Ozone response to emission reductions in the southeastern United States

Blanchard, Charles L.; Hidy, George M.

doi:https://doi.org/10.5194/acp-18-8183-2018

Articles | Volume 18, issue 11

https://doi.org/10.5194/acp-18-8183-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-8183-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 11

Research article

|

13 Jun 2018

Research article |

| 13 Jun 2018

Ozone response to emission reductions in the southeastern United States

Charles L. Blanchard and George M. Hidy

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Final revised paper (published on 13 Jun 2018)
Supplement to the final revised paper
Preprint (discussion started on 08 Aug 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 Blanchard and Hidy: More comparison of their OPE results to others and potential biases needed.', Anonymous Referee #1, 01 Sep 2017
- AC1: 'Authors' response', Charles Blanchard, 03 Oct 2017
SC1: 'Short comments', Meiyun Lin, 13 Sep 2017
- AC2: 'Authors' response', Charles Blanchard, 03 Oct 2017
RC2: 'Review of "Ozone Response to Emission Reductions in the Southeastern United States" by Blanchard and Hidy', David Parrish, 12 Dec 2017
- AC3: 'Manuscript revision', Charles Blanchard, 09 Jan 2018

Peer-review completion

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

AR by Charles Blanchard on behalf of the Authors (09 Jan 2018) Author's response Manuscript

ED: Reconsider after major revisions (13 Jan 2018) by Min Shao

AR by Charles Blanchard on behalf of the Authors (24 Feb 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (30 Mar 2018) by Min Shao

RR by David Parrish (10 Apr 2018)

RR by Anonymous Referee #1 (22 Apr 2018)

ED: Publish subject to technical corrections (19 May 2018) by Min Shao

AR by Charles Blanchard on behalf of the Authors (29 May 2018) Author's response Manuscript

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Short summary

Ozone (O₃) formation in the southeastern US was studied in relation to nitrogen oxide (NO_x) emissions using long-term (1990s–2015) measurements of the SEARCH network and U.S. EPA data. NO_x emissions decreased by ~ 60 %. Annual fourth-highest daily peak 8 h O₃ mixing ratios declined toward ~ 45–50 ppbv at ~1 ppbv yr⁻¹ and O₃ exhibited increasing sensitivity to NO_x. This study illustrates the value of consistent, long-term measurements of O₃ and reactive nitrogen made at both urban and rural sites.