Diurnal fluxes of HONO above a crop rotation

Laufs, Sebastian; Cazaunau, Mathieu; Stella, Patrick; Kurtenbach, Ralf; Cellier, Pierre; Mellouki, Abdelwahid; Loubet, Benjamin; Kleffmann, Jörg

doi:https://doi.org/10.5194/acp-17-6907-2017

Articles | Volume 17, issue 11

https://doi.org/10.5194/acp-17-6907-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-6907-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 11

Research article

|

13 Jun 2017

Research article |

| 13 Jun 2017

Diurnal fluxes of HONO above a crop rotation

Sebastian Laufs, Mathieu Cazaunau, Patrick Stella, Ralf Kurtenbach, Pierre Cellier, Abdelwahid Mellouki, Benjamin Loubet, and Jörg Kleffmann

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Final revised paper (published on 13 Jun 2017)
Supplement to the final revised paper
Preprint (discussion started on 09 Dec 2016)
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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: 'Comments on Laufs et al., ACP-2016-1030', Anonymous Referee #1, 06 Jan 2017
- AC1: 'Response to referee #1', Jörg Kleffmann, 01 Feb 2017
RC2: 'Review of Laufs et al - Diurnal Fluxes of HONO above a crop rotation', Anonymous Referee #2, 12 Feb 2017
- AC2: 'Reply to Referee #2', Jörg Kleffmann, 19 Apr 2017
RC3: 'Comment on " Diurnal fluxes of HONO above a crop rotation " by Laufs et al', Anonymous Referee #3, 22 Feb 2017
- AC3: 'Reply to Referee #3', Jörg Kleffmann, 19 Apr 2017

Peer-review completion

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

AR by Jörg Kleffmann on behalf of the Authors (19 Apr 2017) Author's response Manuscript

ED: Publish subject to technical corrections (12 May 2017) by James Roberts

AR by Jörg Kleffmann on behalf of the Authors (15 May 2017) Author's response Manuscript

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Short summary

Sources of nitrous acid (HONO), a major precursor of the OH radical, are still under controversial discussion. Since mainly ground surface sources have been proposed, HONO fluxes were measured above an agricultural field. Positive daytime fluxes were observed which showed strong correlation with the product of the NO₂ concentration and J(NO₂). These results indicate HONO formation by photosensitized heterogeneous conversion of NO₂ on soil surfaces as observed in recent laboratory studies.