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推移质与海水中悬移质数量之多寡及其随潮流的运动规律,对于研究海岸变迁及港湾冲淤是非常重要的因素。正在兴建的石臼大港位于山东省日照县石臼所,将是我国第一个10万吨级以上的大港和重要的煤炭出口基地。研究港区附近悬移质与推移质运动规律,是保证航道畅通的重要问题。港区管理部门必须了解航道中每年的可能淤积量,以便决定安全航行时间尺度、挖泥船的吨位和设备。更为重要的是,大风能否使航道骤淤。
The quantity of suspended matter and its movement along with tidal current in bedrock and seawater are very important factors for studying the change of coast and the scouring of harbor. Shijiu Dagang, which is under construction, is located in Shijiu, Rizhao County, Shandong Province. It will be the first major port of over 100,000 tons in China and an important coal export base. Studying the law of movement of suspended matter and active matter near the port area is an important issue to ensure the smooth passage. Minato administration must understand the annual amount of siltation in the waterway to determine safe sailing time scales, dredgers’ tonnage and equipment. More importantly, whether strong winds can cause sudden siltation of the waterway.