Measurement report: Long-term variations in carbon monoxide at a background station in China's Yangtze River Delta region

Chen, Yijing; Ma, Qianli; Lin, Weili; Xu, Xiaobin; Yao, Jie; Gao, Wei

doi:https://doi.org/10.5194/acp-20-15969-2020

Articles | Volume 20, issue 24

https://doi.org/10.5194/acp-20-15969-2020

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

https://doi.org/10.5194/acp-20-15969-2020

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

Articles | Volume 20, issue 24

Measurement report

|

22 Dec 2020

Measurement report |

| 22 Dec 2020

Measurement report: Long-term variations in carbon monoxide at a background station in China's Yangtze River Delta region

Yijing Chen, Qianli Ma, Weili Lin, Xiaobin Xu, Jie Yao, and Wei Gao

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Final revised paper (published on 22 Dec 2020)
Supplement to the final revised paper
Preprint (discussion started on 28 Jul 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Chen et al. “Long-term variations in carbon monoxide at a background station in China’s Yangtze River Delta region”', Anonymous Referee #1, 23 Aug 2020
RC2: 'review', Anonymous Referee #2, 04 Sep 2020
- AC2: 'Response to comments by referee 2', Yi jing Chen, 20 Oct 2020
AC1: 'Response to comments by referee 1', Yi jing Chen, 20 Oct 2020
AC3: 'Response to comments by referee 1', Yi jing Chen, 20 Oct 2020

Peer-review completion

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

AR by Yijing Chen on behalf of the Authors (20 Oct 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (28 Oct 2020) by Steven Brown

RR by Anonymous Referee #2 (02 Nov 2020)

ED: Publish as is (02 Nov 2020) by Steven Brown

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Short summary

CO is one of the major air pollutants. Our study showed that the long-term CO levels at a background station in one of the most developed areas of China decreased significantly and verified that this downward trend was attributed to the decrease in anthropogenic emissions, which indicated that the adopted pollution control policies were effective. Also, this decrease has an implication for the atmospheric chemistry considering the negative correlation between CO levels and OH radical's lifetime.