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太湖流域重金属湿沉降特征

余 辉 张璐璐 李焕利 燕姝雯 陈 雷 姚理为

余 辉, 张璐璐, 李焕利, 燕姝雯, 陈 雷, 姚理为. 太湖流域重金属湿沉降特征[J]. 环境科学研究, 2011, 24(12): 1331-1338.
引用本文: 余 辉, 张璐璐, 李焕利, 燕姝雯, 陈 雷, 姚理为. 太湖流域重金属湿沉降特征[J]. 环境科学研究, 2011, 24(12): 1331-1338.
YU Hui, ZHANG Lu-lu, LI Huan-li, YAN Shu-wen, CHEN Lei, YAO Li-wei. Wet Deposition Characteristics of Heavy Metals in Taihu Lake Watershed[J]. Research of Environmental Sciences, 2011, 24(12): 1331-1338.
Citation: YU Hui, ZHANG Lu-lu, LI Huan-li, YAN Shu-wen, CHEN Lei, YAO Li-wei. Wet Deposition Characteristics of Heavy Metals in Taihu Lake Watershed[J]. Research of Environmental Sciences, 2011, 24(12): 1331-1338.

太湖流域重金属湿沉降特征

基金项目: 国家水体污染控制与治理科技重大专项(2008ZX07101-001)

Wet Deposition Characteristics of Heavy Metals in Taihu Lake Watershed

  • 摘要: 为研究太湖流域湿沉降中重金属含量特征及污染现状,采用ICP-MS对2009年8月—2010年4月期间太湖周边10个采样点湿沉降中的ρ(Cr),ρ(Cd),ρ(Pb),ρ(Ni),ρ(Mn)和ρ(Zn)进行监测,结果表明:湿沉降中ρ(Zn)最高(年均值为79.54 μg/L),超过《地表水环境质量标准》(GB 3838—2002),占重金属总量的66.3%; 其他依次为ρ(Mn),ρ(Pd),ρ(Ni),ρ(Cr)和ρ(Cd),分别为26.90,6.36,5.12,1.74和0.26 μg/L. 湿沉降中重金属含量季节变化和空间分布存在显著差异,ρ(Cr)和ρ(Mn)以西北部湖区较高,ρ(Cd)和ρ(Zn)以南部湖区较高,ρ(Ni)以西部湖区较高,ρ(Pb)以东部和西部湖区较高. Cr,Cd,Pb,Ni,Zn及Mn的湿沉降率分别为2.14,0.34,7.57,6.18,101和33.1 mg/(m2·a),通过湖面湿沉降年入湖量分别为5.00,0.79,17.7,14.5,236及77.4 t.

     

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出版历程
  • 收稿日期:  2011-05-11
  • 修回日期:  2011-08-08
  • 刊出日期:  2011-12-25

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