The motion of an internal solitary wave of depression over a fixed bottom boundary in a shallow, two-layer fluid

M. Carr, P.A. Davies

    Research output: Contribution to journalArticlepeer-review

    35 Citations (Scopus)

    Abstract

    The motion of a large-amplitude internal solitary wave of depression over a fixed bottom boundary in a shallow, two-layer fluid is investigated experimentally. Measurements of the velocity fields close to the bottom boundary are presented to illustrate the generation of an unsteady boundary jet along the bed. The formation of the jet, the structural characteristics of which show striking similarities with those predicted by recent numerical model studies by Diamessis and Redekopp [J. Phys. Oceanogr. (in press)], is attributed to boundary layer separation in the adverse pressure gradient region of the wave-induced flow.
    Original languageEnglish
    JournalPhysics of Fluids
    Volume18
    Issue number1
    DOIs
    Publication statusPublished - 2006

    Keywords

    • Solitons
    • Stratified flow
    • Boundary layers
    • Flow instability
    • Jets
    • Flow separation

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