论文部分内容阅读
江苏省沿海有长达700多公里的海岸线,由于长江、淮河、黄河下泄的大量泥沙在海潮波浪和潮流的海洋动力作用下反复搬移,不断沉积,形成水下堆积物,使海岸逐渐外伸淤高,逐步形成陆地,产生新的滩涂,现有面积已近1000万亩。目前,从射阳县大喇叭口至如东县北部海岸,每年以5～6万亩的速度继续向东淤长延伸。东台县境内的海岸线以外,也有一大片水下辐射沙洲,俗称“五条沙”,这群沙洲面积达18000公里~2。由于
The coast of Jiangsu Province has a coastline of more than 700 kilometers. Due to the large amount of sediment released from the Yangtze River, Huaihe River and Yellow River, they are repeatedly moved under the action of ocean waves and tidal currents, and are continuously deposited to form submerged sediments, High silt, and gradually formed land, resulting in a new beach, the existing area of nearly 10 million mu. At present, from the large bell mouth of Sheyang County to the northern coast of Rudong County, it continues to extend eastward and longitude at an annual rate of 50,000 to 60,000 mu. Outside the coastline in Dongtai County, there is also a large area of underwater radiation sandbar, commonly known as “Five Sands,” with an area of 18,000 km2. due to