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During the experiments, the suspended sediment concentration is measured by an optical probe (OSLIM). The erosion tests are performed on a sediment layer. The erosional behaviour of each sediment is determined by increasing the bed shear stress in successive steps until bottom sediment will ressuspend. The deposition tests consists of an initial mixing period followed by successive steps in which the bed shear stress is lowered until sediment in suspension starts to settle. |
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