深圳市主要饮用水水库水质的评价

采用标识指数法和污染指数法,评价和分析了深圳市13个主要饮用水库的水质状况。研究结果表明,深圳市饮用水库营养盐浓度较高,总氮和总磷超标的水库分别占92.3%和38.5%。按单因子评价法,石岩水库为Ⅴ类,深圳水库和罗田水库为Ⅳ类,梅林水库刚好达到Ⅱ类,其余水库为Ⅲ类。两种评价方法一致,而标识指数法不仅可以判断水质是否超标,而且能够确定水质具体类别,具有计算简单、分析结果直观等优点。

Water Quality Assessment of the Main Drinking Reservoirs In Shenzhen City

Identification index method and pollution index method are applied on water quality assessment of thirteen main drinking reservoirs in Shenzhen City.Research results show that,nutrient concentration of drinking reservoirs is high in Shenzhen.Among the 13 reservoirs,total nitrogen(TN)exceeded water quality standard accounted for 92.3%,and total phosphorus(TP)accounted for 38.5%.By single-factor assessment method,Shiyan Reservoir reaches up to Ⅴ class,and Shenzhen Reservoir and Luotian Reservoir up to Ⅳ class...