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131. ACOUSTICAL OBSERVATIONS OF VELOCITY AND SUSPENDED SEDIMENT STRUCTURES DUE TO OSCILLATORY FLOW OVER A RIPPLED BED
Preview AbstractAcoustic measurements of the flow, suspended sediments and bedforms were collected under regular waves above a sandy bed in a large scale flume facility. The objective of the study was to obtain simultaneous collocated near bed profiles of the horizontal and vertical flow and the suspended concentration, as bed forms changed due to increasing wave height. To obtain the measurements a recently developed dual frequency acoustic Doppler velocity profiler was deployed to provide concurrent measurements of the hydrodynamics, the entrained sediments and the location of the bed. Here we present some of the preliminary results from the study.