2024
DOI: 10.20944/preprints202403.0580.v1
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Atmospheric Sound Propagation Over Rough Sea: Numerical Evaluation of Equivalent Acoustic Impedance of Varying Sea States

Andrea Vecchiotti,
Teresa J. Ryan,
Joseph F. Vignola
et al.

Abstract: This work presents a numerical study on atmospheric sound propagation over rough water surfaces. A method to generate pseudorandom sea profiles consistent with sea wave spectra is presented. The proposed method is suited to capture the logarithmic nature of the energy distribution of the waves. Sea profiles representing fully developed seas for sea states 2, 3, 4 and 5 are generated from the Elfouhaily et al. (ECKV) sea wave spectra. Excess attenuation caused by refraction and surface roughness is predicted wi… Show more

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