波浪作用可以侵蚀浪基面附近的三角洲前缘砂体，并在回流作用下携带至最大浪基面之下再沉积，沉积过程中形成小型浊积体。
The sediments of delta front around wave base plane are eroded by wave action and took along to redeposit below wave base plane, during which turbidite is formed.
如果波浪能量低，在三角洲与海交汇的地方就不会形成海岸障壁砂。
If the wave energy is weak coastal barrier sands do not form where the delta meets the sea.
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