Articles | Volume 22, issue 18
Atmos. Chem. Phys., 22, 12367–12386, 2022
https://doi.org/10.5194/acp-22-12367-2022
Atmos. Chem. Phys., 22, 12367–12386, 2022
https://doi.org/10.5194/acp-22-12367-2022
Research article
21 Sep 2022
Research article | 21 Sep 2022

Evaluating the contribution of the unexplored photochemistry of aldehydes on the tropospheric levels of molecular hydrogen (H2)

Maria Paula Pérez-Peña 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: 'Comment on acp-2021-1052', Anonymous Referee #1, 20 Mar 2022
  • RC2: 'Comment on acp-2021-1052', Anonymous Referee #2, 21 Mar 2022
  • AC1: 'Comment on acp-2021-1052', Maria Paula Perez-Pena, 20 May 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Maria Paula Perez-Pena on behalf of the Authors (20 May 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (09 Jun 2022) by John Orlando
RR by Anonymous Referee #1 (15 Jun 2022)
RR by Anonymous Referee #2 (09 Jul 2022)
ED: Publish subject to minor revisions (review by editor) (22 Jul 2022) by John Orlando
AR by Maria Paula Perez-Pena on behalf of the Authors (04 Aug 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (26 Aug 2022) by John Orlando
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Short summary
We used two atmospheric models to test the implications of previously unexplored aldehyde photochemistry on the atmospheric levels of molecular hydrogen (H2). We showed that the new photochemistry from aldehydes produces more H2 over densely forested areas. Compared to the rest of the world, it is over these forested regions where the produced H2 is more likely to be removed. The results highlight that other processes that contribute to atmospheric H2 levels should be studied further.
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