Articles | Volume 21, issue 13
Atmos. Chem. Phys., 21, 10199–10213, 2021
https://doi.org/10.5194/acp-21-10199-2021
Atmos. Chem. Phys., 21, 10199–10213, 2021
https://doi.org/10.5194/acp-21-10199-2021

Research article 07 Jul 2021

Research article | 07 Jul 2021

Estimation of secondary organic aerosol viscosity from explicit modeling of gas-phase oxidation of isoprene and α-pinene

Tommaso Galeazzo et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Referee comment on acp-2021-17', Anonymous Referee #1, 03 Mar 2021
  • RC2: 'Comment on acp-2021-17', Anonymous Referee #2, 03 Mar 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Manabu Shiraiwa on behalf of the Authors (01 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (17 May 2021) by Thorsten Bartels-Rausch
RR by Anonymous Referee #1 (17 May 2021)
RR by Anonymous Referee #2 (01 Jun 2021)
ED: Publish as is (10 Jun 2021) by Thorsten Bartels-Rausch
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Short summary
We simulate SOA viscosity with explicit modeling of gas-phase oxidation of isoprene and α-pinene. While the viscosity dependence on relative humidity and mass loadings is captured well by simulations, the model underestimates measured viscosity, indicating missing processes. Kinetic limitations and reduction in mass accommodation may cause an increase in viscosity. The developed model is powerful for investigation of the interplay among gas reactions, chemical composition and phase state.
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