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Aerosol sources in subway environments

机译:地铁环境中的气溶胶源

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摘要

Millions of people use rail subway public transport around the world, despite the relatively high particulate matter (PM) concentrations in these underground environments, requiring the identification and quantification of the aerosol source contributions to improve the air quality. An extensive aerosol monitoring campaign was carried out in eleven subway stations in the Barcelona metro system, belonging to seven subway lines. PM2.5 samples were collected during the metro operating hours and chemically analysed to determine major and trace elements, inorganic ions, and total carbon. The chemical compositions of subway components such as brake pads, rail tracks and pantographs were also determined.
机译:尽管在这些地下环境中颗粒物(PM)浓度较高,但世界各地仍有数百万人使用铁路地铁公共交通,需要对气溶胶来源的贡献进行识别和量化,以改善空气质量。在巴塞罗那地铁系统的11条地铁站中进行了广泛的气溶胶监测活动,这些地铁站属于7条地铁线。在地铁运营期间收集PM2.5样品,并进行化学分析,以确定主要和微量元素,无机离子和总碳。还确定了地铁部件的化学成分,如刹车片,铁轨和受电弓。

著录项

  • 来源
    《Environmental research》 |2018年第11期|314-328|共15页
  • 作者单位

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

    TMB Santa Eulalia, Transports Metropolitans Barcelona, Lhospitalet De Llobregat, Spain;

    TMB Santa Eulalia, Transports Metropolitans Barcelona, Lhospitalet De Llobregat, Spain;

    TMB Santa Eulalia, Transports Metropolitans Barcelona, Lhospitalet De Llobregat, Spain;

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

    CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona, Spain;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metro; Air quality; Aerosols; Source apportionment; Particulate matter;

    机译:地铁;空气质量;气溶胶;源分配;颗粒物;

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