Articles | Volume 9, issue 5
https://doi.org/10.5194/tc-9-1857-2015
https://doi.org/10.5194/tc-9-1857-2015
Research article
 | 
23 Sep 2015
Research article |  | 23 Sep 2015

A macroscale mixture theory analysis of deposition and sublimation rates during heat and mass transfer in dry snow

A. C. Hansen and W. E. Foslien

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Short summary
We implement a continuum mixture theory to elucidate coupled heat and mass transfer phenomena occurring in a snow cover. The effects of mass transfer near the ground, near the surface including diurnal temperature effects, as well as adjacent to an ice crust are examined. The analysis requires an accurate assessment of thermal conductivity and the mass diffusion coefficient for snow. An analytical model for these parameters is developed, showing remarkable agreement with numerical models.