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Understanding the recent trend of haze pollution in eastern China: roles of climate change

机译:了解中国东部雾度污染的最新趋势:气候变化的作用

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摘要

In this paper, the variation and trend of haze pollution in eastern China for winter of 1960-2012 were analyzed. With the overall increasing number of winter haze days in this period, the 5aEuro-decades were divided into three sub-periods based on the changes of winter haze days (WHD) in central North China (30-40 degrees aEuro-N) and eastern South China (south of 30 degrees aEuro-N) for east of 109 degrees aEuro-E mainland China. Results show that WHD kept gradually increasing during 1960-1979, remained stable overall during 1980-1999, and increased fast during 2000-2012. The author identified the major climate forcing factors besides total energy consumption. Among all the possible climate factors, variability of the autumn Arctic sea ice extent, local precipitation and surface wind during winter is most influential to the haze pollution change. The joint effect of fast increase of total energy consumption, rapid decline of Arctic sea ice extent and reduced precipitation and surface winds intensified the haze pollution in central North China after 2000. There is a similar conclusion for haze pollution in eastern South China after 2000, with the precipitation effect being smaller and spatially inconsistent.
机译:本文分析了1960 - 2012年冬季雾气污染的变化和趋势。随着整体越来越多的冬季阴霾天在此期间,5Aeuro - 几十年的基于中部冬季阴霾天(WHD)的变化分为三个子期(30-40度Aeuro-N)和东部华南(30摄氏度南部)在109摄氏度东部的中国大陆。结果表明,在1960年至1979年期间,在1960年至1999年期间保持稳定,在1980年至1999年保持稳定,2000 - 2012年期间快速增加。作者确定了除了总能源消耗外的主要气候迫使因素。在所有可能的气候因素中,秋季北极海岸的可变性,冬季局部降水和表面风最为影响雾度污染变化。快速增加总能耗的联合效应,北极海冰范围的快速下降,降低沉淀和表面风加剧了2000年后北方中部的阴霾污染。2000年后华东地区的阴霾污染有类似的结论,沉淀效果较小,空间上不一致。

著录项

  • 来源
    《Atmospheric chemistry and physics》 |2016年第6期|共7页
  • 作者

    Wang Hui-Jun; Chen Huo-Po;

  • 作者单位

    Nanjing Univ Informat Sci &

    Technol Collaborat Innovat Ctr Forecast &

    Evaluat Meteoro Nanjing Jiangsu Peoples R China;

    Nanjing Univ Informat Sci &

    Technol Collaborat Innovat Ctr Forecast &

    Evaluat Meteoro Nanjing Jiangsu Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 大气科学(气象学);
  • 关键词

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