Distribution and pollution assessment of heavy metals in surface sediments in the Yellow Sea.
Distribution and pollution assessment of heavy metals in surface sediments in the Yellow Sea.
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DOI：
10.1016/j.marpolbul.2014.03.020
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发表时间：
2014-06
影响因子：
5.8
通讯作者：
Xin Jiang;Ankang Teng;Wenzhe Xu;Xiaoshou Liu
中科院分区：
文献类型：
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作者：
Xin Jiang;Ankang Teng;Wenzhe Xu;Xiaoshou Liu
采用电感耦合等离子体质谱法对2011年夏季和冬季黄海两次航行期间56个站点表层沉积物中的重金属浓度进行了分析。通过地累积指数和Hankanson潜在生态风险指数评估污染状况。南黄海中部和北黄海西部发现重金属浓度较高（除锰外）。靠近山东半岛的Mn含量较高。相关分析表明，Pb、Cu、Fe、Ni、Zn 和 Co 可能具有相同的来源，并受晶粒尺寸和总有机碳的控制。污染评估显示，除南黄海西北部和南部海域存在镉污染外，黄海大部分海域未受到或轻度污染。夏季黄海污染状况比冬季更严重。
Heavy metal concentrations in surface sediments at 56 stations during two cruises in the Yellow Sea in summer and winter, 2011 were analyzed by inductively coupled plasma-mass spectrometry. The pollution status was assessed via the Geoaccumulation index and Hankanson potential ecological risk index. Higher concentrations of heavy metals (except for Mn) were found in the central Southern Yellow Sea and the western Northern Yellow Sea. The higher contents of Mn were much closer to Shandong Peninsula. Correlation analyses indicated that Pb, Cu, Fe, Ni, Zn and Co probably had the same origin and were controlled by grain size and total organic carbon. Pollution assessment showed that most areas of the Yellow Sea were not or lowly contaminated with the exception of the northwest and south parts of the Southern Yellow Sea showing Cd-contamination. The pollution status of the Yellow Sea in summer was worse than that in winter.