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Abstract
The concentrations of 12 heavy metals (Cr, Co, Ni, Cu, Zn, Ga, Mo, Sn, Sb, Tl, Pb, Bi) in the marine near‐shore sediment cores of the Yellow Sea, China were investigated. Core A sediments had significantly lower concentrations of heavy metals than those of both Cores B and C according to the Bonferronic multiple comparison method. Based on multivariate statistic approaches (factor analysis and cluster analysis), two factors were identified controlling the heavy metal variability in the sediments. The enrichment factor (EF) and geo‐accumulation index (I geo) indicated Sb contamination from three sediment cores in this study area.
Acknowledgement
The authors acknowledge the work of anonymous reviewers whose comments and suggestions greatly improved the quality of this manuscript. This material is based upon work supported by the National Natural Science Foundation of China (20977040 and 40746030) and Natural Science Foundation of HHIT (Z2008026).