抄録
In estuaries, mixture of seawater creates unique water environment. After a flood, observations of water quality in the river mouth were conducted in order to understand the vertical distribution of suspended solid in the seawater mixing layer. At the upper part of mixing layer, suspended solid concentration is higher than at the lower part of mixing layer. There is a correlation suspended solid diameter and salinity. Suspended solid concentration increases from upstream to lower stream during low tide.
The concentration distribution model including diameter distribution model could reproduce the concentration distribution of suspended solid in salt water mixing layer.
