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Evaluation of the scattering coefficient for high-frequency sound scattered from the sea surface

  • Ocean Acoustics and Underwater Sound
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Abstract

The effect of the deviation of the real rough sea surface from the Gaussian isotropic surface on the scattering coefficient of high-frequency sound is analyzed. The analysis relies on the data on the sea surface slopes, obtained from field experiments in the Black Sea with the use of a two-dimensional laser slopemeter. It is shown that the effect of the anisotropy of the surface wave field on the scattering coefficient is small when the angle of incidence is small, but this effect rapidly increases as the angle of incidence grows. The deviation of the real statistical moments of the sea surface slopes from those corresponding to the Gaussian distribution results in a ±20% error in the theoretical values of the scattering coefficient.

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Authors and Affiliations

  1. Marine Hydrophysical Institute, National Academy of Sciences of Ukraine, Kapitanskaya ul. 2, Sevastopol, Crimea, 99038, Ukraine

    A. S. Zapevalov

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  1. A. S. Zapevalov
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Correspondence to A. S. Zapevalov.

Additional information

Original Russian Text © A.S. Zapevalov, 2007, published in Akusticheskiĭ Zhurnal, 2007, Vol. 53, No. 5, pp. 687–694.

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Zapevalov, A.S. Evaluation of the scattering coefficient for high-frequency sound scattered from the sea surface. Acoust. Phys. 53, 603–610 (2007). https://doi.org/10.1134/S1063771007050119

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  • DOI: https://doi.org/10.1134/S1063771007050119

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