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| 沈阳市细河流域土壤重金属的暴露评估 | |
| 引用本文： | 孙丽娜,廉梅花,李昕馨,鲍桐. 沈阳市细河流域土壤重金属的暴露评估[J]. 辽宁工程技术大学学报(自然科学版), 2009, 28(5) |
| 作者姓名： | 孙丽娜 廉梅花 李昕馨 鲍桐 |
| 作者单位： | 1. 沈阳大学,污染环境的生态修复与资源化技术重点实验室,辽宁,沈阳,110044;中科院沈阳应用生态研究所,辽宁,沈阳,110016 2. 沈阳大学,污染环境的生态修复与资源化技术重点实验室,辽宁,沈阳,110044 3. 中科院沈阳应用生态研究所,辽宁,沈阳,110016 |
| 基金项目： | 辽宁省辽河流域农业地质调查项目(1212010511209):沈阳科学技术计划项目(1071149-3-00):国家重点基础究发展规划(973)项日 |
| 摘 要： | 在系统调查沈阳市细河流域土壤、农作物和大气降尘中重金属分布特征的基础上,按照美国环保局推荐的暴露模型和成人、儿童暴露参数,计算细河流域土壤中5种重金属Zn、Pb、Ba、Cd和Hg的成人、儿童暴露量.结果表明:污染土壤重金属的人群暴露主要来自食物途径,食物摄入暴露量明显大于呼吸摄入暴露量,皮肤接触暴露量则更小.5种金属的成人与儿童食物日暴露总量分别为0.121 mg/kg/d和0.185mg/kg/d,不同重金属的食物日暴露量为:Zn>Pb>Ba>Cd>Hg:呼吸与皮肤接触暴露中儿童的重金属暴露较成人明显,儿童与成人呼吸日摄入总量分别为1.01×10-2mg/kg/d与1.08×10-3mg/kg/d:皮肤接触暴露量分别为1.82×10-5mg/kg/d与1.08×10-5mg/kg/d.在3种暴露途径中,儿童的平均体重日暴露量均明显大于成人. |
| 关 键 词： | 沈阳 细河 重金属 暴露评估 |
Exposure assessment on heavy metals in soil at Xihe watershed in Shenyang |
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| SUN Lina,LIAN Meihua,LI Xinxin,BAO Tong. Exposure assessment on heavy metals in soil at Xihe watershed in Shenyang[J]. Journal of Liaoning Technical University (Natural Science Edition), 2009, 28(5) | |
| Authors: | SUN Lina LIAN Meihua LI Xinxin BAO Tong |
| Affiliation: | SUN Lina1,2,LIAN Meihua1,LI Xinxin1,BAO Tong2(1.Key Laboratory on Eco-remediation of Contaminated Environment and Resources Reuse of Ministry of Education,Shenyang University,Shenyang 110044,China,2.Shenyang Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China) |
| Abstract: | Dust deposition samples were collected from soil,crop and atmosphere at Xihe watershed in Shenyang.Based on the model and parameters recommended by United States Environmental Protection Agency for adult and children exposure and the concentration of five heavy metals Zn,Pb,Ba,Cd and Hg in the environment,the exposure levels of heavy metals had been established.Results showed that the main source of heavy metals exposure was food intake.The total daily exposure quantities for adults and children by food int... |
| Keywords: | Shenyang xihe river heavy metal exposure assessment |
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