The Cryosphere
The Cryosphere
TC
Articles | Volume 9, issue 5
Articles | Volume 9, issue 5
https://doi.org/10.5194/tc-9-1819-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-9-1819-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 9, issue 5
Research article
 | 
17 Sep 2015
Research article |  | 17 Sep 2015

Thermal energy in dry snow avalanches

W. Steinkogler, B. Sovilla, and M. Lehning

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Short summary
Infrared radiation thermography (IRT) was used to assess the surface temperature of avalanches with high spatial resolution. Thermal energy increase due to friction was mainly depending on the elevation drop of the avalanche. Warming due to entrainment was very specific to the individual avalanche and depends on the temperature of the snow along the path and the erosion depth. The warmest temperatures were located in the deposits of the dense core.
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