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The Cryosphere An interactive open-access journal of the European Geosciences Union
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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.
The angular reflection of solar radiation by snow surfaces is particularly anisotropic and...
TC | Articles | Volume 14, issue 11
The Cryosphere, 14, 3959–3978, 2020
https://doi.org/10.5194/tc-14-3959-2020
The Cryosphere, 14, 3959–3978, 2020
https://doi.org/10.5194/tc-14-3959-2020

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.

Data sets

Hemispherical-directional reflectance factor (HDRF) of snow surfaces retrieved from airborne camera measurements in Antarctica during austral summer in 2013/14 Tim Carlsen, Gerit Birnbaum, André Ehrlich, Veit Helm, Evelyn Jäkel, Michael Schäfer, and Manfred Wendisch https://doi.pangaea.de/10.1594/PANGAEA.921707

Publications Copernicus
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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.
The angular reflection of solar radiation by snow surfaces is particularly anisotropic and...
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