| The transport and establishment of seeds during floods contributes to our understanding of seed disper-sal processes in riverine environments and provides important insights that form the basis of ecological research. However, the phenomena occurring during the establishment process remain unclear. This study conducted experiments on the flow over an oblique drop, modeled after the leading edge of a sandbar, to investigate the turbulent structures and the behavior of floating seeds. Particle image veloci-metry (PIV) measurements were employed to visualize the flow and turbulent structures near the shear boundary layer caused by the drop. Furthermore, in seed transport experiments, the trajectories of tracked seeds were compared with PIV measurement results to examine the effects of flow field changes induced by the drop on seed transport mechanisms. |
