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Heavy Metals in Sediments of Taizi River in Liaoning:Pollution Situation and Potential Ecological Risk

Zhao Xiao-juan

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Abstract

Samples were taken from the top-layer of sediment of Taizi River in Liaoning Province in order to measure and evaluate the pollution of heavy metals such as Cu,Pb,Cd and Zn in the river sediment.The geo-accumulation and potential ecological risk indices were employed in the evaluations relating to pollution levels and eco-risk.Results indicated that pollution level in so far as the above-mentioned four metals in descending order was CdZn≥CuPb;and potential eco-risk intensity in descending order was CdCu≈ZnPb.Consequently,cadmium was the primary among the heavy metals polluting Taizi River.

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What this paper is about

Samples were taken from the top-layer of sediment of Taizi River in Liaoning Province in order to measure and evaluate the pollution of heavy metals such as Cu,Pb,Cd and Zn in the river sediment.The geo-accumulation and potential ecological risk indices were employed in the evaluations relating to pollution levels and eco-risk.Results indicated that pollution level in so far as the above-mentioned four metals in descending order was CdZn≥CuPb;and potential eco-risk intensity in descending order was CdCu≈ZnPb.Consequently,cadmium was the primary among the heavy metals polluting Taizi River.

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Available abstract

Samples were taken from the top-layer of sediment of Taizi River in Liaoning Province in order to measure and evaluate the pollution of heavy metals such as Cu,Pb,Cd and Zn in the river sediment.The geo-accumulation and potential ecological risk indices were employed in the evaluations relating to pollution levels and eco-risk.Results indicated that pollution level in so far as the above-mentioned four metals in descending order was CdZn≥CuPb;and potential eco-risk intensity in descending order was CdCu≈ZnPb.Consequently,cadmium was the primary among the heavy metals polluting Taizi River.

Key concepts: Environmental science, Pollution, Sediment, Heavy metals, Cadmium, River pollution, Environmental engineering, Environmental chemistry

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