Articles | Volume 15, issue 2
The Cryosphere, 15, 793–820, 2021
https://doi.org/10.5194/tc-15-793-2021
The Cryosphere, 15, 793–820, 2021
https://doi.org/10.5194/tc-15-793-2021

Research article 17 Feb 2021

Research article | 17 Feb 2021

Effect of small-scale snow surface roughness on snow albedo and reflectance

Terhikki Manninen et al.

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Latest update: 23 Sep 2021
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Short summary
The primary goal of this paper is to present a model of snow surface albedo (brightness) accounting for small-scale surface roughness effects. It can be combined with any volume scattering model. The results indicate that surface roughness may decrease the albedo by about 1–3 % in midwinter and even more than 10 % during the late melting season. The effect is largest for low solar zenith angle values and lower bulk snow albedo values.