摘要
对4种河流水质评价方法进行对比研究。采集槐荫河6个断面水样,测定了河水中的溶解氧、CODMn、NH3-N、TN、TP 5项反映水质的指标。选择单因子指数评价方法、综合污染指数评价方法、综合水质标识指数评价方法、水质指数评价方法对水质进行分析评价。对比分析评价结果得出,综合水质标识指数评价方法采用定性和定量相结合,适用范围广,结果直观,是比较实用的评价方法;水质指数评价法,综合了各种方法的优点和实用性,可应用于不同水体不同时期的对比评价,既能判定水质类别,又能找出最大污染因子,应加以推广。
In this study,water samples of six cross sections from HuaiYin River are gathered,and 5indicators reflecting the water quality,namely DO,CODMn,NH3-N,TN and TP,are measured.The water quality is assessed by using the methods including single factor index evaluation method,comprehensive pollution indexes evaluation method,comprehensive water quality identification indexes evaluation method and water quality index evaluation method.From the contrast analysis of appraisal result,it can be concluded that the comprehensive water quality identification indexes evaluation method uses qualitative and quantitative combination,is simple,clear,and a quite practical assessment method;while the water quality index evaluation method considers the advantage and the practicality of other methods,can be used for comparative evaluation of different water bodies in different time,and can not only determine the water quality categories,but also find out the biggest pollution factors,so it should be promoted.
出处
《节水灌溉》
北大核心
2015年第5期46-48,51,共4页
Water Saving Irrigation
基金
湖北省教育厅重点项目(D20132703)
特色果蔬质量安全控制湖北省重点实验室项目(2014K12)
关键词
河流水质
水质评价方法
水质评价方法比较
rivers water quality assessment method comparative analysis of methods for water quality assessment
