Photochemical impacts of haze pollution in an urban environment

Hollaway, Michael; Wild, Oliver; Yang, Ting; Sun, Yele; Xu, Weiqi; Xie, Conghui; Whalley, Lisa; Slater, Eloise; Heard, Dwayne; Liu, Dantong

doi:https://doi.org/10.5194/acp-19-9699-2019

Articles | Volume 19, issue 15

https://doi.org/10.5194/acp-19-9699-2019

© 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/acp-19-9699-2019

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

Articles | Volume 19, issue 15

Research article

|

01 Aug 2019

Research article |

| 01 Aug 2019

Photochemical impacts of haze pollution in an urban environment

Michael Hollaway, Oliver Wild, Ting Yang, Yele Sun, Weiqi Xu, Conghui Xie, Lisa Whalley, Eloise Slater, Dwayne Heard, and Dantong Liu

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Final revised paper (published on 01 Aug 2019)
Preprint (discussion started on 28 Jan 2019)

Interactive discussion

Status: closed

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

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RC1: 'Great combination of measurements and models to assess photochemistry in aerosol-polluted environs.', Anonymous Referee #1, 06 Feb 2019
RC2: 'Review of “Photochemical impacts of haze pollution in an urban environment” by M. Holloway et al.', Anonymous Referee #2, 14 Mar 2019
AC1: 'Responses to reviewer comments', Michael Hollaway, 14 May 2019

Peer-review completion

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

AR by Michael Hollaway on behalf of the Authors (11 Jun 2019) Author's response Manuscript

ED: Publish as is (17 Jun 2019) by Frank Keutsch

Short summary

This study, for the first time, uses combinations of aerosol and lidar data to drive an offline photolysis scheme. Absorbing species are shown to have the greatest impact on photolysis rate constants in the winter and scattering aerosol are shown to dominate responses in the summer. During haze episodes, aerosols are shown to produce a greater impact than cloud cover. The findings demonstrate the potential photochemical impacts of haze pollution in a highly polluted urban environment.