贵阳市大气降水中的重金属特征
THE CHARACTERISTICS OF HEAVY METALS IN RAIN WATER IN GUIYANG CITY, CHINA
查看参考文献23篇
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文摘
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采集了贵阳市2003年9月-2004年10月的72场降雨样品,用ICP-MS测定了雨水溶解态的Pb、Zn、Cu、Fe、Mn、Al、Sr等重金属离子,阐述了贵阳市降雨的重金属含量特征,并分析了重金属的来源及变化规律.结果表明,贵阳市雨水重金属含量高,Fe、Mn、Cu、Pb、Zn均高于地表水,雨水的重金属含量受人为因素影响明显,燃煤及汽车尾气是雨水重金属的主要来源,为评价贵阳市大气中的重金属污染提供了有力的证据. |
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其他语种文摘
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Rainwater in Guiyang city was sampled from September 2003 to October 2004. The dissolved heavy metal concentrations were determined by ICP-MS. The features, sources and variations of heavy metals in rainwater were discussed. The result showed a heavy metal contamination in rainwater. The concentrations of Fe, Mn, Cu, Pb and Zn in rainwater were apparently higher than those in surface water in Guiyang city. It was concluded that the heavy metals in rain water originated dominantly from anthropogenic activities, such as coal burning and vehicle exhaust. |
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来源
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矿物学报
,2005,25(3):257-262 【核心库】
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关键词
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大气降水
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雨水
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重金属
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贵阳
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地址
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中国科学院,地球化学研究所, 环境地球化学国家重点实验室, 贵州, 贵阳, 550002
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-4734 |
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学科
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环境科学基础理论 |
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基金
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国家自然科学基金项目
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中国科学院知识创新工程重要方向项目
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文献收藏号
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CSCD:2020708
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