摘要
通过分析2019年盘锦市5个控制单元内6个监测断面的逐月水质数据,依据《地表水环境质量标准》(GB 3838—2002),采用单因子评价法和内梅罗综合污染指数法对各断面水质进行评价,对比2种评价结果,选择内梅罗综合污染指数法的结果作为最终评价结果。评价结果显示,辽河公园断面不存在污染问题,赵圈河断面、兴安断面以及三岔河断面尚未污染,曙光大桥断面及万金滩断面存在轻度污染。
Through the analysis of monthly water quality data of 6 monitoring sections in 5 control units in Panjin city in 2019,on the basis of the Environmental quality standards for surface water(GB 3838—2002),using the single factor evaluation method and Nemerow composite pollution index method to evaluate water quality of each section,compared to two kinds of evaluation results,choose the results of Nemerow composite pollution index method as the final evaluation results.The results show that there is no pollution problem in Liaohe Park cross section,Zhaoquan River cross section,Xingan cross section and Sancha River cross section have not been polluted,and Shuguang Bridge cross section and Wanjintan cross section have slight pollution.
出处
《环境保护与循环经济》
2021年第1期56-61,共6页
environmental protection and circular economy
基金
国家“十三五”水体污染控制与治理科技重大专项“辽河流域典型优控单元污染治理模式与工程应用课题”(2018ZX07601-002)。
关键词
水质评价
单因子评价法
内梅罗综合污染指数法
辽河
water quality evaluation
single factor evaluation method
Nemerow composite pollution index method
Liaohe river