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Distribution and enrichment of heavy metals in surface sediments of Jiaozhou Bay

机译：胶州湾表面沉积物中重金属的分布与富集

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The pollution of Jiaozhou Bay was investigated by measuring the trace elements of surface sediments. Sediment samples were collected at 33 locations in Jiaozhou Bay in November 2003. The large-scale distribution pattern of metals in surface sediments showed elevated levels of Cd, Cr, Cu, Pb, Hg compared with values obtained in 1989. Concentrations of soil-related elements such as Al, Fe, Mn did not show a significant trend among sample groups. Crustal enrichment factors (EF) were calculated. The results showed that anthropogenic elements such as Zn, Pb, Cd, Cu, As, Hg, Cr were found to be highly enriched at river outfalls. The distribution of the metal species studied in surface sediments of Jiaozhou Bay appeared to be controlled by point sources from the sewage system.
机译：通过测量表面沉积物的微量元素来研究胶州湾的污染。在2003年11月在胶州湾的33个地点收集了沉积物样品。表面沉积物中的大规模分布模式表现出升高的Cd，Cr，Cu，Pb，Hg与1989年获得的值相比。与土壤相关的浓度诸如Al，Fe，Mn等元素没有显示样品组之间的显着趋势。计算出壳质浓缩因子（EF）。结果表明，发现人为元素如Zn，Pb，Cd，Cu，如Hg，Cr，在河道出口中高度富集。胶州湾表面沉积物中研究的金属物种的分布似乎通过来自污水系统的点来源控制。

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