厦门岛东南部海岸演变与泥沙输移

Coast evolution and sand transportation in east-southern Xiamen Island

通过海岸地貌调查、沉积物分布、岸线对比、沿岸输沙率计算等手段 ,分析研究了厦门岛东南部海岸海滩的演变特征 .认为厦门岛东南部海岸的沿岸净输沙方向是由东北向西南 ,由东向西 ;黄厝湾中北部存在反向输沙 .文中划分了中 强侵蚀海岸、中侵蚀海岸、中 弱侵蚀海岸、弱侵蚀海岸、弱淤积海岸和不确定海岸等 6种类型 .人工采沙是引起海岸侵蚀的最重要因素之一 .

By means of coastal morphology and sediment investigation, shore change and littoral sand transportation rate calculation et al., characteristics of beach evolution in east southern Xiamen Island were analyzed and studied. It is announced that the direction of net littoral sand transportation is from east north to west south and from east to west. Coast hereof is divided into 6 types, which are serious erosion type, mild serious erosion type, mild erosion type, slight erosion type, slight deposit type and undefined type. Moreover, sand mining was defined as one of the most important factors for coast erosion.[WT5F1]