Limited influence of dry deposition of semivolatile organic vapors on secondary organic aerosol formation in the urban plume

The dry deposition of volatile organic compounds (VOCs) and its impact on secondary organic aerosols (SOA) are investigated in the Mexico City plume. Gas‐phase chemistry and gas‐particle partitioning of oxygenated VOCs are modeled with the Generator of Explicit Chemistry and Kinetics of Organics in...

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Veröffentlicht in:Geophysical research letters 2013-06, Vol.40 (12), p.3302-3307
Hauptverfasser: Hodzic, A., Madronich, S., Aumont, B., Lee-Taylor, J., Karl, T., Camredon, M., Mouchel-Vallon, C.
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Sprache:eng
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Zusammenfassung:The dry deposition of volatile organic compounds (VOCs) and its impact on secondary organic aerosols (SOA) are investigated in the Mexico City plume. Gas‐phase chemistry and gas‐particle partitioning of oxygenated VOCs are modeled with the Generator of Explicit Chemistry and Kinetics of Organics in the Atmosphere (GECKO‐A) from C3 to C25 alkanes, alkenes, and light aromatics. Results show that dry deposition of oxidized gases is not an efficient sink for SOA, as it removes
ISSN:0094-8276
1944-8007
DOI:10.1002/grl.50611