Parameterizing anisotropic reflectance of snow surfaces from airborne digital camera observations in Antarctica

Carlsen, Tim; Birnbaum, Gerit; Ehrlich, André; Helm, Veit; Jäkel, Evelyn; Schäfer, Michael; Wendisch, Manfred

doi:https://doi.org/10.5194/tc-14-3959-2020

Articles | Volume 14, issue 11

The Cryosphere, 14, 3959–3978, 2020

https://doi.org/10.5194/tc-14-3959-2020

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

The Cryosphere, 14, 3959–3978, 2020

https://doi.org/10.5194/tc-14-3959-2020

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

Articles | Volume 14, issue 11

Research article 12 Nov 2020

Research article | 12 Nov 2020

Parameterizing anisotropic reflectance of snow surfaces from airborne digital camera observations in Antarctica

Tim Carlsen et al.

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Final revised paper (published on 12 Nov 2020)
Preprint (discussion started on 26 May 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Parameterizing anisotropic reflectance of snow surfaces from airborne digital camera observations in Antarctica', Anonymous Referee #1, 22 Jun 2020
- AC1: 'Reply to RC1', Tim Carlsen, 31 Aug 2020
RC2: 'Interactive comment on “Parameterizing anisotropic reflectance of snow surfaces from airborne digital camera observations in Antarctica” by Tim Carlsen et al.', Anonymous Referee #2, 03 Jul 2020
- AC2: 'Reply to RC2', Tim Carlsen, 31 Aug 2020
SC1: 'short comment', Aleksey Malinka, 20 Jul 2020
- AC3: 'Reply to Short comment', Tim Carlsen, 31 Aug 2020

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (09 Sep 2020) by Marie Dumont

AR by Tim Carlsen on behalf of the Authors (10 Sep 2020) Author's response Manuscript

ED: Publish as is (04 Oct 2020) by Marie Dumont

Short summary

The angular reflection of solar radiation by snow surfaces is particularly anisotropic and highly variable. We measured the angular reflection from an aircraft using a digital camera in Antarctica in 2013/14 and studied its variability: the anisotropy increases with a lower Sun but decreases for rougher surfaces and larger snow grains. The applied methodology allows for a direct comparison with satellite observations, which generally underestimated the anisotropy measured within this study.