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    Tidal dynamics and dispersion around coastal headlands

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    Signell_Thesis (7.228Mb)
    Date
    1989-09
    Author
    Signell, Richard P.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/1822
    Location
    Gay Head, MA
    DOI
    10.1575/1912/1822
    Keyword
     Tidal currents; Coasts 
    Abstract
    The dynamics of shallow tidal currents and tide-induced dispersion are investigated around coastal headlands that have alongshore length scales that are comparable to or less than the tidal excursion. Depth-averaged shallow water equations forced by oscillatory flow are solved numerically for Gaussian headlands. The tidal flows around these headlands are shown to be characterized by flow separation and. transient eddy formation. Idealized models of flow separation and the transport and damping of vorticity away from the headland explain much of the observed behavior. The characteristics of the separated wake are compared with known results from the study of viscous flow around bluff bodies. The kinematics of particle dispersion in the numerical solutions is described and analyzed.
    Description
    Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution September 1989
    Collections
    • Applied Ocean Physics and Engineering (AOP&E)
    • WHOI Theses
    Suggested Citation
    Thesis: Signell, Richard P., "Tidal dynamics and dispersion around coastal headlands", 1989-09, DOI:10.1575/1912/1822, https://hdl.handle.net/1912/1822
     

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