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  • Physical properties of turbulent benthic boundary layers generated by internal waves

    Author(s)
    Lemckert, Charles
    Antenucci, Jason
    Saggio, Angelo
    Imberger, Jorg
    Griffith University Author(s)
    Lemckert, Charles J.
    Year published
    2004
    Metadata
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    Abstract
    Physical properties of active turbulent benthic boundary layers (TBBL) generated by basin scale internal waves were studied within a Northern hemisphere thermally stratified lake. A microstructure profiler was used to measure the nature of the turbulence within the TBBLs while a series of thermistor chains were used to monitor the thermal structure of the lake. It was observed that a wind-driven anticlockwise diurnal-period vertical mode one Kelvin wave generated large scale motions within the water column, and that the interactions between this wave and the sloping lakebed induced TBBLs. A simple model, based on potential ...
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    Physical properties of active turbulent benthic boundary layers (TBBL) generated by basin scale internal waves were studied within a Northern hemisphere thermally stratified lake. A microstructure profiler was used to measure the nature of the turbulence within the TBBLs while a series of thermistor chains were used to monitor the thermal structure of the lake. It was observed that a wind-driven anticlockwise diurnal-period vertical mode one Kelvin wave generated large scale motions within the water column, and that the interactions between this wave and the sloping lakebed induced TBBLs. A simple model, based on potential energy change and boundary shearing, was shown to describe the mean TBBL thickness.
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    Journal Title
    Journal of Hydraulic Engineering
    Volume
    130
    Issue
    1
    Publisher URI
    https://ascelibrary.org/doi/10.1061/%28ASCE%290733-9429%282004%29130%3A1%2858%29
    DOI
    https://doi.org/10.1061/(ASCE)0733-9429(2004)130:1(58)
    Copyright Statement
    © 2004 American Society of Civil Engineers. Reproduced in accordance with the copyright policy of the publisher. This journal is available online - use hypertext links.
    Subject
    Civil Engineering
    Publication URI
    http://hdl.handle.net/10072/5160
    Collection
    • Journal articles

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