摘要
根据2007-2010年岱山赤潮监控区表层沉积物重金属Hg、As、Cu、Pb和Cd的监测结果进行了含量和潜在生态风险分析。结果表明:沉积物重金属含量符合国家海洋沉积物质量一类标准,Cu和Pb的含量相差不大,且含量明显高于其它3种重金属元素,其次是As>Cd>Hg,5种重金属含量的年际变化各不相同。5种重金属的污染指数大小排序为Cu>As>Pb>Cd>Hg,近4年来污染指数均大于0.6,应引起重视和加强监测。5种重金属的单个潜在生态风险均为低,潜在生态风险参数大小排序为Hg>As>Cd>Cu>Pb,5种重金属的综合潜在生态风险水平也为低。
According to the monitoring data of heavy metals （Hg, Cd, Pb, As and Cu） in the surface sediments of red tide monitoring area of Daishan in 2007-2010. The results showed that the concentrations of heavy metals accord with the first class of the marine sediment quality of National Standards, and the concentrations of Cu and Pb were higher than others. The annual change trends were different in these five heavy metals. The order of heavy metals pollution index was Cu〉As〉Pb〉Cd〉Hg, Cu should be attend to more attention. The pollution status and the potential ecological risk level of five kinds of heavy metals were low, the order of potential ecological risk was Hg〉As〉Cd〉Cu〉Pb.
出处
《浙江海洋学院学报（自然科学版）》
CAS
2012年第5期431-435,共5页
Journal of Zhejiang Ocean University(Natural Science Edition)
关键词
岱山
赤潮监控区
表层沉积物
重金属
污染
Daishan
red tide monitoring area
surface sediments
heavy metals
pollution
作者简介
（1981-），女，山东晦沂人，工程师，研究方向：海洋环境监测与评价．E-mail：jianghong210210@126．com
