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Secondary organic a...
Secondary organic aerosol reduced by mixture of atmospheric vapours
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- McFiggans, Gordon (author)
- University of Manchester
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Mentel, Thomas F. (author)
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- Wildt, Jürgen (author)
- Forschungszentrum Jülich GmbH
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- Iida, Pullinen, (author)
- Forschungszentrum Jülich GmbH
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- Kang, Sungah (author)
- Forschungszentrum Jülich GmbH
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- Kleist, Einhard (author)
- Forschungszentrum Jülich GmbH
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- Schmitt, Sebastian (author)
- Forschungszentrum Jülich GmbH
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- Springer, Monika (author)
- Forschungszentrum Jülich GmbH
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- Tillmann, Ralf (author)
- Forschungszentrum Jülich GmbH
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- Wu, Cheng, 1985 (author)
- Forschungszentrum Jülich GmbH
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- Zhao, Defeng (author)
- Forschungszentrum Jülich GmbH,Fudan University
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- Hallquist, Mattias, 1969 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,University of Gothenburg,IVL Svenska Miljöinstitutet AB,IVL Swedish Environmental Research Institute
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- Faxon, Cameron (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,University of Gothenburg
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- Le Breton, Michael, 1986 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,University of Gothenburg
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- Hallquist, Åsa (author)
- IVL Svenska Miljöinstitutet
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- Simpson, David, 1961 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bergström, Robert, 1968 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology,University of Gothenburg,Sveriges meteorologiska och hydrologiska institut (SMHI),Swedish Meteorological and Hydrological Institute (SMHI),Chalmers tekniska högskola,Chalmers University of Technology
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- Jenkin, Michael E (author)
- Helsingin Yliopisto,University of Helsinki
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Ehn, Mikael (author)
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- Thornton, Joel A (author)
- University of Washington
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- Alfarra, M Rami (author)
- University of Manchester
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- Bannan, Thomas J (author)
- University of Manchester
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- Percival, Carl J (author)
- University of Manchester
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- Priestley, Michael (author)
- University of Manchester,Göteborgs universitet,University of Gothenburg
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- Topping, David (author)
- University of Manchester
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- Kiendler-Scharr, Astrid (author)
- Forschungszentrum Jülich GmbH
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- Mentel, Th. F. (author)
- Forschungszentrum Jülich GmbH
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(creator_code:org_t)
- 2019-01-30
- 2019
- English.
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In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 565:7741, s. 587-593
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Abstract
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- Secondary organic aerosol contributes to the atmospheric particle burden with implications for air quality and climate. Biogenic volatile organic compounds such as terpenoids emitted from plants are important secondary organic aerosol precursors with isoprene dominating the emissions of biogenic volatile organic compounds globally. However, the particle mass from isoprene oxidation is generally modest compared to that of other terpenoids. Here we show that isoprene, carbon monoxide and methane can each suppress the instantaneous mass and the overall mass yield derived from monoterpenes in mixtures of atmospheric vapours. We find that isoprene 'scavenges' hydroxyl radicals, preventing their reaction with monoterpenes, and the resulting isoprene peroxy radicals scavenge highly oxygenated monoterpene products. These effects reduce the yield of low-volatility products that would otherwise form secondary organic aerosol. Global model calculations indicate that oxidant and product scavenging can operate effectively in the real atmosphere. Thus highly reactive compounds (such as isoprene) that produce a modest amount of aerosol are not necessarily net producers of secondary organic particle mass and their oxidation in mixtures of atmospheric vapours can suppress both particle number and mass of secondary organic aerosol. We suggest that formation mechanisms of secondary organic aerosol in the atmosphere need to be considered more realistically, accounting for mechanistic interactions between the products of oxidizing precursor molecules (as is recognized to be necessary when modelling ozone production).
Subject headings
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
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McFiggans, Gordo ...
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Mentel, Thomas F ...
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Wildt, Jürgen
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Iida, Pullinen
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Kang, Sungah
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Kleist, Einhard
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show more...
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Schmitt, Sebasti ...
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Springer, Monika
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Tillmann, Ralf
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Wu, Cheng, 1985
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Zhao, Defeng
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Hallquist, Matti ...
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Faxon, Cameron
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Le Breton, Micha ...
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Hallquist, Åsa
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Simpson, David, ...
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Bergström, Rober ...
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Jenkin, Michael ...
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Ehn, Mikael
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Thornton, Joel A
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Alfarra, M Rami
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Bannan, Thomas J
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Percival, Carl J
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Priestley, Micha ...
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Topping, David
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Kiendler-Scharr, ...
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Mentel, Th. F.
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Nature
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University of Gothenburg
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Chalmers University of Technology
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IVL Swedish Environmental Research Institute