Impacts of an unknown daytime HONO source on the mixing ratio and budget of HONO, and hydroxyl, hydroperoxyl, and organic peroxy radicals, in the coastal regions of China

Tang, Y.; An, J.; Wang, F.; Li, Y.; Qu, Y.; Chen, Y.; Lin, J.

doi:https://doi.org/10.5194/acp-15-9381-2015

Articles | Volume 15, issue 16

https://doi.org/10.5194/acp-15-9381-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-9381-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 16

Research article

|

21 Aug 2015

Research article |

| 21 Aug 2015

Impacts of an unknown daytime HONO source on the mixing ratio and budget of HONO, and hydroxyl, hydroperoxyl, and organic peroxy radicals, in the coastal regions of China

Y. Tang, J. An, F. Wang, Y. Li, Y. Qu, Y. Chen, and J. Lin

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Final revised paper (published on 21 Aug 2015)
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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

AR by Junling An on behalf of the Authors (21 Apr 2015) Author's response Manuscript

ED: Referee Nomination & Report Request started (27 Apr 2015) by Markus Ammann

RR by Anonymous Referee #2 (02 May 2015)

RR by Anonymous Referee #3 (18 May 2015)

ED: Reconsider after minor revisions (Editor review) (01 Jun 2015) by Markus Ammann

AR by Junling An on behalf of the Authors (13 Jun 2015) Author's response Manuscript

ED: Reconsider after minor revisions (Editor review) (24 Jun 2015) by Markus Ammann

AR by Junling An on behalf of the Authors (03 Jul 2015) Author's response Manuscript

ED: Publish as is (02 Aug 2015) by Markus Ammann

AR by Junling An on behalf of the Authors (11 Aug 2015)

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Short summary

High daytime HONO mixing ratios in experiments suggest that an unknown daytime HONO source (P unknown) could exist. P unknown≈19.60×NO2×J(NO2) was obtained using observed data from 13 field experiments across the globe, then coupled into the WRF-Chem model. Simulations indicated that elevated P unknown was found in the coastal regions of China; the additional HONO sources, especially the P unknown produced significant increases of radicals in the major cities, and accelerated the radical cycles.