Articles | Volume 11, issue 6
The Cryosphere, 11, 2727–2741, 2017
https://doi.org/10.5194/tc-11-2727-2017

Special issue: Intercomparison of methods to characterise snow...

The Cryosphere, 11, 2727–2741, 2017
https://doi.org/10.5194/tc-11-2727-2017
Research article
27 Nov 2017
Research article | 27 Nov 2017

Comparison of different methods to retrieve optical-equivalent snow grain size in central Antarctica

Tim Carlsen et al.

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Cited articles

Birnbaum, G., Brauner, R., and Ries, H.: Synoptic situations causing high precipitation rates on the Antarctic plateau: observations from Kohnen Station, Dronning Maud Land, Antarct. Sci., 18, 279–288, https://doi.org/10.1017/S0954102006000320, 2006.
Bohren, C. and Barkstrom, B.: Theory of the optical properties of snow, J. Geophys. Res., 79, 4527–4535, 1974.
Brückner, M., Pospichal, B., Macke, A., and Wendisch, M.: A new multispectral cloud retrieval method for ship-based solar transmissivity measurements, J. Geophys. Res., 119, 11338–11354, https://doi.org/10.1002/2014JD021775, 2014.
Burton-Johnson, A., Black, M., Fretwell, P. T., and Kaluza-Gilbert, J.: An automated methodology for differentiating rock from snow, clouds and sea in Antarctica from Landsat 8 imagery: a new rock outcrop map and area estimation for the entire Antarctic continent, The Cryosphere, 10, 1665–1677, https://doi.org/10.5194/tc-10-1665-2016, 2016.
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Short summary
The optical size of snow grains (ropt) affects the reflectivity of snow surfaces and thus the local surface energy budget in particular in polar regions. The temporal evolution of ropt retrieved from ground-based, airborne, and spaceborne remote sensing could reproduce optical in situ measurements for a 2-month period in central Antarctica (2013/14). The presented validation study provided a unique testbed for retrievals of ropt under Antarctic conditions where in situ data are scarce.