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Groynes

  • Knowledge partner
    Country of registration
    Netherlands
    Relation to CTCN
    Network Member
    Sector(s) of expertise
    Coastal zones
    Infrastructure and Urban planning
    Water

    DELTARES is an independent institute for applied research in the field of water, subsurface and infrastructure.

  • Technology

    Earlcote Construction has comprehensive capabilities enabling them to deliver a wide range of services  including highly challenging projects. Their well established team bring with them a wealth of experience and capability, gained from over 30 years of working in all areas of construction. Historically, the main area of operations has been in civil engineering.

  • Publication date
    Objective

    To access the full technology description, please refer to the Document link above

    Summary:

    Groynes are narrow, shore-perpendicular hard structures designed to interrupt longshore sediment transport by trapping a portion of the sediment that would otherwise be transported alongshore. By doing so, groynes help to build and stabilize the beach environment. Groynes are generally solid, durable structures and are considered a hard-engineering protection measure.

  • Publication date
    Objective
    Approach

    This guide on adaptation options is aimed at local decision-makers on the coastal regions of west Africa and takes the form of a series of fact sheets, each including methods of implementation, positive and negative case studies and estimated costs. It first reviews what is already known about climate change and coastal erosion, before describing the regions (Mauritania, Senegal, The Gambia, Guinea Bissau and Cape Verde) and their respective challenges, the importance of adaptation and the responsibilities of local decision-makers.