Spectroscopic evidence of large aspherical <i>β</i>-NAT
particles involved in denitrification in the December 2011 Arctic
stratosphere

Woiwode, Wolfgang; Höpfner, Michael; Bi, Lei; Pitts, Michael C.; Poole, Lamont R.; Oelhaf, Hermann; Molleker, Sergej; Borrmann, Stephan; Klingebiel, Marcus; Belyaev, Gennady; Ebersoldt, Andreas; Griessbach, Sabine; Grooß, Jens-Uwe; Gulde, Thomas; Krämer, Martina; Maucher, Guido; Piesch, Christof; Rolf, Christian; Sartorius, Christian; Spang, Reinhold; Orphal, Johannes

doi:https://doi.org/10.5194/acp-16-9505-2016

Articles | Volume 16, issue 14

https://doi.org/10.5194/acp-16-9505-2016

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

https://doi.org/10.5194/acp-16-9505-2016

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

Articles | Volume 16, issue 14

Research article

|

29 Jul 2016

Research article |

| 29 Jul 2016

Spectroscopic evidence of large aspherical β-NAT particles involved in denitrification in the December 2011 Arctic stratosphere

Wolfgang Woiwode, Michael Höpfner, Lei Bi, Michael C. Pitts, Lamont R. Poole, Hermann Oelhaf, Sergej Molleker, Stephan Borrmann, Marcus Klingebiel, Gennady Belyaev, Andreas Ebersoldt, Sabine Griessbach, Jens-Uwe Grooß, Thomas Gulde, Martina Krämer, Guido Maucher, Christof Piesch, Christian Rolf, Christian Sartorius, Reinhold Spang, and Johannes Orphal

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Final revised paper (published on 29 Jul 2016)
Preprint (discussion started on 18 Mar 2016)

Interactive discussion

Status: closed

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

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RC1: 'Review of Woiwode et al.', Anonymous Referee #1, 08 Apr 2016
- AC1: 'Author response to comments of referee #1', Wolfgang Woiwode, 24 Jun 2016
RC2: 'Nice analysis. A few clarifications would help.', Anonymous Referee #2, 30 Apr 2016
- AC2: 'Author response to comments of referee #2', Wolfgang Woiwode, 24 Jun 2016
SC1: 'comparison with lab experiments by M.J. Rossi and H. Grothe', Hinrich Grothe, 13 May 2016
- AC3: 'Author response to interactive comment of H. Grothe and M. J. Rossi', Wolfgang Woiwode, 24 Jun 2016

Peer-review completion

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

AR by Wolfgang Woiwode on behalf of the Authors (24 Jun 2016) Author's response Manuscript

ED: Publish as is (04 Jul 2016) by Harald Saathoff

AR by Wolfgang Woiwode on behalf of the Authors (06 Jul 2016)

Short summary

The analysis of spectral signatures of a polar stratospheric cloud in airborne infrared remote sensing observations in the Arctic in combination with further collocated measurements supports the view that the observed cloud consisted of highly aspherical nitric acid trihydrate particles. A characteristic "shoulder-like" spectral signature may be exploited for identification of large, highly aspherical nitric acid trihydrate particles involved in denitrification of the polar winter stratosphere.