秀山锰矿区梅江河沉积物重金属含量及污染特征

doi:10.3969/j.issn.1674-0696.2011.04.031

重庆交通大学学报（自然科学版） ›› 2011, Vol. 30 ›› Issue (4): 843-847.DOI: 10.3969/j.issn.1674-0696.2011.04.031

秀山锰矿区梅江河沉积物重金属含量及污染特征

曾青¹，杨清伟¹，刘雪莲¹，李金甫²，许媛¹

1. 重庆交通大学河海学院，重庆400074; 2. 重庆朝阳气体有限公司，重庆400081

收稿日期:2011-01-12 修回日期:2011-05-09 出版日期:2011-08-15 发布日期:2015-01-22
作者简介:曾青(1986—)，女，重庆人，硕士研究生，主要研究方向是自然地理学环境地学。E-mail:zengqing861226@126.com。
基金资助:
国家自然科学基金项目(40871222);重庆市自然科学基金项目(CSTC，2009BA7029，2006BB7424);重庆市教委项目(KJ060412，050410)

Concentration and Pollution Character of Heavy Metals in Sediments from Meijiang River in Xiushan Manganese Mine Area

ZENG Qing¹，YANG Qing-wei¹，LIU Xue-lian¹，LI Jin-fu²，XU Yuan¹

1. School of River ＆ Ocean Engineering，Chongqing Jiaotong University，Chongqing 400074，China; 2. Chongqing Zhaoyang Gas Co. ，Ltd. ，Chongqing 400081，China

Received:2011-01-12 Revised:2011-05-09 Online:2011-08-15 Published:2015-01-22

摘要/Abstract

摘要： 采用污染负荷指数法和潜在生态风险评价法，分析评价了重庆秀山梅江河秀山城区段沉积物中重金属Mn、 Pb、Cu、Zn、Cr、Cd 的表层及剖面分布和污染特征。研究表明: 表层沉积物中重金属含量大小顺序为Mn ＞＞ Zn ＞ Pb ＞ Cu ＞ Cr ＞ Cd，剖面中Zn、Cu 随深度增加而降低，其余元素规律不明显; 研究区域重金属污染属于强度污染等级且存在严重等级的潜在生态风险。

关键词: 沉积物, 重金属, 污染特征

Abstract: Two evaluation methods，including the Pollution Load Index ( IPx ) and the Potential Ecological Risk ( RI ) ，were adopted to analyze surface and profile distributions and pollution character of heavy metals ( Mn、Pb、Cu、Zn、Cr and Cd) in sediments in Xiushan section of Meijiang river． The results show that the concentrations of these six metals in the surface sediments decrease in order of Mn ＞＞ Zn ＞ Pb ＞ Cu ＞ Cr ＞ Cd． Only the contents of two metal elements，Zn and Cu，decrease along with increasing depth，while other metals display no regularity． The values of IPx ( 2． 7) and RI ( ＞ 600) indicate this region was heavily contaminated by these six heavy metals，and there are serious ecological risks for local organism． Key words

Key words: sediments, heavy metal, pollution character

中图分类号:

X522

曾青，杨清伟，刘雪莲，李金甫，许媛. 秀山锰矿区梅江河沉积物重金属含量及污染特征[J]. 重庆交通大学学报（自然科学版）, 2011, 30(4): 843-847.

ZENG Qing，YANG Qing-wei，LIU Xue-lian，LI Jin-fu，XU Yuan. Concentration and Pollution Character of Heavy Metals in Sediments from Meijiang River in Xiushan Manganese Mine Area[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(4): 843-847.

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秀山锰矿区梅江河沉积物重金属含量及污染特征

Concentration and Pollution Character of Heavy Metals in Sediments from Meijiang River in Xiushan Manganese Mine Area

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