Transverse structure of tidal and residual flow and sediment concentration in estuaries

摘要: An analytical and a numerical model are used to understand the response of velocity sediment distributions over Gaussian-shaped estuarine cross- sections changes in tidal forcing water depth. The estuaries considered here characterized by strong mixing relatively weak along-channel den- sity gradient. It is also examined under what conditions fast, two-dimensional flow yields results that agree with those obtained more complex three-dimensional model. an- alytical reproduces explains main ve- locity characteristics large parts parameter space (average amplitude, 0.1-1 m s −1 maximum depth,