Articles | Volume 9, issue 5
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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Cited articles

Adams, E. and Brown, R.: Further results on studies of temperature gradient metamorphism, J. Glaciol., 28, 205–209, 1982.
Adams, E. and Brown, R.: A mixture theory for evaluating heat and mass transport processes in nonhomogeneous snow, Continuum Mech. Therm., 2, 31–63, 1990.
Albert, M. R. and McGilvary, W. R.: Thermal effects due to air flow and vapor transport in dry snowl, J. Glaciol., 38, 273–281, 1992.
Auriault, J.-L., Boution, C., and Geindreau, C.: Homogenization of Coupled Phenomena in Heterogeneous Media, John Wiley and Sons, London, 2009.
Bader, H. P. and Weilenmann, P.: Modeling temperature distribution, energy and mass flow in a (phase-changing) snowpack, I. Model and case studies, Cold Reg. Sci. Technol., 20, 157–181,, 1992.
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.