Articles | Volume 15, issue 8
The Cryosphere, 15, 3921–3948, 2021
The Cryosphere, 15, 3921–3948, 2021
Research article
20 Aug 2021
Research article | 20 Aug 2021

Experimental and model-based investigation of the links between snow bidirectional reflectance and snow microstructure

Marie Dumont et al.

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Cited articles

Arnaud, L., Picard, G., Champollion, N., Domine, F., Gallet, J.-C., Lefebvre, E., Fily, M., and Barnola, J.-M.: Measurement of vertical profiles of snow specific surface area with a 1 cm resolution using infrared reflectance: instrument description and validation, J. Glaciol., 57, 17–29,, 2011. a, b
Bond, T. C. and Bergstrom, R. W.: Light Absorption by Carbonaceous Particles: An Investigative Review, Aerosol Sci. Technol., 40, 27–67,, 2006. a
Bonnefoy, N.: Développement d'un spectrophoto-goniomètre pour l'étude de la réflectance bidirectionnelle de surfaces géophysiques: application au soufre et perspectives pour le satellite Io, PhD thesis, Université Joseph Fourier, Grenoble, 2001. a
Brissaud, O., Schmitt, B., Bonnefoy, N., Doute, S., Rabou, P., Grundy, W., and Fily, M.: Spectrogonio radiometer for the study of the bidirectional reflectance and polarization functions of planetary surfaces. 1. Design and tests, Appl. Opt., 43, 1926–1937, 2004. a, b
Brzoska, J.-B., Flin, F., and Barckicke, J.: Explicit iterative computation of diffusive vapour field in the 3-D snow matrix: preliminary results for low flux metamorphism, Ann. Glaciol., 48, 13–18,, 2008. a
Short summary
The role of snow microstructure in snow optical properties is only partially understood despite the importance of snow optical properties for the Earth system. We present a dataset combining bidirectional reflectance measurements and 3D images of snow. We show that the snow reflectance is adequately simulated using the distribution of the ice chord lengths in the snow microstructure and that the impact of the morphological type of snow is especially important when ice is highly absorptive.