Measurements of traffic-dominated pollutant emissions in a Chinese megacity

Squires, Freya A.; Nemitz, Eiko; Langford, Ben; Wild, Oliver; Drysdale, Will S.; Acton, W. Joe F.; Fu, Pingqing; Grimmond, C. Sue B.; Hamilton, Jacqueline F.; Hewitt, C. Nicholas; Hollaway, Michael; Kotthaus, Simone; Lee, James; Metzger, Stefan; Pingintha-Durden, Natchaya; Shaw, Marvin; Vaughan, Adam R.; Wang, Xinming; Wu, Ruili; Zhang, Qiang; Zhang, Yanli

doi:https://doi.org/10.5194/acp-20-8737-2020

Articles | Volume 20, issue 14

https://doi.org/10.5194/acp-20-8737-2020

© Author(s) 2020. 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/acp-20-8737-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 14

Research article

|

23 Jul 2020

Research article |

| 23 Jul 2020

Measurements of traffic-dominated pollutant emissions in a Chinese megacity

Freya A. Squires, Eiko Nemitz, Ben Langford, Oliver Wild, Will S. Drysdale, W. Joe F. Acton, Pingqing Fu, C. Sue B. Grimmond, Jacqueline F. Hamilton, C. Nicholas Hewitt, Michael Hollaway, Simone Kotthaus, James Lee, Stefan Metzger, Natchaya Pingintha-Durden, Marvin Shaw, Adam R. Vaughan, Xinming Wang, Ruili Wu, Qiang Zhang, and Yanli Zhang

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Final revised paper (published on 23 Jul 2020)
Preprint (discussion started on 28 Jan 2020)

Interactive discussion

Status: closed

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

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RC1: 'Review', Anonymous Referee #1, 13 Feb 2020
RC2: 'Review of Squires et al.', Anonymous Referee #2, 26 Apr 2020
AC1: 'Authors' Responses to Reviewers', Freya Squires, 27 May 2020

Peer-review completion

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

AR by Freya Squires on behalf of the Authors (27 May 2020) Author's response Manuscript

ED: Publish as is (23 Jun 2020) by Delphine Farmer

AR by Freya Squires on behalf of the Authors (23 Jun 2020)

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Short summary

Significant air quality problems exist in megacities like Beijing, China. To manage air pollution, legislators need a clear understanding of pollutant emissions. However, emissions inventories have large uncertainties, and reliable field measurements of pollutant emissions are required to constrain them. This work presents the first measurements of traffic-dominated emissions in Beijing which suggest that inventories overestimate these emissions in the region during both winter and summer.