Articles | Volume 16, issue 8
Atmos. Chem. Phys., 16, 4987–5007, 2016
https://doi.org/10.5194/acp-16-4987-2016
Atmos. Chem. Phys., 16, 4987–5007, 2016
https://doi.org/10.5194/acp-16-4987-2016

Research article 22 Apr 2016

Research article | 22 Apr 2016

Aerosol optical properties in the southeastern United States in summer – Part 1: Hygroscopic growth

Charles A. Brock et al.

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AR by Anna Wenzel on behalf of the Authors (16 Feb 2016)  Author's response
ED: Referee Nomination & Report Request started (03 Mar 2016) by Andreas Petzold
RR by Anonymous Referee #2 (23 Mar 2016)
ED: Publish subject to technical corrections (24 Mar 2016) by Andreas Petzold
Short summary
Microscopic pollution particles make the atmosphere look hazy and also cool the earth by sending sunlight back to space. When the air is moist, these particles swell with water and scatter even more sunlight. We showed that particles formed from organic material – which dominates particulate pollution in the southeastern U.S. – does not take up water very effectively, toward the low end of most previous studies. We also found a better way to mathematically describe this swelling process.
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