Diurnal variation and size dependence of the hygroscopicity of organic aerosol at a forest site in Wakayama, Japan: their relationship to CCN concentrations

Deng, Yange; Yai, Hikari; Fujinari, Hiroaki; Kawana, Kaori; Nakayama, Tomoki; Mochida, Michihiro

doi:https://doi.org/10.5194/acp-19-5889-2019

Articles | Volume 19, issue 9

https://doi.org/10.5194/acp-19-5889-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-5889-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 9

Research article

|

06 May 2019

Research article |

| 06 May 2019

Diurnal variation and size dependence of the hygroscopicity of organic aerosol at a forest site in Wakayama, Japan: their relationship to CCN concentrations

Yange Deng, Hikari Yai, Hiroaki Fujinari, Kaori Kawana, Tomoki Nakayama, and Michihiro Mochida

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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Diurnal variation and size-dependence of the hygroscopicity of organic aerosol at a forest site in Wakayama, Japan: their relationship to CCN concentrations', Anonymous Referee #1, 19 Nov 2018
RC2: 'Comments from Referee #3', Anonymous Referee #3, 06 Dec 2018
AC1: 'Reply to RC1 and RC2', Michihiro Mochida, 24 Jan 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Michihiro Mochida on behalf of the Authors (25 Jan 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (25 Jan 2019) by Veli-Matti Kerminen

RR by Anonymous Referee #3 (06 Mar 2019)

ED: Publish subject to minor revisions (review by editor) (06 Mar 2019) by Veli-Matti Kerminen

AR by Michihiro Mochida on behalf of the Authors (19 Mar 2019) Author's response Manuscript

ED: Publish as is (25 Mar 2019) by Veli-Matti Kerminen

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Short summary

Organic aerosol (OA) components account for 20–90 % of sub-micrometer aerosol mass and have a broad distribution of hygroscopicity. For the first time, the diurnal variation and size dependence of the hygroscopicity of OA were characterized for a forest in East Asia. The observed variation and dependence were assessed from the viewpoint of biogenic secondary organic aerosol formation, and they strongly affected the contribution of OA to the CCN number concentration.