大沽河干流青岛段纳污能力及排污总量控制分析

在分析了大沽河干流青岛段水质现状的基础上，指出该研究区域的主要污染物为COD、NH3-N。根据其水域功能类别的水质标准，并且根据大沽河在枯水期没有流量的具体情况，在此时段把大沽河概化为多个坝上水库组成．利用水库水质模型计算水体纳污能力；在丰水期和平水期，利用河流水质模型计算水体纳污能力。在此基础上提出了大沽河干流青岛段COD（化学需氧量）、NH3-N（氨氮）的总量控制方案，对超过允许纳污量的河段要进行削减，使削减后的污染源排放的污染物达到排放标准。最后针对大沽河污染的实际情况，提出了保证总量控制目标实施的具体措施以及污染物防治的对策和建议，为该水域水资源保护和管理提供依据。

The Total Amount Control and the Water Environmental Capacity of Water Pollution in Qingdao Section of Dagu River

On the basis of the analysis of the characters of the water quality of Qingdao section of Dagu River,the main pollutants,COD(Chenmical Oxygen Demand) and NH_3-N(ammonia),of the research area were designated.According to the water quality standard of the function of water body and the specific condition of Dagu River that there was no flow in dry season, Dagu River was regarded as many reservoirs in this period and its environmental capacity was calculated by the models of reservoirs, while the environmental capacity during non-dry seasons was calculated by models of rivers.On the basis of this, the total amount control of water pollutants, COD and NH_3-N,was put forward.And the sections that surpass the water environmental capacity must be cut down so that the pollution drainage from the pollution points can reach the water quality standard.And finally,for the special condition of Dagu River, the concrete measures to guarantee the implementation of the total amount control were put forward, and so were the strategies and advices for the water resource protection and management of this water (area.)