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首页> 外文期刊>Environmental Science & Technology >Rapid Magnetic Biomonitoring and Differentiation of Atmospheric Participate Pollutants at the Roadside and around Two Major Industrial Sites in the U.K
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Rapid Magnetic Biomonitoring and Differentiation of Atmospheric Participate Pollutants at the Roadside and around Two Major Industrial Sites in the U.K

机译：在英国的路边和两个主要工业区附近对大气中的污染物进行快速磁生物监测和区分

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摘要

Emissions of particulate matter (PM) from vehicle and industrial sources constitute a hazard to human health. Here, we apply biomagnetic monitoring to (a) discriminate between potential PM_(10) sources around a steelworks and (b) examine magnetic source differentiation for a combined, U.K.-based, magnetic data set (steelworks, roadside, power-generating site). Tree leaves (sampled September 2009, as passive PM receptors) and putative sources were subjected to rapid magnetic characterization (magnetic remanence measurements). Fuzzy cluster analysis of the combined data set identified three clusters, showing that particulates emitted from vehicle fleets (e.g., diesel/petrol), and from different industrial processes can be magnetically differentiated. Cluster analysis of the steelworks leaf receptors and potential sources identified seven magnetic groupings. Leaves from one PM "hotspot" showed no affinity with any available source sample, suggesting an as yet untested PM source. These data indicate the value of fast, inexpensive magnetic techniques for particulate source discrimination and indication of "missing" sources.
机译：汽车和工业来源的颗粒物（PM）排放对人体健康构成危害。在这里，我们将生物磁监测应用于（a）区分钢厂附近的潜在PM_（10）源，以及（b）检查基于英国的组合磁数据集（钢厂，路边，发电地点）的磁源差异。对树叶（作为被动PM受体于2009年9月取样）和推定来源进行了快速磁特性分析（剩磁测量）。对组合数据集的模糊聚类分析确定了三个聚类，表明从车队（例如，柴油/汽油）以及不同的工业过程中排放的颗粒物可以磁区分。钢铁厂叶片受体和潜在来源的聚类分析确定了七个磁性组。来自一个PM“热点”的叶片与任何可用的来源样品均无亲和力，表明尚未经过测试的PM来源。这些数据表明了快速廉价的磁学技术对颗粒物源判别和“缺失”源的指示的价值。

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  • 来源
    《Environmental Science & Technology》 |2012年第8期|p.4403-4410|共8页
  • 作者

    R. Hansard; B. A Maher; R. P. Kinnersley;

  • 作者单位

    Centre for Environmental Magnetism and Paleomagnetism, Lancaster Environment Centre, Lancaster University, Lancaster, United Kingdom, LAI 4YQ;

    Centre for Environmental Magnetism and Paleomagnetism, Lancaster Environment Centre, Lancaster University, Lancaster, United Kingdom, LAI 4YQ;

    Environment Agency, Evidence Directorate, Olton, SolihuII, United Kingdom, B92 7HX;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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