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本文对南广河水体中的砷镉铅铬含量分布特征进行了描述，并探讨了南广河的水质质量。结果表明：南广河从上游到下游水体中污染物含量为增大趋势；在时间上也存在一定的变化，枯水期水体中污染物含量高于平水期和丰水期。目前南广河综合水质质量可满足Ⅱ类水质标准要求。
This paper describes the distribution characteristics of arsenic, cadmium, lead and chromium in the Nan Guang River water body and discusses the water quality of the Nan Guang River. The results showed that the pollutant content of NanGuang River increased from upstream to downstream, with some changes in time. The content of pollutants in the water body in dry season was higher than that in flat water and wet season. At present, Nan Guang comprehensive water quality can meet the requirements of water quality standards.