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The Role of Temperature and NO_x in Ozone Trends in the Los Angeles Basin

机译:温度和NO_X在洛杉矶盆地的臭氧趋势中的作用

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摘要

Ozone, a major contributor to poor air quality, has an array of adverse effects on human, animal, and plant health. In the Los Angeles basin, a megacity that has pursued cleaner air for decades, unhealthy levels of ozone have decreased but remain stubbornly frequent even as the ozone precursors NO_x (nitrogen oxides ≡ NO_2 + NO) and VOC (volatile organic compounds) have decreased. We describe a combined analysis of decadal trends in these precursors, differences in emissions with day-of-week, and of the impact of temperature to assess the role of VOC and NO_x and the likely effects of additional emission reductions on the occurrence of high ozone in the region.
机译:臭氧是空气质量差的主要贡献者,对人,动物和植物健康有一系列不利影响。在洛杉矶盆地中,几十年来追求清洁空气的巨大性,臭氧的不健康水平降低,但甚至臭氧前体NO_X(氮氧化物≡NO_2 + NO)和VOC(挥发性有机化合物)降低而保持顽固。我们描述了对这些前体的截止趋势的综合分析,日情况下的排放差异以及温度的影响,评估VOC和NO_X的作用以及额外排放减少对高臭氧发生的可能影响在该区域。

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  • 来源
    《Environmental Science & Technology》 |2020年第24期|15652-15659|共8页
  • 作者单位

    Department of Chemistry University of California Berkeley Berkeley California 94720-1460 United States;

    Department of Chemistry University of California Berkeley Berkeley California 94720-1460 United States;

  • 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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