| 颗粒物有机源示踪物的筛选与应用综述 |
| 摘要点击 4733 全文点击 1359 投稿时间：2020-06-16 修订日期：2020-08-18 |
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| 中文关键词 大气环境 颗粒物 有机示踪物 源排放 源解析 |
| 英文关键词 atmospheric environment particulate matter organic tracers source emission source apportionment |
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| 中文摘要 |
| 大气颗粒物中的不少有机组分具有较强的源指向性，是识别颗粒物来源并评估各污染源对城市大气环境影响的重要工具之一.前人因此针对不同污染源颗粒物有机组成进行了广泛研究，并筛选出大量具有源指纹意义的有机示踪物.本文对前人的相关工作进行了简要整理，重点关注了生物质燃烧、餐饮源、化石燃料燃烧和交通源排放颗粒物有机组成特征，总结了这4类污染源主要的源示踪物，系统计算了各污染源的特征比值，并以此讨论了有机源示踪物在颗粒物源解析方面的运用.此外，也进一步分析了目前国内外源示踪物筛选工作的不足，指出了新的源示踪物筛选方向. |
| 英文摘要 |
| Specific organic compounds within atmospheric particulate matter are indicators of specific pollution sources and, as such, can be used to differentiate inputs from various air pollution emissions sources in urban areas. Therefore, many studies have been conducted to detect organic particulate matter and screen the associated organic tracers that provide provenance information. This review provides a brief summary of the emission characteristics of biomass burning, cooking, fossil fuel combustion, and traffic. The particular marker compounds that carry provenance information for these four emission sources are discussed and diagnostic ratios are calculated to discuss the use of organic tracers in source apportionment. The shortcomings and new directions of using source tracer screening are also discussed. |
