Visual Investigation of Field Bed-Load Samplingby Moustafa T. K. Gaweesh, Hydraulics and Sediment Research, Inst, Delta Barrage, Egypt,
Abstract: An instrument for bed load sampling was developed consisting of an underwater video camera for visual observations. This instrument is called the Delft-Nile sampler and its design, efficiency and measuring procedure will be discussed. The different types of the bed load sampling and characteristics are also described.
Subject Headings: Bed loads | Imaging techniques | Cameras | Field tests | Sediment loads | Sediment transport | Particles | Particle pollution
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