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首页> 外文期刊>Environmental Science & Technology >Biomass Burning Smoke Climatology of the United States: Implications for Particulate Matter Air Quality
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Biomass Burning Smoke Climatology of the United States: Implications for Particulate Matter Air Quality

机译：美国的生物质燃烧烟雾气候：对颗粒物空气质量的影响

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摘要

We utilize the NOAA Hazard Mapping System smoke product for the period of 2005 to 2016 to develop climatology of smoke occurrence over the Continental United States (CONUS) region and to study the impact of wildland fires on particulate matter air quality at the surface. Our results indicate that smoke is most frequently found over the Great Plains and western states during the summer months. Other hotspots of smoke occurrence are found over state and national parks in the southeast during winter and spring, in the Gulf of Mexico southwards of the Texas and Louisiana coastline during spring season and along the Mississippi River Delta during the fall season. A substantial portion (20%) of the 24 h federal standard for particulate pollution exceedance events in the CONUS region occur when smoke is present. If the U.S. Environmental Protection Agency regulations continue to reduce anthropogenic emissions, wildland fire emissions will become the major contributor to particulate pollution and exceedance events. In this context, we show that HMS smoke product is a valuable tool for analysis of exceptional events caused by wildland fires and our results indicate that these tools can be valuable for policy and decision makers.
机译：我们利用2005年至2016年期间的NOAA危害地图系统烟雾产品来开发美国大陆（CONUS）地区烟雾发生的气候学，并研究荒地火灾对地面颗粒物空气质量的影响。我们的结果表明，在夏季，大平原和西部各州经常发现烟雾。在冬季和春季，东南部的州立公园和国家公园，春季的德克萨斯州和路易斯安那州海岸线以南的墨西哥湾，以及秋季的密西西比河三角洲沿线的密西西比河三角洲，都发现了其他烟雾的热点。烟尘存在时，在CONUS地区，超过24小时的联邦标准中关于颗粒物超标事件的很大一部分（20％）。如果美国环境保护局的法规继续减少人为排放，则荒地火灾排放将成为造成微粒污染和超标事件的主要因素。在这种情况下，我们表明HMS烟雾产品是分析由野火引起的特殊事件的有价值的工具，我们的结果表明，这些工具对于政策制定者和决策者而言可能是有价值的。

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  • 来源
    《Environmental Science & Technology》 |2017年第20期|11731-11741|共11页
  • 作者

    Kaulfus Aaron S.; Nair Udaysankar S.; Jaffe Daniel A.; Christopher Sundar A.; Goodrick Scott L.;

  • 作者单位

    Department of Atmospheric Science, University of Alabama in Huntsville, Huntsville, AL, United States;

    Department of Atmospheric Science, University of Alabama in Huntsville, Huntsville, AL, United States;

    School of Science, Technology, Engineering and Math, University of Washington-Bothell, Bothell, WA, United States;

    Department of Atmospheric Science, University of Alabama in Huntsville, Huntsville, AL, United States;

    Forest Service, Southern Research Station, Center for Forest Disturbance Science, Athens, GA, 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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