Abstract
In this paper Yuan River was taken as an example of the southern river, and Taizi River was an example of the northern river. Based on the contents of ammonia nitrogen, total nitrogen, total phosphorus and COD in the sediments, the distribution of pollutants in the sediments along the Yuan River and Taizi River were analyzed; When the pollutant contents of individual sections were particularly higher, the pollution sources were studied; Through the contrast of pollutants contents in sediments between Yuan River and Taizi River, the contents of Taizi River were higher 2-5 times than Yuan River. Then the causes were summarized from temperature,hydrological condition, discharge of industrial and domestic wastewater and sand contents.
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