广州市白云湖2013～2017年水质分析与评价

Water Quality Analysis and Evaluation of Baiyun Lake in Guangzhou during the Past 2013～2017 Years

白云湖是目前广州最大的人工湖,分东湖和西湖两部分,根据白云湖2013~2017年水质监测资料,参照《地面水环境质量标准》(GB3838-88),采用内梅罗污染指数分析法,结合白云湖富营养状态,对白云湖水质进行分析与评价。评价结果表明:(1)白云湖水体主要污染物是氨氮、总磷、总氮,水体处于重污染或严重污染状态,水质类别为劣Ⅴ类。(2)在富营养化评价方面,白云湖处于轻度富营养或中度富营养水平。

Baiyun Lake is the largest artificial take in Guangzhou at present. It is divided into two parts of East Lake and West Lake. According to the water quality monitoring data of Baiyun Lake for 2013-2017 years, the Nemero pollution index analysis method is used to evaluate the water quality of Baiyun Lake according to the environmental quality standard of the surface water （GB3838-88）. The results show that： （1） The main pollutants in Baiyun Lake water body are ammonia nitrogen, total phosphorus and total nitrogen, the water body is in the state of heavy pollution or serious pollution, and the water quality category is inferior v. （2） In terms of eutrophication evaluation, Baiyun Lake is at the level of mild eutrophication or moderate eutrophication.