Articles with "ppbv" as a keyword



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Comparison of Ozone and PM2.5 Concentrations over Urban, Suburban, and Background Sites in China

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Published in 2020 at "Advances in Atmospheric Sciences"

DOI: 10.1007/s00376-020-0054-2

Abstract: Surface ozone (O3) and fine particulate matter (PM2.5) are dominant air pollutants in China. Concentrations of these pollutants can show significant differences between urban and nonurban areas. However, such contrast has never been explored on… read more here.

Keywords: urban suburban; pm2; ppbv; suburban background ... See more keywords
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Ambient peroxyacyl nitrate concentration and regional transportation in Beijing

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2017.07.053

Abstract: Abstract Peroxyacyl nitrates (PANs) are photochemical secondary pollutants that play a key role in the atmospheric chemistry of the troposphere. However, there have been few studies on the long-term variation and inter-regional transport of PANs.… read more here.

Keywords: ppbv; ambient peroxyacyl; peroxyacyl nitrate; rate ppbv ... See more keywords
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Characterization and ozone formation potential (OFP) of non-methane hydrocarbons under the condition of chemical loss in Guangzhou, China

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Published in 2021 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2021.118630

Abstract: Abstract The conventional analytical studies to determine ozone formation potential (OFP) and potential sources currently ignore the destruction of non-methane hydrocarbons (NMHCs) during atmospheric transport, namely chemical loss. The chemical loss of NMHCs was estimated… read more here.

Keywords: ppbv ppbv; ppbv; ozone formation; chemical loss ... See more keywords