High-resolution observations of small-scale gravity waves and turbulence features in the OH airglow layer

Sedlak, René; Hannawald, Patrick; Schmidt, Carsten; Wüst, Sabine; Bittner, Michael

doi:https://doi.org/10.5194/amt-9-5955-2016

Articles | Volume 9, issue 12

https://doi.org/10.5194/amt-9-5955-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-9-5955-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 12

Research article

|

12 Dec 2016

Research article |

| 12 Dec 2016

High-resolution observations of small-scale gravity waves and turbulence features in the OH airglow layer

René Sedlak, Patrick Hannawald, Carsten Schmidt, Sabine Wüst, and Michael Bittner

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Final revised paper (published on 12 Dec 2016)
Supplement to the final revised paper
Preprint (discussion started on 12 Sep 2016)
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', Anonymous Referee #1, 19 Sep 2016
- AC1: 'Response to Referee Comment #1', René Sedlak, 04 Nov 2016
RC2: 'High resolution observations of small scale gravity waves and turbulence features in the OH layer', Anonymous Referee #2, 13 Oct 2016
- AC2: 'Response to Referee Comment #2', René Sedlak, 04 Nov 2016
AC3: 'Marked-up version of revised manuscript', René Sedlak, 09 Nov 2016

Short summary

In this paper a SWIR airglow imager is presented. It is especially designed for the observation of small-scale gravity waves and turbulence features in the OH airglow layer with a high spatio-temporal resolution of up to 17 m (at mesopause heights) and 2.5 to 2.8 s. Two case studies show small-scale wave structures with horizontal wavelengths of approximately 550 m as well as vortex formation and decomposition of wave fronts, both indicating the onset of turbulence.