Acoustic response in a liquid overlying a homogeneous viscoelastic half-space

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Abstract
An analytical model is developed for use in marine sediment identification on the Continental Shelf. The effects of rigidity and internal energy dissipation are taken into account by treating the subbottom as a viscoelastic solid. The acoustic response due to a harmonic point source is computed using a Green function formalism. Expressions are given for the frequency-domain Green function for subcritical and supercritical incidence angles. The response is interpreted as the sum of direct, reflected, and refracted waves. Subject Classification: 20.30; 20.15.

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