Predicted scattering of sound by diffuse hydrothermal vent plumes at mid-ocean ridges


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dc.contributor.author Duda, Timothy F.
dc.contributor.author Trivett, D. Andrew
dc.date.accessioned 2008-11-06T17:18:53Z
dc.date.available 2008-11-06T17:18:53Z
dc.date.issued 1998-01
dc.identifier.citation Journal of the Acoustical Society of America 103 (1998): 330-335 en
dc.identifier.uri http://hdl.handle.net/1912/2572
dc.description Author Posting. © Acoustical Society of America, 1998. 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 103 (1998): 330-335, doi:10.1121/1.421092. en
dc.description.abstract Amplitude and phase fluctuations of monochromatic acoustic signals traveling through diffuse mid-ocean ridge hydrothermal vent plumes are modeled using existing theory in an attempt to find suitable frequencies and path lengths for plume monitoring. Weak-scattering solutions are evaluated numerically, with model parameters adjusted to match observed plume characteristics. Constraints required for weak-scattering solutions to be valid can be met for transmission ranges of 500–2000 m and frequencies of 20–80 kHz. Therefore, because fluid structure and scattering strength are more closely linked for weak scattering than for stronger scattering, inversion for fluid statistical properties may be possible, enabling diffuse vent monitoring. Such monitoring would be subject to geometric assumptions such as transmission entirely within a statistically homogeneous plume. Performance-limiting phase fluctuations have also been computed for a 13–17 kHz geodetic survey system. en
dc.description.sponsorship This work was supported by the Woods Hole Oceanographic Institution with research funds provided by the Mellon Foundation. 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/10.1121/1.421092
dc.subject Underwater sound en
dc.subject Oceanography en
dc.subject Acoustic wave scattering en
dc.subject Seafloor phenomena en
dc.title Predicted scattering of sound by diffuse hydrothermal vent plumes at mid-ocean ridges en
dc.type Article en
dc.identifier.doi 10.1121/1.421092

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