Articles | Volume 10, issue 2
https://doi.org/10.5194/tc-10-791-2016
https://doi.org/10.5194/tc-10-791-2016
Research article
 | 
07 Apr 2016
Research article |  | 07 Apr 2016

Metamorphism during temperature gradient with undersaturated advective airflow in a snow sample

Pirmin Philipp Ebner, Martin Schneebeli, and Aldo Steinfeld

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Short summary
Changes of the porous ice structure were observed in a snow sample. Sublimation occurred due to the slight undersaturation of the incoming air into the warmer ice matrix. Diffusion of water vapor opposite to the direction of the temperature gradient counteracted the mass transport of advection. Therefore, the total net ice change was negligible, leading to a constant porosity profile. However, the strong recrystallization of water molecules in snow may impact its isotopic or chemical content.