Application of a parametric long term model concept to the Delray Beach nourishment program

Michele Capobianco, Huib J. de Vriend, Robert J. Nicholls, Marcel J.F. Stive

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    At scales larger than those where processes are well understood (:2: years), it is difficult to set up traditional process­based models. However, there is a growing demand for predictions of shoreline behaviour at these longer timescales, particularly for beach nourishment. Therefore, we are developing a framework based on parametric (behaviour-oriented) modelling which may be applied to areas where limited observations are available. With the present paper we examine the application of our concepts to a real world case, viz. the beach response at Delray Beach, Florida, to nourishment over a 20 year period. The problems of dealing with profile data are considered. The simple diffusion-based model we utilize cannot reproduce non-uniform behaviour. However if beach volume above a reference contour is considered, the model works well and predicts the erosive losses between renourishments quite effectively. Further improvements and application of the model is considered.
    Original languageEnglish
    Title of host publicationCoastal Dynamics '94
    Subtitle of host publicationProceedings Universitat Politècnica de Catalunya, Barcelona, Spain, February 21-25, 1994
    EditorsA. S.-Arcilla, Steve J.F. Marcel, Nicholas C. Kraus
    Place of PublicationNew York
    PublisherAmerican Society of Civil Engineers
    Number of pages11
    ISBN (Print)0-7844-0043-1
    Publication statusPublished - 5 Dec 1994

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