Estimation of the direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric PM<sub>10</sub> and PM<sub>2.5</sub>

Tian, Y. Z.; Wang, J.; Peng, X.; Shi, G. L.; Feng, Y. C.

doi:https://doi.org/10.5194/acp-14-9469-2014

Articles | Volume 14, issue 18

https://doi.org/10.5194/acp-14-9469-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Atmospheric impacts of Eastern Asia megacities

https://doi.org/10.5194/acp-14-9469-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 18

Research article

|

16 Sep 2014

Research article |

| 16 Sep 2014

Estimation of the direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric PM₁₀ and PM_2.5

Y. Z. Tian, J. Wang, X. Peng, G. L. Shi, and Y. C. Feng

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

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RC C2633: 'review of Estimation of direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric fine and coarse particles by Tian et al.,', Anonymous Referee #2, 22 May 2014
- AC C3972: 'Replay to Referee #2', Guoliang Shi, 23 Jun 2014
RC C3165: 'comment on “Estimation of direct and indirect impacts of ﬁreworks on the physicochemical characteristics of atmospheric ﬁne and coarse particles” by Y.-Z. Tian et al.', Anonymous Referee #3, 03 Jun 2014
- AC C3980: 'Replay to Referee #3', Guoliang Shi, 23 Jun 2014

Peer-review completion

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

AR by Guoliang Shi on behalf of the Authors (17 Jul 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (17 Jul 2014) by Klaus Schaefer

RR by Anonymous Referee #2 (19 Jul 2014)

Suggestions for revision or reasons for rejection

Line 41, delete one “%”
Line 41-43, three significant digits may be enough
Line 143, please be specific-“24 hour samples”
Line 255-260, “177.78 ug/m3 of PM10 in winter 2000”, “227.2 ug/m3 of PM2.5 in 2008 winter”. It is of concern why 2000 (nearly 15 years ago) and 2008 were chosen here, and why different years are selected for PM10 and PM2.5 respectively. Are these studies conducted during the whole winter period, for example, three months? Are the sampling in 2008 and 2000, also covered the CNY or not? If so, what’s the difference in ambient PM levels during the CNY in different years？
In winter 2008, from the date you present here, why the concentration was much higher than that during the heavy-firework period, and if PM2.5 reached 227 ug/m3, the level of PM10 would be more higher that will higher than 249.08 ug/m3 for PM10 during the heavy-firework period in your study.
It is accepted that ambient PM pollution levels changed over the last several years. Therefore, it is better for the authors to compare the results from the near year like 2012-2014 of your sampling period in 2013, if you can access the data. Maybe the office data in Chinese monitoring network can be useful.
Line 270-275, it appears that in both light- and heavy-firework periods, the mass percents of OC in fine PM2.5 to that in total PM10 were slightly higher, may be statistically insignificant, than those for EC. Is there any explanation as EC is often believed to preferably present in fine particle than OC? Can it be due to specific source of OC/EC during the firework burning, or mean a strong influence of secondary formation of OC in fine particle?
In addition, in the extracted profile of fireworks, did the author observe a higher percent of EC in PM2.5 to EC in PM10, than OC?
Line 305, “50:50”-mass ratio?

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RR by Anonymous Referee #3 (30 Jul 2014)

ED: Reconsider after minor revisions (Editor review) (30 Jul 2014) by Klaus Schaefer

AR by Guoliang Shi on behalf of the Authors (01 Aug 2014) Author's response Manuscript

ED: Publish as is (01 Aug 2014) by Klaus Schaefer

AR by Guoliang Shi on behalf of the Authors (05 Aug 2014)

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Estimation of the direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric PM10 and PM2.5

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Interactive discussion

Peer-review completion

Estimation of the direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric PM₁₀ and PM_2.5