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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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ACP | Articles | Volume 20, issue 2
Atmos. Chem. Phys., 20, 865–880, 2020
https://doi.org/10.5194/acp-20-865-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 865–880, 2020
https://doi.org/10.5194/acp-20-865-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 23 Jan 2020

Research article | 23 Jan 2020

Distinct diurnal variation in organic aerosol hygroscopicity and its relationship with oxygenated organic aerosol

Ye Kuang et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Wenzel on behalf of the Authors (19 Dec 2019)  Author's response
ED: Publish subject to technical corrections (19 Dec 2019) by James Allan
AR by Ye Kuang on behalf of the Authors (20 Dec 2019)  Author's response    Manuscript
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Short summary
A new method was developed to calculate hygroscopicity parameter κ of organic aerosols (κOA) based on aerosol light-scattering measurements and bulk aerosol chemical-composition measurements. Derived high-time-resolution κOA varied in a wide range (near 0 to 0.25), and the organic aerosol oxidation degree significantly impacts variations in κOA. Distinct diurnal variation in κOA is found, and its relationship with oxygenated organic aerosol is discussed.
A new method was developed to calculate hygroscopicity parameter κ of organic aerosols (κOA)...
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