Frequency dependence and intensity fluctuations due to shallow water internal waves


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dc.contributor.author Badiey, Mohsen
dc.contributor.author Katsnelson, Boris G.
dc.contributor.author Lynch, James F.
dc.contributor.author Pereselkov, Serguey
dc.date.accessioned 2008-10-09T15:30:07Z
dc.date.available 2008-10-09T15:30:07Z
dc.date.issued 2007-08
dc.identifier.citation Journal of the Acoustical Society of America 122 (2007): 747-760 en
dc.identifier.uri http://hdl.handle.net/1912/2478
dc.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. en
dc.description.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. en
dc.description.sponsorship This work was supported by the Ocean Acoustics Program (321 OA) of the Office of Naval Research (ONR Grant No. N00014-01-1-0114 to UD and N00014-04-10146 to WHOI) and by the Russian Foundation for Basic Research (RFBR Grant No. 06-05-64853-a). en
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Acoustical Society of America en
dc.relation.uri http://dx.doi.org/10.1121/1.2722052
dc.subject Underwater sound en
dc.subject Acoustic wave propagation en
dc.subject Acoustic intensity en
dc.title Frequency dependence and intensity fluctuations due to shallow water internal waves en
dc.type Article en
dc.identifier.doi 10.1121/1.2722052

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