Joint CGS-AOML (Charting and Geodetic Service-Atlantic Oceanographic and Meterological Laboratory) Acoustical Bottom Echo-Formation Research 1: Literature Search and Initial Modelling Results

摘要

A literature survey has found work dealing with the problem of echo-formation for rough sedimentary bottoms. The main attempts at practical application have been at frequencies lower than those used for echo-sounding work. A model has been formulated that includes the effect of surface scattering and volume scattering in a unified manner. The model draws on biot theory, multiple scattering theory, and rough surface scattering. This model has been implemented on the AOML computer and exercised for a variety of bottom types and echo-sounding frequencies.