The relationship between sorting and skewness of beach sediment in bays indicates that the nature of beach sediment is similar to that of river sands.

• 海湾海滩沈积物淘选度与歪斜度的相关性指出沈积物之组织特徵与河床砂相近，显示陆源物质是控制海岸沈积物组成之主要因素。