Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto

You, Yuan; Staebler, Ralf M.; Moussa, Samar G.; Su, Yushan; Munoz, Tony; Stroud, Craig; Zhang, Junhua; Moran, Michael D.

doi:https://doi.org/10.5194/acp-17-14119-2017

Articles | Volume 17, issue 22

https://doi.org/10.5194/acp-17-14119-2017

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

https://doi.org/10.5194/acp-17-14119-2017

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

Articles | Volume 17, issue 22

Research article

|

28 Nov 2017

Research article |

| 28 Nov 2017

Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto

Yuan You, Ralf M. Staebler, Samar G. Moussa, Yushan Su, Tony Munoz, Craig Stroud, Junhua Zhang, and Michael D. Moran

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Final revised paper (published on 28 Nov 2017)
Supplement to the final revised paper
Preprint (discussion started on 03 May 2017)
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

RC1: 'Review of “Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto.” By You et al.', Anonymous Referee #1, 28 May 2017
- AC1: 'Authors' response to comments from reviewer 1- Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto', Yuan You, 26 Sep 2017
RC2: 'Review of "Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto" by You et al.', Anonymous Referee #2, 04 Jun 2017
- AC2: 'Authors' response to the comments from reviewer2-Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto', Yuan You, 27 Sep 2017
EC1: 'Comments from anonymous reviewer 3', Jonathan Williams, 15 Aug 2017
- AC3: 'response to comments from reviewer 3-Long-path measurements of pollutants and micrometeorology over Highway 401 in Toronto', Yuan You, 27 Sep 2017

Peer-review completion

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

AR by Yuan You on behalf of the Authors (27 Sep 2017) Author's response Manuscript

ED: Publish as is (06 Oct 2017) by Jonathan Williams

AR by Yuan You on behalf of the Authors (10 Oct 2017) Manuscript

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Short summary

A novel approach for traffic emission measurements is shown to have the capacity to provide high-time-resolution accurate concentrations of key air pollutants. A top-down method for quantifying real-world emission rates produced vehicular emission factor estimates for carbon monoxide that agreed well with bottom-up values. Significant ammonia and hydrogen cyanide emissions were observed. The main factors modulating the concentrations were turbulent mixing and traffic density.