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Special issue: Megacities: air quality and climate impacts from local to...
Research article 13 Nov 2012
Research article | 13 Nov 2012
A. Colette et al.
Highly oxygenated organic molecules(HOMs) are important for aerosol growth and new particle formation, particularly in air masses with less sulphuric acid. This new chemical mechanism reproduces measured [HOM] and [HOM-precursors] and is concise enough for use in global climate models. The mechanism also reproduces the observed suppression of HOMs by isoprene, suggesting enhanced emissions may not necessarily lead to more aerosol. The greater importance of HOMs in the PI is also illustrated.
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