晋江感潮河段表层沉积物重金属污染特征  

Heavy Metal Pollution in the Surface Sediments from Tidal Reach of Jinjiang River

作　　者：王荔娟[1] 于瑞莲[2] 胡恭任[1] 赵元慧[2] 

机构地区：[1]华侨大学材料科学与工程学院,福建泉州362021 [2]东北师范大学环境科学系,吉林长春130024

出　　处：《华侨大学学报（自然科学版）》2008年第1期148-151,共4页Journal of Huaqiao University(Natural Science)

基　　金：国家自然科学基金资助项目(40673061);福建省自然科学基金资助项目(D0310017);东华理工大学核资源与环境教育部重点实验室开放基金资助项目(070714);泉州市科技计划项目(2007Z43)

摘　　要：分析福建晋江感潮河段表层沉积物中重金属元素的质量比,采用单因子超标率法、地累积指数法和潜在生态危害指数法,对沉积物中重金属污染进行评价.结果表明,沉积物中重金属元素存在不同程度的污染,其中Cd呈极强污染水平,其次为Cu,而Zn,Pb,Cr,Ni呈中等或轻微污染.潜在生态危害指数表明,晋江感潮河段沉积物受重金属污染已相当严重,属于生态危害性极强的重污染水平,需采取有效措施加以治理.The concentrations of heavy metals in the surface sediments from tidal reach of Jinjiang River, Fujian Province, were analyzed. The pollution degree of heavy metals was assessed using the methods of Index of geoaccumulation and Potential ecological risk index. The results show that the pollution degree and the ecological risk of Cd appears the highest among all these heavy metals, and the secondary is Cu,Zn,Pb,Cr and Ni presenting moderate or slight pollution degree. The results of Potential ecological risk index indicate that the pollution degree of heavy metals in the surface sediments from tidal reach of Jinjiang River is much serious and belongs to the extremely strong ecological risk level. Some effective measures should be taken to prevent and control the heavy metals pollution.

关 键 词：重金属 表层沉积物 感潮河段 污染 晋江 

分 类 号：X520.2[环境科学与工程—环境工程]