Global impact of nitrate photolysis in sea-salt aerosol on NOx, OH, and O3 in the marine boundary layer

Kasibhatla, Prasad; Sherwen, Tomás; Evans, Mathew J.; Carpenter, Lucy J.; Reed, Chris; Alexander, Becky; Chen, Qianjie; Sulprizio, Melissa P.; Lee, James D.; Read, Katie A.; Bloss, William; Crilley, Leigh R.; Keene, William C.; Pszenny, Alexander A. P.; Hodzic, Alma

doi:https://doi.org/10.5194/acp-18-11185-2018

Articles | Volume 18, issue 15

https://doi.org/10.5194/acp-18-11185-2018

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

https://doi.org/10.5194/acp-18-11185-2018

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

Articles | Volume 18, issue 15

Research article

|

10 Aug 2018

Research article |

| 10 Aug 2018

Global impact of nitrate photolysis in sea-salt aerosol on NO_x, OH, and O₃ in the marine boundary layer

Prasad Kasibhatla, Tomás Sherwen, Mathew J. Evans, Lucy J. Carpenter, Chris Reed, Becky Alexander, Qianjie Chen, Melissa P. Sulprizio, James D. Lee, Katie A. Read, William Bloss, Leigh R. Crilley, William C. Keene, Alexander A. P. Pszenny, and Alma Hodzic

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Preprint (discussion started on 07 May 2018)
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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: 'Interactive comment on manuscript “Global impact of nitrate photolysis in sea-salt aerosol on NOx, OH, and O3 in the marine boundary layer” by P. Kasibhatla et al.', Anonymous Referee #1, 06 Jun 2018
RC2: 'Review of Global impact of nitrate photolysis in sea-salt aerosol on NOx, OH, and O3 in the marine boundary layer', Anonymous Referee #2, 02 Jul 2018
AC1: 'Response to reviewers', Prasad Kasibhatla, 16 Jul 2018

Peer-review completion

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

AR by Prasad Kasibhatla on behalf of the Authors (16 Jul 2018) Author's response Manuscript

ED: Publish as is (20 Jul 2018) by Christopher Hoyle

AR by Prasad Kasibhatla on behalf of the Authors (20 Jul 2018)

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Short summary

Recent measurements of NO_x and HONO suggest that photolysis of particulate nitrate in sea-salt aerosols is important in terms of marine boundary layer oxidant chemistry. We present the first global-scale assessment of the significance of this new chemical pathway for NO_x, O₃, and OH in the marine boundary layer. We also present a preliminary assessment of the potential impact of photolysis of particulate nitrate associated with other aerosol types on continental boundary layer chemistry.