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In order to study the heavy metals pollution in the river channel of the city, this paper based on the results of the sediments detections of Anrongjing River in Taizhou, using the single pollution index method, the potential ecological risk index method, the cluster analysis method and other methods to evaluate the content, the degree of pollution, the distribution, ecological risk assessment, etc. of heavy metals. The results show that Cu, Zn, Pb and Cd in the sediments are seriously polluted. Viewed from the plane, the main pollution areas are the upstream, the two tributaries and the tributaries and main river crossings. Viewed from the vertical, the heavy metals pollution roughly decreases with increasing sediments depth. The results of heavy metals ecological risk assessment show that the potential ecological hazards of Cu and Cd are serious, the pollution of Cd and Cu in the source, the two tributaries and tributaries and main river crossings are the most serious.

Heavy Metals Pollution Characteristics and Ecological Risk Assessment of the Sediments of Anrongjing River in Taizhou City