Development of a Tracer Analysis Method to Elucidate the Origin and Sources of Carbonaceous Aerosols

Carbonaceous aerosols account for a large proportion of atmospheric aerosols, including fine particulate matter (PM2.5). Countermeasures against their sources are considered effective in reducing PM2.5. However, because of its complex sources and atmospheric processing, the identification of organic...

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Bibliographic Details
Published inJournal of Japan Society for Atmospheric Environment / Taiki Kankyo Gakkaishi Vol. 57; no. 1; pp. 24 - 33
Main Author Ikemori, Fumikazu
Format Journal Article
LanguageJapanese
Published Japan Society for Atmospheric Environment 10.01.2022
公益社団法人 大気環境学会
Subjects
biomass burning
carbonaceous aerosol
organic aerosol
radiocarbon
secondary organic aerosol
tracer
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ISSN1341-4178
2185-4335
DOI10.11298/taiki.57.24

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Summary:Carbonaceous aerosols account for a large proportion of atmospheric aerosols, including fine particulate matter (PM2.5). Countermeasures against their sources are considered effective in reducing PM2.5. However, because of its complex sources and atmospheric processing, the identification of organic aerosol sources and generation mechanisms are challenging topics. In this review, previous studies regarding the development of a highly time-resolved measurement method of organic tracer compounds and evaluating new tracer compounds for anthropogenic secondary organic aerosols are outlined. Furthermore, studies related to the field observations of radiocarbon and organic tracer compounds and their application to the evaluate the origins and sources of carbonaceous aerosols are presented. Primarily aerosols emitted from biomass burning and secondary organic aerosols are discussed. Furthermore, a summary of issues and perspectives regarding tracer compounds is discussed.
ISSN:1341-4178
2185-4335
DOI:10.11298/taiki.57.24