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谷阳光, 高富代. 我国省会城市土壤重金属含量分布与健康风险评价[J]. 环境化学, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
引用本文: 谷阳光, 高富代. 我国省会城市土壤重金属含量分布与健康风险评价[J]. 环境化学, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
shu
GU Yangguang, GAO Fudai. Spatial distribution and health risk assessment of heavy metals in provincial capital cities, China[J]. Environmental Chemistry, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
Citation: GU Yangguang, GAO Fudai. Spatial distribution and health risk assessment of heavy metals in provincial capital cities, China[J]. Environmental Chemistry, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
shu

我国省会城市土壤重金属含量分布与健康风险评价

  • 1.

    中国水产科学研究院南海水产研究所, 广东省渔业生态环境重点实验室, 农业部南海渔业资源开发利用重点实验室, 广州, 510300;

  • 2.

    甘肃省静宁县阳坡中学, 静宁, 743411

  • 基金项目:

    广东省自然科学基金（2014A030310220）资助.

Spatial distribution and health risk assessment of heavy metals in provincial capital cities, China

  • 1.

    Key Laboratory of Fishery Ecology and Environment, Guangdong Province of China;Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture;South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China;

  • 2.

    Yangpo Middle School of Jingning County, Jingning, 743411, China

  • Fund Project: Supported by the Natural Science Foundation of Guangdong Province, China (2014A030310220).

  • 摘要: 收集了我国31个省会城市城区表层土壤重金属数据，探讨了我国省会城市土壤重金属含量分布特征和健康风险. 结果表明，我国省会城市重金属Cd、Pb、Cr、Ni、Cu、Zn、Hg和As平均含量分别为0.43、44.75、66.85、32.48、39.59、116.15、0.21、12.44 mg·kg-1.土壤重金属具有4种分布类型，大部分重金属（Cd、Pb、Ni、Cu和Zn）含量较高城市分布在西南和南方沿海及东北长春等区域. 健康风险评价表明，所有省会城市土壤重金属对儿童和成年人的非致癌风险是可以忽略的；除南宁外经口摄入As对儿童为不可接受风险外（>10-4），其余经口摄入致癌风险对儿童和成年人均介于可以接受范围内（10-6-10-4）.
    Abstract: Heay metal concentrations in the urban soils of 31 provincial capital cities in China were collected based on the published papers to explore patterns of spatial distribution and evaluate human health risks. The results demonstrated that the average metal concentrations were 0.43 (Cd), 44.75 (Pb), 66.85 (Cr), 32.48 (Ni), 39.59 (Cu), 116.15 (Zn), 0.21 (Hg), 12.44 (As) mg·kg-1. Four patterns of spatial distribution were found, and the cities with relatively high concentrations of metals (Cd, Pb, Ni, Cu, and Zn) were distributed in the southwestern and southern coastal regions as well as Changchun region in northeastern China. Hazard Quotient value for each metal and Hazard Index values for all the metals indicated no significant risk of non-carcinogenic effects to children and adults in urban soils of 31 provincial capital cities in China. The probabilities of As posing carcinogenic risks to children were not accpetable in Nanning (>10-4), but were accpetable (10-6-10-4) to children and adults in the other cities.
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  • 收稿日期:  2016-05-17
  • 刊出日期:  2017-01-15
谷阳光, 高富代. 我国省会城市土壤重金属含量分布与健康风险评价[J]. 环境化学, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
引用本文: 谷阳光, 高富代. 我国省会城市土壤重金属含量分布与健康风险评价[J]. 环境化学, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
shu
GU Yangguang, GAO Fudai. Spatial distribution and health risk assessment of heavy metals in provincial capital cities, China[J]. Environmental Chemistry, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
Citation: GU Yangguang, GAO Fudai. Spatial distribution and health risk assessment of heavy metals in provincial capital cities, China[J]. Environmental Chemistry, 2017, 36(1): 62-71. doi: 10.7524/j.issn.0254-6108.2017.01.2016051705
shu

我国省会城市土壤重金属含量分布与健康风险评价

  • 1.  中国水产科学研究院南海水产研究所, 广东省渔业生态环境重点实验室, 农业部南海渔业资源开发利用重点实验室, 广州, 510300;
  • 2.  甘肃省静宁县阳坡中学, 静宁, 743411
  • 收稿日期:  2016-05-17
基金项目:

广东省自然科学基金（2014A030310220）资助.

摘要: 收集了我国31个省会城市城区表层土壤重金属数据，探讨了我国省会城市土壤重金属含量分布特征和健康风险. 结果表明，我国省会城市重金属Cd、Pb、Cr、Ni、Cu、Zn、Hg和As平均含量分别为0.43、44.75、66.85、32.48、39.59、116.15、0.21、12.44 mg·kg-1.土壤重金属具有4种分布类型，大部分重金属（Cd、Pb、Ni、Cu和Zn）含量较高城市分布在西南和南方沿海及东北长春等区域. 健康风险评价表明，所有省会城市土壤重金属对儿童和成年人的非致癌风险是可以忽略的；除南宁外经口摄入As对儿童为不可接受风险外（>10-4），其余经口摄入致癌风险对儿童和成年人均介于可以接受范围内（10-6-10-4）.

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