Articles | Volume 15, issue 15
Atmos. Chem. Phys., 15, 8871–8888, 2015
https://doi.org/10.5194/acp-15-8871-2015
Atmos. Chem. Phys., 15, 8871–8888, 2015
https://doi.org/10.5194/acp-15-8871-2015

Research article 13 Aug 2015

Research article | 13 Aug 2015

Examining the effects of anthropogenic emissions on isoprene-derived secondary organic aerosol formation during the 2013 Southern Oxidant and Aerosol Study (SOAS) at the Look Rock, Tennessee ground site

S. H. Budisulistiorini et al.

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AR by Anna Wenzel on behalf of the Authors (16 Jul 2015)  Author's response
ED: Publish as is (29 Jul 2015) by Peter DeCarlo
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Short summary
Isoprene epoxydiols (IEPOX) are major gas-phase products from the atmospheric oxidation of isoprene that yield secondary organic aerosol (SOA) by reactive uptake onto acidic sulfate aerosol. We report a substantial contribution of IEPOX-derived SOA to the total fine aerosol collected during summer. IEPOX-derived SOA measured by online and offline mass spectrometry techniques is correlated with acidic sulfate aerosol, demonstrating the critical role of anthropogenic emissions in its formation.
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