Articles | Volume 18, issue 11
https://doi.org/10.5194/acp-18-7781-2018
https://doi.org/10.5194/acp-18-7781-2018
Research article
 | 
04 Jun 2018
Research article |  | 04 Jun 2018

Secondary aerosol formation promotes water uptake by organic-rich wildfire haze particles in equatorial Asia

Jing Chen, Sri Hapsari Budisulistiorini, Takuma Miyakawa, Yuichi Komazaki, and Mikinori Kuwata

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Latest update: 01 Aug 2025
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Short summary
We present water uptake properties of haze particles originating from Indonesian peatland fires and further link the water uptake to particle chemical characteristics. Organic-rich wildfire haze particles are highly hygroscopic, governed by sulfate and promoted by secondary organic aerosol formation. Water-soluble organic fraction plays a minor role in determining particle hygroscopicity. This deepens our understanding, and reported results can be further applied into climate models.
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