Articles | Volume 15, issue 8
https://doi.org/10.5194/acp-15-4045-2015
https://doi.org/10.5194/acp-15-4045-2015
Research article
 | 
17 Apr 2015
Research article |  | 17 Apr 2015

Aerosol optical hygroscopicity measurements during the 2010 CARES campaign

D. B. Atkinson, J. G. Radney, J. Lum, K. R. Kolesar, D. J. Cziczo, M. S. Pekour, Q. Zhang, A. Setyan, A. Zelenyuk, and C. D. Cappa

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AR by Christopher Cappa on behalf of the Authors (12 Mar 2015)  Author's response   Manuscript 
ED: Publish as is (25 Mar 2015) by Joel Thornton
AR by Christopher Cappa on behalf of the Authors (26 Mar 2015)
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Short summary
This work describes an analysis of measurements of the influence of water uptake on the light-scattering properties of sub- and supermicron-sized particles as observed in the Sacramento, CA, USA region during the 2010 CARES field campaign. The observations are used to derive campaign-average effective hygroscopicity parameters for submicron oxygenated organic aerosol and for supermicron particles, and the influence of chloride displacement reactions on particle hygroscopicity is examined.
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