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- W2386904051 abstract "This study aims to discuss the pollution characteristics and potential biological toxicity risk of Hg,Cd,Cr,As and Pb in the surficial sediments of 12 sections in the Second Songhua River,Songhua River and the other four representative tributaries using the Geo-cumulative index model(Igeo) and the Consensus-Based Sediment Quality Guidelines(CBSQGs).The results show that:1 average concentrations for heavy metals decrease by the order of CrPbAsCdHg;and the heavy metals enrich for a certain extent except for Hg while the enrichment coefficient is not larger than 1.2;2 the Igeo reveals slight heavy metals pollution which demonstrates no pollution or no-to-light pollution,while the slight pollution by Cr and As only appeares in the section of No.10.3 Significant correlations are examined between Cr and As,Cr and Pb,As and Pb with a Pearson correlation coefficient of 0.896,0.708,0.639,respectively.This correlations reveal that Cr,As and Pb probably have similar sources.4 the ∑TUs of each section is lower than 1.8and its order for different heavy metals from high to low is CrCdPbAsHg." @default.
- W2386904051 created "2016-06-24" @default.
- W2386904051 creator A5010299185 @default.
- W2386904051 date "2014-01-01" @default.
- W2386904051 modified "2023-09-23" @default.
- W2386904051 title "Assessment on the potential biological toxicity risk of toxic heavy metals in the surficial sediments of Songhua River" @default.
- W2386904051 hasPublicationYear "2014" @default.
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