岷江流域水质状况评价及变化趋势分析

通过岷江断面水质监测数据,利用内梅罗污染指数法进行水质评价,分析了2009—2013年岷江干流水质情况及其变化趋势。阐述了2013年岷江流域水质空间分布、月季变化情况。提出了流域水质污染防治建议。结果表明,岷江干流上游水质较好、中游较差、下游略有好转,体泉河等部分岷江支流水质较差。2013年全年来看,4—5月份水质较差,7—10月相对较好。

Evaluation of the Water Quality in Minjiang River and Analysis on its Variation Trend

Based on the monitoring data of water quality of sections in Minjing river, the situation of water quality and the variation trends of Mingjiang river mainstream from 2009-2013 were analyzed, the spatial distribution and the monthly change of water quality of Mingjing River in 2013 was clarified,the advices of pollution prevention and control measures of water qualities were proposed. The results showed that the water quality of the upper reaches of Minjiang river mainstream was good, the middle reaches water quality was poor and the water quality of the downstream was slightly better. The water qualities of some tributaries such as Tiquan River were seriously polluted. In 2013, the water quality was relatively poor from from April to May, the water quality from July to October was good, relatively.