Gravity waves in the winter stratosphere over the Southern Ocean: high-resolution satellite observations and 3-D spectral analysis

Hindley, Neil P.; Wright, Corwin J.; Smith, Nathan D.; Hoffmann, Lars; Holt, Laura A.; Alexander, M. Joan; Moffat-Griffin, Tracy; Mitchell, Nicholas J.

doi:https://doi.org/10.5194/acp-19-15377-2019

Articles | Volume 19, issue 24

https://doi.org/10.5194/acp-19-15377-2019

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

https://doi.org/10.5194/acp-19-15377-2019

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

Articles | Volume 19, issue 24

Research article

|

17 Dec 2019

Research article |

| 17 Dec 2019

Gravity waves in the winter stratosphere over the Southern Ocean: high-resolution satellite observations and 3-D spectral analysis

Neil P. Hindley, Corwin J. Wright, Nathan D. Smith, Lars Hoffmann, Laura A. Holt, M. Joan Alexander, Tracy Moffat-Griffin, and Nicholas J. Mitchell

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Final revised paper (published on 17 Dec 2019)
Preprint (discussion started on 15 May 2019)

Interactive discussion

Status: closed

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

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RC1: 'Review of Hindley et al.', Anonymous Referee #1, 15 Jun 2019
RC2: 'Review of Hindley et al.', Anonymous Referee #2, 22 Jul 2019
AC1: 'Authors' Response to Reviewers Comments #1 and #2', Neil Hindley, 13 Sep 2019

Peer-review completion

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

AR by Neil Hindley on behalf of the Authors (13 Sep 2019) Author's response Manuscript

ED: Referee Nomination & Report Request started (19 Sep 2019) by Rolf Müller

RR by Markus Rapp (24 Sep 2019)

RR by Anonymous Referee #1 (15 Oct 2019)

ED: Publish subject to technical corrections (17 Oct 2019) by Rolf Müller

AR by Neil Hindley on behalf of the Authors (17 Oct 2019) Manuscript

Short summary

In this study, a 3–D Stockwell transform is applied to AIRS–Aqua satellite observations in the first extended 3–D study of stratospheric gravity waves over the Southern Ocean during winter. A dynamic environment is revealed that contains some of the most intense gravity wave sources on Earth. A particularly striking result is a large–scale meridional convergence of gravity wave momentum flux towards latitudes near 60 °S, something which is not normally considered in model parameterisations.