The Cryosphere
The Cryosphere
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Articles | Volume 14, issue 11
Articles | Volume 14, issue 11
https://doi.org/10.5194/tc-14-4063-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-4063-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 11
Research article
 | 
16 Nov 2020
Research article |  | 16 Nov 2020

Small-scale spatial variability in bare-ice reflectance at Jamtalferner, Austria

Lea Hartl, Lucia Felbauer, Gabriele Schwaizer, and Andrea Fischer

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Short summary
When glaciers become snow-free in summer, darker glacier ice is exposed. The ice surface is darker than snow and absorbs more radiation, which increases ice melt. We measured how much radiation is reflected at different wavelengths in the ablation zone of Jamtalferner, Austria. Due to impurities and water on the ice surface there are large variations in reflectance. Landsat 8 and Sentinel-2 surface reflectance products do not capture the full range of reflectance found on the glacier.
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