Abstract
Our capability to accurately predict suspended sediment concentration in the marine environment is relatively limited; generally, measuring techniques to obtain suspended concentration have been somewhat primitive. In recent years acoustics has been applied to the measurement of suspended sediments, and through a series of theoretical and experimental studies, a comprehensive description of the interaction of sound with suspensions of marine sediments has been developed. In the present work these developments have been applied to obtain detailed acoustic profiles of suspended sediment concentration under waves in a large-scale flume facility. Utilizing the acoustic concentration profiles, an assessment of suspended sediment models for predicting sediment concentration has been conducted, and the underlying intrawave mechanisms of sediment entrainment investigated.
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