Articles | Volume 19, issue 20
Atmos. Chem. Phys., 19, 13289–13308, 2019
https://doi.org/10.5194/acp-19-13289-2019
Atmos. Chem. Phys., 19, 13289–13308, 2019
https://doi.org/10.5194/acp-19-13289-2019

Research article 28 Oct 2019

Research article | 28 Oct 2019

Semi-quantitative understanding of source contribution to nitrous acid (HONO) based on 1 year of continuous observation at the SORPES station in eastern China

Yuliang Liu et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by W. Nie on behalf of the Authors (02 Aug 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (05 Aug 2019) by Jianzhong Ma
RR by Anonymous Referee #3 (19 Aug 2019)
ED: Publish subject to minor revisions (review by editor) (22 Aug 2019) by Jianzhong Ma
AR by W. Nie on behalf of the Authors (02 Sep 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (03 Sep 2019) by Jianzhong Ma
AR by W. Nie on behalf of the Authors (08 Sep 2019)  Author's response    Manuscript
ED: Publish as is (10 Sep 2019) by Jianzhong Ma
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Short summary
We conducted 1-year continuous measurement of HONO at the SORPES station. We obtained seasonal and diurnal variations of HONO and evaluated the contribution of HONO photolysis to OH radical and the missing daytime source of HONO. We separated the sources of nocturnal HONO into four parts: combustion emissions, soil emission, formation on ground and formation on aerosol, and estimate their contribution semi-quantitatively. The results highlighted ever-changing contributions of HONO sources.
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