华南海岸漫长,岸线曲折,港湾众多。解放后随着各项建设事业的发展,许多港口和港湾都得到了不同程度的开发和利用。港口开发建设中经常遇到的一个令人忧烦的问题是泥沙淤积问题。其中大量出现的、最主要的是入海口拦门沙淤浅妨碍船舶进出港口以及航道、港 South China coast long, twists and turns coastline, harbor many. After the liberation with the development of various construction projects, many ports and harbors have been developed and utilized in varying degrees. One of the most troubling problems often encountered in the development and construction of a port is the problem of sedimentation. A large number of them, the most important thing is that the estuarine barges shallowly hamper the ship entering and leaving the port as well as the waterway and harbor