エアロゾル研究
研究論文
二次有機エアロゾル(SOA)低濃度条件のモノテルペンのO3分解反応における2生成物モデルのSOA生成パラメータ
竹川 秀人高須 施聞
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ジャーナル フリー

32 巻 (2017) 3 号 p. 176-187

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Secondary organic aerosol (SOA) formation parameters of the two-product model for monoterpene ozonolysis are determined through the experiments conducted with five monoterpene hydrocarbons in this study and a reference study. The SOA mass yield increases at higher SOA concentrations or a lower temperature; however the dependence of SOA mass yield on temperature is relatively small for each hydrocarbon. The SOA mass yields are higher in the order of d-limonene, Δ3-carene, α-pinene and the other two compounds, β-pinene and sabinene, and depend on the number and position of the carbon double bond. At lower SOA concentrations and a higher temperature, SOA mass yields of monoterpene ozonolysis are higher than those of monoterpene photooxidation used in CMAQv4.7 (Carlton et al., 2010). It is expected that underestimation of SOA concentrations in non-heavily polluted areas calculated by CMAQv4.7 will be improved in some extent with substitution for SOA productivity for monoterpene ozonolysis obtained in this study.

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© 2017 日本エアロゾル学会
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