| 东江流域表层沉积物中重金属污染评价 |
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| 引用本文： | 吴锦涛,周岩梅.东江流域表层沉积物中重金属污染评价[J].环境科学与技术,2011(Z2):349-351,361. |
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| 作者姓名： | 吴锦涛 周岩梅 |
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| 作者单位： | 北京交通大学市政与环境工程系 |
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| 基金项目： | 中国科学院知识创新工程重要方向项目—东江流域水体化学品污染调控技术与对策的初步探讨:(KZCX2-YW-Q02-01-4) |
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| 摘 要： | 为了掌握东江流域广东段表层沉积物中重金属的污染水平,研究了35个沉积物样品中13种重金属的污染特征,利用地累积指数法、潜在生态风险评价法评价了重金属的污染程度和生态风险。地累积指数法评价结果表明:Cu、Zn、Mn、V、Cd已造成一定程度的污染,Pb、Cr、Ba、Hg、Co、Ni、Se、Tl基本无污染。潜在生态风险评价结果表明:Cu、Zn、Mn、Cd已造成一定程度的污染。Pb、V、Cr、Ba、Hg、Co、Ni、Se、Tl基本无污染。除V外,其余重金属污染程度评价结果基本一致。
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| 关 键 词： | 东江 沉积物 重金属污染 地累积指数法 潜在生态风险评价法 |
Pollution and Assessment for Heavy Metals in Sediments of Dongjiang River |
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| WU Jin-tao,ZHOU Yan-mei.Pollution and Assessment for Heavy Metals in Sediments of Dongjiang River[J].Environmental Science and Technology,2011(Z2):349-351,361. |
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| Authors: | WU Jin-tao ZHOU Yan-mei |
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| Institution: | (Department of Municipal and Environmental Engineering,Beijing Jiao Tong University,Beijing 100044) |
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| Abstract: | By analyzing the contents of seven heavy metals in the sediments of Dongjiang River in 2009,the pollution and ecological risk for heavy metals in sediments were assessed.This article adopted two methods,index of geo-accumulation and potential ecological risk index,respectively,to estimate the quality status of these heavy metals.The results showed that Dongjiang was polluted by the heavy metals Cu、Zn、Mn、V、Cd.The sequence of heavy metals pollution degree was Hg>Cu>Zn>Cd,and the heavy metals Pb、Cr、Ba、Hg、Co、Ni、Se and Tl were low polluted. |
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| Keywords: | heavy metals Dongjiang Rivre sediment index of geoaccumulation potential ecological risk index |
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