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Suspended Sediment Budget in Gwangyang Bay through the Yeosu Sound

1991; The Korean Society of Fisheries and Aquatic Science; Volume: 24; Issue: 1 Linguagem: Inglês

2287-8815

Dae‐Choul Kim, Hyo-Jin Kang,

Coastal and Marine Dynamics

Suspended sediment budget in Gwangyang Bay was investigated using the data of suspended sediment concentration and vertical distribution of tidal currents at the mouth of the bay in the Yeosu Sound (Yeosu Haeman) . At the mouth of the bay suspended sediment concentration shows much higher value of approximately 17.80mg/l on the average near the bottom than the concentration near the surface where the average is 4.7mg/l. Tidal currents also show an asymmetry in magnitude between flood and ebb. Near the surface ebb is stronger than flood, while flood is stronger than ebb near the bottom. Due to the higher concentration and stronger flood current near the bottom, transport of suspended sediment near the bottom plays a major role to the sediment budget in the bay, and the bay is in net-depositional environment. The western part of the bay seems to gain the suspended sediment of approximately , which corresponds to a sedimentation rate of about 1.15m/1,000years.