Determining the link between hygroscopicity and composition for semi-volatile aerosol species

Alroe, Joel; Cravigan, Luke T.; Mallet, Marc D.; Ristovski, Zoran D.; Miljevic, Branka; Osuagwu, Chiemeriwo G.; Johnson, Graham R.

doi:https://doi.org/10.5194/amt-11-4361-2018

Articles | Volume 11, issue 7

https://doi.org/10.5194/amt-11-4361-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-11-4361-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 7

Research article

|

24 Jul 2018

Research article |

| 24 Jul 2018

Determining the link between hygroscopicity and composition for semi-volatile aerosol species

Joel Alroe, Luke T. Cravigan, Marc D. Mallet, Zoran D. Ristovski, Branka Miljevic, Chiemeriwo G. Osuagwu, and Graham R. Johnson

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Final revised paper (published on 24 Jul 2018)
Supplement to the final revised paper
Preprint (discussion started on 30 Jan 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review - Alroe et al., "Determining the link between hygroscopicity and composition for semi-volatile aerosol species"', Anonymous Referee #1, 27 Feb 2018
- AC1: 'Response to Anonymous Reviewer 1 (amt-2018-17)', Joel Alroe, 01 Jun 2018
RC2: 'Review of Alroe et al., 2017', Anonymous Referee #2, 05 Mar 2018
- AC2: 'Response to Anonymous Reviewer 2 (amt-2018-17)', Joel Alroe, 01 Jun 2018

Peer-review completion

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

AR by Joel Alroe on behalf of the Authors (17 Jun 2018) Author's response Manuscript

ED: Publish as is (06 Jul 2018) by Francis Pope

AR by Joel Alroe on behalf of the Authors (13 Jul 2018)

Short summary

This study describes a new volatility-based method to directly examine the composition and corresponding hygroscopic contribution of mixed aerosol components. Measurements of chamber-generated secondary organic aerosol and coastal marine aerosol demonstrated effective separation of both internal and external mixtures. In each case, the findings enabled composition-based models to reliably reproduce observed particle hygroscopicities.