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The importance of Asia as a source of black carbon to the European Arctic during springtime 2013

机译:2013年春天北极欧洲北极的黑碳源的重要性

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摘要

Black carbon aerosol (BC) deposited to the Arctic sea ice or present in the free troposphere can significantly affect the Earth's radiation budget at high latitudes yet the BC burden in these regions and the regional source contributions are poorly constrained. Aircraft measurements of aerosol composition in the European Arctic were conducted during the Aerosol-Cloud Coupling And Climate Interactions in the Arctic (ACCACIA) campaign in March 2013. Pollutant plumes were encountered throughout the lower to upper Arctic troposphere featuring enhancements in CO and aerosol mass loadings, which were chemically speciated into BC and non-refractory sulphate and organic matter. FLEXPART-WRF simulations have been performed to evaluate the likely contribution to the pollutants from regional ground sources. By combining up-to-date anthropogenic and open fire biomass burning (OBB) inventories, we have been able to compare the contributions made to the observed pollution layers from the sources of eastern/northern Asia (AS), Europe (EU) and North America (NA). Over 90% of the contribution to the BC was shown to arise from non-OBB anthropogenic sources.
机译:沉积在北极海冰或自由对流层中的黑碳气溶胶(BC)可以显着影响地球的辐射预算高出高纬度,但这些地区的BC负担和区域源贡献受到严格影响。在2013年3月的北极(Accacia)运动中的气溶胶云耦合和气候相互作用期间进行了欧洲北极气溶胶组成的飞机测量。在整个污染物羽毛均持续到上层北极对流层,具有CO和气溶胶大规模载荷的增强功能,将其化学标注成BC和非耐火硫酸盐和有机物质。已经进行了FlexPart-WRF模拟以评估来自区域地区污染物的可能贡献。通过结合最新的人为和开放的消防生物量燃烧(OBB)库存,我们已经能够比较来自东亚/北部地区(AS),欧洲(欧盟)和北方的观察到的污染层所做的贡献美国(NA)。超过90%的BC贡献显示出来自非OBB人类学来源。

著录项

  • 来源
    《Atmospheric chemistry and physics》 |2015年第20期|共19页
  • 作者单位

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Paris 06 Univ Paris 04 Paris France;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Cranfield Univ FAAM Cranfield MK43 0AL Beds England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

    Univ Manchester Sch Earth Atmospher &

    Environm Sci Manchester Lancs England;

  • 收录信息
  • 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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