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北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征

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狄一安, 杨勇杰, 周瑞, 于跃, 郭婧, 王婧瑞, 马志强, 张乐坚. 北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征[J]. 环境化学, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
引用本文: 狄一安, 杨勇杰, 周瑞, 于跃, 郭婧, 王婧瑞, 马志强, 张乐坚. 北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征[J]. 环境化学, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
shu
DI Yi'an, YANG Yongjie, ZHOU Rui, YU Yue, GUO Jing, WANG Jingrui, MA Zhiqiang, ZHANG Lejian. Size distributions of water-soluble inorganic ions at urban and rural sites in Beijing during spring[J]. Environmental Chemistry, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
Citation: DI Yi'an, YANG Yongjie, ZHOU Rui, YU Yue, GUO Jing, WANG Jingrui, MA Zhiqiang, ZHANG Lejian. Size distributions of water-soluble inorganic ions at urban and rural sites in Beijing during spring[J]. Environmental Chemistry, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
shu

北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征

  • 1.

    国家环境分析测试中心, 北京, 100029;

  • 2.

    北京城市气象工程技术研究中心, 北京, 100089;

  • 3.

    中国气象局气象探测中心, 北京, 100081

  • 基金项目:

    国家自然科学基金项目(41105089)

    北京市自然科学基金项目(8121002)资助.

Size distributions of water-soluble inorganic ions at urban and rural sites in Beijing during spring

  • 1.

    National Research Center for Environmental Analysis and Measurement, Beijing, 100029, China;

  • 2.

    Beijing Urban Meteorological Engineering Technology Research Center, Beijing, 100089, China;

  • 3.

    Meteorological Observation Center, China Meteorological Administration, Beijing, 100081, China

  • Fund Project:

  • 摘要: 为比较北京城区与远郊区大气颗粒物中水溶性无机离子的组成特征,2012年4月,利用Andersen分级撞击式采样器同时在2个采样点进行大气颗粒物分级采样,样品采用离子色谱分析.结果表明,城区和上甸子大气颗粒物中水溶性无机离子总浓度分别为(83.748.9) gm-3和(75.552.9) gm-3,NO3-、SO42-和NH4+是最主要的水溶性无机离子,分别占总离子浓度的81.2%和84.2%.粒径分布显示,Mg2+和Ca2+在5.89.0 m的粒径范围出现峰值,Na+、NH4+、Cl-在0.431.1 m和4.79.0m的粒径范围出现双峰,K+、NO3-和SO42-在0.652.1 m的粒径范围出现峰值.后向轨迹簇分析表明,气团来自南方时,城区和上甸子二次离子浓度分别为(92.440.0) gm-3和(95.035.4) gm-3,来自其他方向时,分别为(24.010.8) gm-3和(13.310.6) gm-3.
    Abstract: In order to investigate the characteristics of water-soluble inorganic ions in particulate matter (PM) at urban and rural sites in Beijing, PM samples were collected with Thermo Scientific Andersen impactors at both sites. The water-soluble inorganic ions were analyzed by IC.The results showed that the concentrations of the total water-soluble inorganic ions at urban and rural sites were (83.748.9) gm-3 and (75.552.9) gm-3. NO3-, SO42- and NH4+ were the major ions in particulate matter at both sites, which accounted 81.2% and 84.2% of all the ions. Furthermore, Mg2+and Ca2+ were mainly associated with coarse particles with a peak at 5.89.0 m, Na+, NH4+and Cl- had a multi-mode distribution, with peaks at 0.431.1 m and 4.79.0 m. K+, NO3- and SO42- were mainly associated with fine particles with a peak at 0.652.1 m. The backward air mass trajectory analysis suggested that the concentrations of secondary ion were (92.440.0) gm-3 and (95.035.4) gm-3 when the air mass came from the south, and (24.010.8) gm-3 and (13.310.6) gm-3 when the air mass came from the other directions at urban and rural sites.
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  • 收稿日期:  2013-03-27
狄一安, 杨勇杰, 周瑞, 于跃, 郭婧, 王婧瑞, 马志强, 张乐坚. 北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征[J]. 环境化学, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
引用本文: 狄一安, 杨勇杰, 周瑞, 于跃, 郭婧, 王婧瑞, 马志强, 张乐坚. 北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征[J]. 环境化学, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
shu
DI Yi'an, YANG Yongjie, ZHOU Rui, YU Yue, GUO Jing, WANG Jingrui, MA Zhiqiang, ZHANG Lejian. Size distributions of water-soluble inorganic ions at urban and rural sites in Beijing during spring[J]. Environmental Chemistry, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
Citation: DI Yi'an, YANG Yongjie, ZHOU Rui, YU Yue, GUO Jing, WANG Jingrui, MA Zhiqiang, ZHANG Lejian. Size distributions of water-soluble inorganic ions at urban and rural sites in Beijing during spring[J]. Environmental Chemistry, 2013, 32(9): 1604-1610. doi: 10.7524/j.issn.0254-6108.2013.09.002
shu

北京春季城区与远郊区不同大气粒径颗粒物中水溶性离子的分布特征

  • 1.  国家环境分析测试中心, 北京, 100029;
  • 2.  北京城市气象工程技术研究中心, 北京, 100089;
  • 3.  中国气象局气象探测中心, 北京, 100081
  • 收稿日期:  2013-03-27
基金项目:

国家自然科学基金项目(41105089)

北京市自然科学基金项目(8121002)资助.

摘要: 为比较北京城区与远郊区大气颗粒物中水溶性无机离子的组成特征,2012年4月,利用Andersen分级撞击式采样器同时在2个采样点进行大气颗粒物分级采样,样品采用离子色谱分析.结果表明,城区和上甸子大气颗粒物中水溶性无机离子总浓度分别为(83.748.9) gm-3和(75.552.9) gm-3,NO3-、SO42-和NH4+是最主要的水溶性无机离子,分别占总离子浓度的81.2%和84.2%.粒径分布显示,Mg2+和Ca2+在5.89.0 m的粒径范围出现峰值,Na+、NH4+、Cl-在0.431.1 m和4.79.0m的粒径范围出现双峰,K+、NO3-和SO42-在0.652.1 m的粒径范围出现峰值.后向轨迹簇分析表明,气团来自南方时,城区和上甸子二次离子浓度分别为(92.440.0) gm-3和(95.035.4) gm-3,来自其他方向时,分别为(24.010.8) gm-3和(13.310.6) gm-3.

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