Directional, horizontal inhomogeneities of cloud optical thickness fields retrieved from ground-based and  airbornespectral imaging

Schäfer, Michael; Bierwirth, Eike; Ehrlich, André; Jäkel, Evelyn; Werner, Frank; Wendisch, Manfred

doi:https://doi.org/10.5194/acp-17-2359-2017

Articles | Volume 17, issue 3

https://doi.org/10.5194/acp-17-2359-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

VERDI – Vertical Distribution of Ice in Arctic Clouds...

https://doi.org/10.5194/acp-17-2359-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 3

Research article

|

15 Feb 2017

Research article |

| 15 Feb 2017

Directional, horizontal inhomogeneities of cloud optical thickness fields retrieved from ground-based and airbornespectral imaging

Michael Schäfer, Eike Bierwirth, André Ehrlich, Evelyn Jäkel, Frank Werner, and Manfred Wendisch

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Final revised paper (published on 15 Feb 2017)
Preprint (discussion started on 26 Aug 2016)

Interactive discussion

Status: closed

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

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RC1: 'Review of Schäfer et al.', Anonymous Referee #1, 20 Sep 2016
- AC1: 'Reply to RC 1', Michael Schäfer, 15 Dec 2016
RC2: 'Review of M. Schäfer, et al. paper “Directional, Horizontal Inhomogeneities of Cloud Optical Thickness Fields Retrieved from Ground-Based and Airborne Spectral Imaging”', Anonymous Referee #2, 11 Oct 2016
- AC2: 'Reply to RC 2', Michael Schäfer, 15 Dec 2016
RC3: 'Review of “Directional, Horizontal Inhomogeneities of Cloud Optical Thickness Fields Retrieved from Ground-Based and Airborne Spectral Imaging” by Schäfer et al – submitted to Atmospheric Chemistry and Physics', Anonymous Referee #3, 19 Oct 2016
- AC3: 'Reply to RC 3', Michael Schäfer, 15 Dec 2016

Peer-review completion

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

AR by Michael Schäfer on behalf of the Authors (15 Dec 2016) Author's response Manuscript

ED: Publish as is (28 Dec 2016) by Matthew Shupe

AR by Michael Schäfer on behalf of the Authors (02 Jan 2017)

Short summary

Cloud optical thickness fields, retrieved from solar spectral radiance measurements, are used to investigate the directional structure of horizontal cloud inhomogeneities with scalar one-dimensional inhomogeneity parameters, two-dimensional auto-correlation functions, and two-dimensional Fourier analysis. The investigations reveal that it is not sufficient to quantify horizontal cloud inhomogeneities by one-dimensional inhomogeneity parameters; two-dimensional parameters are necessary.