海洋疏浚工程的环境影响及对策措施  

Influence of Marine Dredging on Environment and Environmental Protection Measures

作　　者：王海棠[1] 周勇华[1] 刘有刚[1] 

机构地区：[1]国家海洋局北海海洋工程勘察研究院,山东青岛266061

出　　处：《海岸工程》2014年第1期43-50,共8页Coastal Engineering

基　　金：神华黄骅港5万吨级重载双向航道工程环境影响评价项目

摘　　要：以黄骅港航道扩建项目为例,利用二维数值模型模拟分析了航道疏浚产生悬沙对水质的影响,并计算了项目产生悬沙对海洋生态环境的影响。经分析,黄骅港航道扩建项目使约376.1km2的海域水质环境受到悬沙的影响,造成约180t底栖生物、231t浮游动物、1 503t鱼卵和3 757t仔鱼损失。提出了"实现疏浚土的综合利用"、"提高施工效率,缩短施工期限"、"合理安排施工时间"、"对受损的海洋生物进行增殖放流"等措施,以降低航道疏浚工程施工期间对海洋环境的影响。The Channel Expansion Project at Huanghua Port is taken as an example and a two-dimensional numerical model is used for studying the influence of the suspended sediments resulted from dredging in deepwater channel at Huanghua Port on the water quality.According to the specification requirements,the effects of the suspended sediments resulted from the project on the marine ecological environment are also calculated and analyzed.The results indicate that the project has made the water quality and environment in about 376.1km2 areas be influenced by the suspended sediments,resulting in 180tof benthos loss,231tof zooplankton loss,1503tof fish egg loss and 3757tof fish fry loss.Therefore,a number of reasonable measures have been put forward,including actualizing comprehensive utilization of dredged soils,heightening the working efficiency and shortening the working time,making reasonable working plan,breeding and releasing the impaired halobios,and so on.

关 键 词：疏浚 悬沙 水质 海洋生态 

分 类 号：U616[交通运输工程—船舶及航道工程]