【摘要】 为研究板桥河水质恶化的情况,以NH3-N、TP、CODcr特征污染物的理化指标为基础,针对板桥河水体沿程水质变化、历年年际水质变化、历年枯丰水期水质变化情况,从区域水质的空间、时间变化对板桥河水环境现状进行定性分析,采用单因子评价法和水质综合指数评价法进行水质评价。结果表明:NH3-N、TP是主要污染因子,CODcr是次要污染因子;生活污染、泵站排放是板桥河水环境恶化的重要点源污染。更多还原

【Abstract】 In order to study the situation of deterioration of water quality in Banqiao River,based on physical and chemical indicators of characteristic pollutants such as NH3-N,TP and CODcr,for the changes in water qualityalong the Banqiao River,the changes in water quality over the years,and the changes in water quality in dry and wetperiods in recent years,and the main pollution factors and river pollution sources were analyzed using single-factorassessment and comprehensive evaluation index method to evaluate water quality. The results showed that NH3-Nand TP are the main pollution factors,and CODcr is the secondary pollution factor;domestic pollution and pump sta-tion emissions are important point source pollutions for the deterioration of water environment of Banqiao River.更多还原