Abstract
Laboratory experiments of river mouth jets were performed to investigate the profiles of velocity and suspended sediment concentration, and the inceptive topography of fluvial-dominated river mouth terraces. The experimental results were found to show reasonably good agreement with the theory proposed by some of the authors. The experiments revealed that the sediment deposits on both sides of the jet axis if the suspended load is dominant, which had been predicted by the theory. It was shown in the experiments that river mouth terraces develop into elongate deltas under the condition of dominant suspended load, which appeared to be definitely different from deltas formed under the condition of dominant bedload.
