00013
    URLhttp://www.immr.ipleiria.pt
    KeywordsCoastal risks, global change, North Portugal, Photogrammetry, Remote sensing
    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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