袁红明, 叶思源, 高茂生, 贺行良. 黄河三角洲南部湿地表层土壤中多环芳烃的分布特征及生态风险评价[J]. 海洋地质前沿, 2011, 37(2): 24-28.
    引用本文: 袁红明, 叶思源, 高茂生, 贺行良. 黄河三角洲南部湿地表层土壤中多环芳烃的分布特征及生态风险评价[J]. 海洋地质前沿, 2011, 37(2): 24-28.
    YUAN Hongming, YE Siyuan, GAO Maosheng, HE Xingliang. DISTRIBUTION OF POLYCYCLIC AROMATIC HYDROCARBONS IN THE SURFACE SOIL OF SOUTHERN WETLAND OF THE YELLOW RIVER DELTA AND ECOLOGICAL RISK ASSESSMENT[J]. Marine Geology Frontiers, 2011, 37(2): 24-28.
    Citation: YUAN Hongming, YE Siyuan, GAO Maosheng, HE Xingliang. DISTRIBUTION OF POLYCYCLIC AROMATIC HYDROCARBONS IN THE SURFACE SOIL OF SOUTHERN WETLAND OF THE YELLOW RIVER DELTA AND ECOLOGICAL RISK ASSESSMENT[J]. Marine Geology Frontiers, 2011, 37(2): 24-28.

    黄河三角洲南部湿地表层土壤中多环芳烃的分布特征及生态风险评价

    DISTRIBUTION OF POLYCYCLIC AROMATIC HYDROCARBONS IN THE SURFACE SOIL OF SOUTHERN WETLAND OF THE YELLOW RIVER DELTA AND ECOLOGICAL RISK ASSESSMENT

    • 摘要: 对黄河三角洲南部湿地的表层土壤样品中的16种EPA优控的多环芳烃(PAHs)进行了定量分析,结果表明表层土壤中PAHs总量范围为70.58~1 826.12 ng/g(干重),为低污染等级,空间分布呈现出黄河现行流路南岸略高于北岸的特征。PAHs含量与有机碳(TOC)存在线性正相关,表层土壤样品中PAHs石油来源所占比重较大,表现出以石油来源为主的混合源污染特征。该研究区PAHs尚未对生物造成显著负面影响,潜在生态风险水平较低。

       

      Abstract: The compounds of 16 polycyclic aromatic hydrocarbons (PAHs) in surface soil of southern wetland in the Yellow River Delta were analyzed quantitatively. The total concentration of PAHs ranging from 70.58 to 1826.12 ng/g (dry weight) is in a level of low pollution. The spatial distribution of PAHs shows that in the south bank of the River, PAHs are a little higher than those in the North bank. The PAHs content distribution shows a linear relation with organic carbon (TOC) content. PAHs of oil source occupy a relatively great proportion in the sample, indicating that the pollution is mainly caused by petroleum. The risk assessment shows that this area is at a level of low ecological risk. There is no immediate damage to the living organisms for the time being.

       

    /

    返回文章
    返回