Mixing of secondary organic aerosols versus relative humidity

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Mixing of secondary organic aerosols versus relative humidity.

Atmospheric aerosols exert a substantial influence on climate, ecosystems, visibility, and human health. Although secondary organic aerosols (SOA) dominate fine-particle mass, they comprise myriad compounds with uncertain sources, chemistry, and interactions. SOA formation involves absorption of vapors into particles, either because gas-phase chemistry produces low-volatility or semivolatile pr...

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Laboratory and Field Investigation of Mixing, Morphology and Optical Properties of Soot and Secondary Organic Aerosols

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Esters as oligomers in secondary organic aerosols

Unambiguous identification of esters as oligomers in secondary organic aerosol formed from cyclohexene and cyclohexene/α-pinene ozonolysis L. Müller, M.-C. Reinnig, J. Warnke, and T. Hoffmann Johannes Gutenberg-Universität, Institut für anorganische Chemie und analytische Chemie, Duesbergweg 10–14 55128 Mainz, Germany Received: 2 August 2007 – Accepted: 9 September 2007 – Published: 26 Septembe...

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Modeling organic aerosols during MILAGRO: importance of biogenic secondary organic aerosols

The meso-scale chemistry-transport model CHIMERE is used to assess our understanding of major sources and formation processes leading to a fairly large amount of organic aerosols – OA, including primary OA (POA) and secondary OA (SOA) – observed in Mexico City during the MILAGRO field project (March 2006). Chemical analyses of submicron aerosols from aerosol mass spectrometers (AMS) indicate th...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2016

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.1604536113