Study of the dependence of long-term stratospheric ozone trends on local solar time

Maillard Barras, Eliane; Haefele, Alexander; Nguyen, Liliane; Tummon, Fiona; Ball, William T.; Rozanov, Eugene V.; Rüfenacht, Rolf; Hocke, Klemens; Bernet, Leonie; Kämpfer, Niklaus; Nedoluha, Gerald; Boyd, Ian

doi:https://doi.org/10.5194/acp-20-8453-2020

Articles | Volume 20, issue 14

https://doi.org/10.5194/acp-20-8453-2020

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

https://doi.org/10.5194/acp-20-8453-2020

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

Articles | Volume 20, issue 14

Research article

|

20 Jul 2020

Research article |

| 20 Jul 2020

Study of the dependence of long-term stratospheric ozone trends on local solar time

Eliane Maillard Barras, Alexander Haefele, Liliane Nguyen, Fiona Tummon, William T. Ball, Eugene V. Rozanov, Rolf Rüfenacht, Klemens Hocke, Leonie Bernet, Niklaus Kämpfer, Gerald Nedoluha, and Ian Boyd

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Final revised paper (published on 20 Jul 2020)
Preprint (discussion started on 17 Feb 2020)

Interactive discussion

Status: closed

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

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RC1: 'Review of Barras et. aļ. Study of trend dependence on LST', Anonymous Referee #1, 16 Mar 2020
RC2: 'Review of the manuscript „Study of the dependence of stratospheric ozone long-term trends on local solar time“ by Maillard Barras et al.', Anonymous Referee #2, 02 Apr 2020
AC1: 'Author's response to RC1 and RC2', Eliane Maillard Barras, 24 May 2020

Peer-review completion

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

AR by Eliane Maillard Barras on behalf of the Authors (24 May 2020) Author's response Manuscript

ED: Publish as is (09 Jun 2020) by Jens-Uwe Grooß

AR by Eliane Maillard Barras on behalf of the Authors (12 Jun 2020)

Short summary

To determine the part of the variability of the long-term ozone profile trends coming from measurement timing, we estimate microwave radiometer trends for each hour of the day with a multiple linear regression model. The variation in the trend with local solar time is not significant at the 95 % confidence level either in the stratosphere or in the low mesosphere. We conclude that systematic sampling differences between instruments cannot explain significant differences in trend estimates.