| 太湖不同营养水平湖区汞的形态和分布特征 |
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| 引用本文： | 陈春霄,郑丙辉,王金枝,王 坤,姜 霞,赵 铮.太湖不同营养水平湖区汞的形态和分布特征[J].环境科学研究,2015,28(6):883-889. |
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| 作者姓名： | 陈春霄 郑丙辉 王金枝 王 坤 姜 霞 赵 铮 |
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| 作者单位： | 中国环境科学研究院,环境基准与风险评估国家重点实验室,北京 100012 |
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| 基金项目： | 国家自然科学基金项目(21077097)；国家水体污染控制与治理科技重大专项(2012ZX07101-013) |
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| 摘 要： | 为研究富营养化对太湖汞形态分布特征的影响,于2011年水华暴发期,在太湖不同营养水平湖区(竺山湾、贡湖湾及南太湖)采集水样,测定了水体中THg(总汞)、DHg(溶解态总汞)、RHg(活性汞)、TMe Hg(总甲基汞)、DMe Hg(溶解态甲基汞)的质量浓度及其分布特征.结果表明,太湖不同营养水平湖区水体中ρ(THg)和ρ(DHg)无显著差异,ρ(THg)为4.67~12.15 ngL,ρ(DHg)为2.27~10.36 ngL.太湖水体中ρ(RHg)平均值为0.79 ngL,藻类的生长对水体中ρ(RHg)的分布有显著影响,水体营养水平越高,ρ(RHg)越低.水体中ρ(TMe Hg)和ρ(DMe Hg)分别为0.10~0.27和0.09~0.23 ngL,藻类的吸附及水体中较高的Eh(氧化还原电位)和p H抑制了汞的甲基化,但在富营养化较严重的竺山湾,受藻类生长及水华的影响,水体中ρ(TMe Hg)(0.22ngL)仍相对较高.
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| 关 键 词： | 汞 甲基汞 不同营养水平 藻 太湖 |
Distribution and Speciation of Mercury in Different Eutrophic Regions of Taihu Lake |
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| CHEN Chunxiao,ZHENG Binghui,WANG Jinzhi,WANG Kun,JIANG Xia,ZHAO Zheng.Distribution and Speciation of Mercury in Different Eutrophic Regions of Taihu Lake[J].Research of Environmental Sciences,2015,28(6):883-889. |
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| Authors: | CHEN Chunxiao ZHENG Binghui WANG Jinzhi WANG Kun JIANG Xia ZHAO Zheng |
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| Affiliation: | State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China,State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China,State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China,State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China,State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China and State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China |
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| Abstract: | |
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| Keywords: | mercury methylmercury different eutrophic levels algae Taihu Lake |
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