基于海洋保护需求的水质目标确定方法探讨——以小清河为例  

Research on the Method of Determining the Water Quality Target of Xiaoqing River Based on Marine Protection Needs

作　　者：于晓霞[1,2] 梁金辉 杨雪娜 张启超 李爱华 梁生康 Yu Xiaoxia;Liang Jinhui;Yang Xuena;Zhang Qichao;Li Aihua;Liang Shengkang(Ocean University of China,Qingdao 266100,China;Shandong Academy for Environmental Planning,Jinan 250101,China)

机构地区：[1]中国海洋大学,山东青岛266100 [2]山东省生态环境规划研究院,山东济南250101

出　　处：《中国海洋大学学报（自然科学版）》2023年第6期95-102,共8页Periodical of Ocean University of China

基　　金：国家重点研究发展计划项目(2018YFC140/604)资助。

摘　　要：本文通过构建小清河河口区水质数学模型并进行了验证,建立了河海水质关联关系,基于多情景对两种理论方案进行了分析。建议结合地表水考核位置和考核目标、混合区边界近岸海域环境功能区目标要求,近期将河口混合区作为单独的水体类型进行管理,并逐步提高入海河流断面水质要求,实现由地表水到近岸海域水质的过渡和有效衔接,远期根据陆源总氮减排要求,逐步取消河口混合区。The estuary area of rivers entering the sea is a mixed area of surface water and sea water.Due to its special geographical characteristics,the water quality evaluation results of the estuary area can’t reflect the main responsibility of the water quality target objectively.Therefore,the article establishes the relationship between river and sea water quality,and select the better scheme based on multiple scenario analysis and argumentation,according to build and validate a mathematical model of water quality in the Xiaoqing River estuary area.Finally considering the assessment location and targets of surface water,we suggest that choose the estuary mixed area as a separate water body type,and improve the water quality requirements of river sections entering the sea gradually in the near future.In the long term,according to the requirements of land-based total nitrogen emission reduction,the estuarine mixed area will be eliminated gradually.It will realize the transition and effective connection from surface water to offshore water quality.

关 键 词：陆海统筹 入海河流 混合区 水质目标 

分 类 号：X5[环境科学与工程—环境工程]