Intercomparison of nitrous acid (HONO) measurement techniques in a megacity (Beijing)

Crilley, Leigh R.; Kramer, Louisa J.; Ouyang, Bin; Duan, Jun; Zhang, Wenqian; Tong, Shengrui; Ge, Maofa; Tang, Ke; Qin, Min; Xie, Pinhua; Shaw, Marvin D.; Lewis, Alastair C.; Mehra, Archit; Bannan, Thomas J.; Worrall, Stephen D.; Priestley, Michael; Bacak, Asan; Coe, Hugh; Allan, James; Percival, Carl J.; Popoola, Olalekan A. M.; Jones, Roderic L.; Bloss, William J.

doi:https://doi.org/10.5194/amt-12-6449-2019

Articles | Volume 12, issue 12

https://doi.org/10.5194/amt-12-6449-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

In-depth study of air pollution sources and processes within...

https://doi.org/10.5194/amt-12-6449-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 12

Research article

|

09 Dec 2019

Research article |

| 09 Dec 2019

Intercomparison of nitrous acid (HONO) measurement techniques in a megacity (Beijing)

Leigh R. Crilley, Louisa J. Kramer, Bin Ouyang, Jun Duan, Wenqian Zhang, Shengrui Tong, Maofa Ge, Ke Tang, Min Qin, Pinhua Xie, Marvin D. Shaw, Alastair C. Lewis, Archit Mehra, Thomas J. Bannan, Stephen D. Worrall, Michael Priestley, Asan Bacak, Hugh Coe, James Allan, Carl J. Percival, Olalekan A. M. Popoola, Roderic L. Jones, and William J. Bloss

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Final revised paper (published on 09 Dec 2019)
Supplement to the final revised paper
Preprint (discussion started on 15 May 2019)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

SC1: 'A few questions', Ezra Wood, 25 Jul 2019
RC1: 'Comments on “Intercomparison of nitrous acid (HONO) measurement techniques in a megacity (Beijing)” by Crilley et al.', Anonymous Referee #1, 14 Aug 2019
- AC1: 'Response to Reviewers 1, 2 and SC1', Leigh Crilley, 09 Oct 2019
RC2: 'AMT-2019-139 Review', Anonymous Referee #2, 21 Aug 2019
- AC1: 'Response to Reviewers 1, 2 and SC1', Leigh Crilley, 09 Oct 2019

Peer-review completion

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

AR by Leigh Crilley on behalf of the Authors (09 Oct 2019)

ED: Publish as is (29 Oct 2019) by Jochen Stutz

AR by Leigh Crilley on behalf of the Authors (31 Oct 2019) Author's response Manuscript

Short summary

Nitrous acid (HONO) is key species for understanding tropospheric chemistry, yet accurate and precise measurements are challenging. Here we report an inter–comparison exercise of a number of instruments that measured HONO in a highly polluted location (Beijing). All instruments agreed on the temporal trends yet displayed divergence in absolute concentrations. The cause of this divergence was unclear, but it may in part be due to spatial variability in instrument location.