Abstract
In 1965, some propagation loss and reverberation level measurements were performed under downward refraction conditions at a location south of Long Island. The reverberation levels measured during those trials are reduced to scattering strength values by considering the details of the propagation to and from the bottom, and the results are shown to be similar to those that Urick derived by ignoring the details of the propagation paths. The manner in which downward refraction conditions facilitate the measurement of bottom scattering strength values for shallow-water areas is also discussed.
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