Field Measurement of Fine Sediment Transport Process around Navigation Channel

The paper presents a set of observed sounding data which shows a tendency of siltation in the access channel for a port in a shallow muddy coast. The data shows the higher siltation rate at offshore part of the channel regardless of occurrence of disturbance by the wind waves. From the data monitored for 25 hours of current and suspended sediment distributions along the channel, apparent increase in the near bottom concentration of suspended sediment were observed around the offshore region of the channel. The high concentration event might be a potential source for the higher rate of siltation in the area. The sediment transport model has been developed for the study site and simulated the sediment transport process mainly dominated by the tidal current as a preliminary work for future study of the estimation of the channel siltation volume.