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    Frequency dependence and intensity fluctuations due to shallow water internal waves

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    JASA_Badiey-2007.pdf (2.350Mb)
    Date
    2007-08
    Author
    Badiey, Mohsen  Concept link
    Katsnelson, Boris G.  Concept link
    Lynch, James F.  Concept link
    Pereselkov, Serguey  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/2478
    As published
    https://doi.org/10.1121/1.2722052
    DOI
    10.1121/1.2722052
    Keyword
     Underwater sound; Acoustic wave propagation; Acoustic intensity 
    Abstract
    A theory and experimental results for sound propagation through an anisotropic shallow water environment are presented to examine the frequency dependence of the scintillation index in the presence of internal waves. The theory of horizontal rays and vertical modes is used to establish the azimutal and frequency behavior of the sound intensity fluctuations, specifically for shallow water broadband acoustic signals propagating through internal waves. This theory is then used to examine the frequency dependent, anisotropic acoustic field measured during the SWARM'95 experiment. The frequency dependent modal scintillation index is described for the frequency range of 30–200 Hz on the New Jersey continental shelf.
    Description
    Author Posting. © Acoustical Society of America, 2007. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 122 (2007): 747-760, doi:10.1121/1.2722052.
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    • Applied Ocean Physics and Engineering (AOP&E)
    Suggested Citation
    Journal of the Acoustical Society of America 122 (2007): 747-760
     

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