The results showed: As long as taking reasonable measures,we can guarantee the water inlet of convex bank fetch top layer clear w.

For some small hydropower stations,the water intake has to be arranged on the convex bank given special topographic and geological conditions,and the problem of water diversion and sediment control is on the top priority to be solved.

In this paper, the natural and man made disasters of sandy coast complex at home and abroad are analysed and discussed, and the research items that shall be carried out in this field and the prevention technique are also proposed.

Introduction to five classic and advanced series of coastal and ocean engineering;