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Ubiquity of Anthropogenic Terpenoids in Cities Worldwide: Emission Ratios, Emission Quantification and Implications for Urban Atmospheric Chemistry
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2023
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Source: Journal of Geophysical Research: Atmospheres, 128(7)
[PDF-5.07 MB]
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:Terpenoids (isoprene and monoterpenes) are highly reactive Volatile Organic Compounds (VOCs) known for decades for their biogenic origin. Here, we discuss the nature and magnitude of their anthropogenic emissions. We compiled and re-analyzed 14 data sets of in situ VOC observations collected over the last decade in contrasting urban areas from mid-latitudes to subtropical regions. We show the systematic presence of anthropogenic terpenoids in urban ambient air with clear covariations with anthropogenic compounds ( R 2 > 0.50) even during mid-latitude winters. Despite the emerging importance of monoterpene emissions from consumer products in North American cities, there is some evidence of monoterpene emissions
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Source:Journal of Geophysical Research: Atmospheres, 128(7)
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ISSN:2169-897X;2169-8996;
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Rights Information:Other
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