GSTDTAP
DOI10.5194/acp-19-13741-2019
Aerosol mass yields of selected biogenic volatile organic compounds - a theoretical study with nearly explicit gas-phase chemistry
Xavier, Carlton1; Rusanen, Anton1; Zhou, Putian1; Dean, Chen1; Pichelstorfer, Lukas1; Roldin, Pontus2; Boy, Michael1
2019-11-15
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2019
卷号19期号:22页码:13741-13758
文章类型Article
语种英语
国家Finland; Sweden
英文摘要

In this study we modeled secondary organic aerosol (SOA) mass loadings from the oxidation (by O-3, OH and NO3) of five representative biogenic volatile organic compounds (BVOCs): isoprene, endocyclic bond-containing monoterpenes (alpha-pinene and limonene), exocyclic double-bond compound (beta-pinene) and a sesquiterpene (beta-caryophyllene). The simulations were designed to replicate an idealized smog chamber and oxidative flow reactors (OFRs). The Master Chemical Mechanism (MCM) together with the peroxy radical autoxidation mechanism (PRAM) were used to simulate the gas-phase chemistry. The aim of this study was to compare the potency of MCM and MCM + PRAM in predicting SOA formation. SOA yields were in good agreement with experimental values for chamber simulations when MCM + PRAM was applied, while a stand-alone MCM underpredicted the SOA yields. Compared to experimental yields, the OFR simulations using MCM + PRAM yields were in good agreement for BVOCs oxidized by both O-3 and OH. On the other hand, a stand-alone MCM underpredicted the SOA mass yields. SOA yields increased with decreasing temperatures and NO concentrations and vice versa. This highlights the limitations posed when using fixed SOA yields in a majority of global and regional models. Few compounds that play a crucial role (> 95% of mass load) in contributing to SOA mass increase (using MCM + PRAM) are identified. The results further emphasized that incorporating PRAM in conjunction with MCM does improve SOA mass yield estimation.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000497758100001
WOS关键词ALPHA-PINENE ; BETA-PINENE ; TROPOSPHERIC DEGRADATION ; TEMPERATURE-DEPENDENCE ; CHEMICAL-COMPOSITION ; PARTICLE FORMATION ; RELATIVE-HUMIDITY ; MOLECULES HOMS ; BOREAL FOREST ; SMOG CHAMBER
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/224054
专题环境与发展全球科技态势
作者单位1.Univ Helsinki, Inst Atmospher & Earth Syst Res INAR, Phys, Helsinki, Finland;
2.Lund Univ, Div Nucl Phys, Box 118, S-22100 Lund, Sweden
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GB/T 7714
Xavier, Carlton,Rusanen, Anton,Zhou, Putian,et al. Aerosol mass yields of selected biogenic volatile organic compounds - a theoretical study with nearly explicit gas-phase chemistry[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(22):13741-13758.
APA Xavier, Carlton.,Rusanen, Anton.,Zhou, Putian.,Dean, Chen.,Pichelstorfer, Lukas.,...&Boy, Michael.(2019).Aerosol mass yields of selected biogenic volatile organic compounds - a theoretical study with nearly explicit gas-phase chemistry.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(22),13741-13758.
MLA Xavier, Carlton,et al."Aerosol mass yields of selected biogenic volatile organic compounds - a theoretical study with nearly explicit gas-phase chemistry".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.22(2019):13741-13758.
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