Spectral wave-turbulence decomposition

Jeremy D. Bricker, Stephen G. Monismith

    Research output: Contribution to journalArticlepeer-review

    64 Citations (Scopus)

    Abstract

    A new method of wave-turbulence decomposition is introduced, for which the only instrument required is one high-frequency pointwise velocity sensor. This is a spectral method that assumes equilibrium turbulence and no wave-turbulence interaction. Nonetheless, laboratory and field experiments show that the new method produces results in good agreement with the results of established wave-turbulence decomposition methods. Therefore, this spectral method proves useful when neither a synchronized wave gauge, nor a second velocimeter, is available. Furthermore, this study indicates that uncertainty in velocimeter probe orientation is responsible for most of the wave bias occurring in turbulent velocity data, so that an accurate measurement of this orientation makes wave-turbulence decomposition unnecessary.

    Original languageEnglish
    Pages (from-to)1479-1487
    Number of pages9
    JournalJournal of Atmospheric and Oceanic Technology
    Volume24
    Issue number8
    DOIs
    Publication statusPublished - 2007 Aug

    ASJC Scopus subject areas

    • Ocean Engineering
    • Atmospheric Science

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