Articles | Volume 21, issue 24
Atmos. Chem. Phys., 21, 18213–18225, 2021
https://doi.org/10.5194/acp-21-18213-2021
Atmos. Chem. Phys., 21, 18213–18225, 2021
https://doi.org/10.5194/acp-21-18213-2021

Research article 16 Dec 2021

Research article | 16 Dec 2021

Is the ocean surface a source of nitrous acid (HONO) in the marine boundary layer?

Leigh R. Crilley 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-2021-532', Anonymous Referee #1, 20 Jul 2021
  • RC2: 'Comment on acp-2021-532', Anonymous Referee #2, 25 Aug 2021
  • AC1: 'Author response', Leigh Crilley, 01 Nov 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Leigh Crilley on behalf of the Authors (01 Nov 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (08 Nov 2021) by John Orlando
AR by Leigh Crilley on behalf of the Authors (15 Nov 2021)  Author's response    Manuscript
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Short summary
Nitrous acid (HONO) is a key source of atmospheric oxidants. We evaluate if the ocean surface is a source of HONO for the marine boundary layer, using measurements from two contrasting coastal locations. We observed no evidence for a night-time ocean surface source, in contrast to previous work. This points to significant geographical variation in the predominant HONO formation mechanisms in marine environments, reflecting possible variability in the sea-surface microlayer composition.
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