Articles | Volume 26, issue 2
https://doi.org/10.5194/hess-26-397-2022
https://doi.org/10.5194/hess-26-397-2022
Research article
 | 
25 Jan 2022
Research article |  | 25 Jan 2022

Evaporation front and its motion

Jiří Mls

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Subject: Vadose Zone Hydrology | Techniques and Approaches: Theory development
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Cited articles

Assouline, S., Tyler, S. W., Selker, J. S., Lunati, I., Higgins, C. W., and Parlange, M. B.: Evaporation from a shallow water table: Diurnal dynamics of water and heat at the surface of drying sand, Water Resour. Res., 49, 4022–4034, https://doi.org/10.1002/wrcr.20293, 2013. a
Bruthans, J., Filippi, M., Slavik, M., and Svobodova, E.: Origin of honeycombs: Testing the hydraulic and case hardening hypotheses, Geomorphology, 303, 68–83, https://doi.org/10.1016/j.geomorph.2017.11.013, 2018. a
Deol, P. K., Heitman, J. L., Amoozegar, A., Ren, T., and Horton, R.: Inception and Magnitude of Subsurface Evaporation for a Bare Soil with Natural Surface Boundary Conditions, Soil Sci. Soc. Am. J., 78, 1544–1551, https://doi.org/10.2136/sssaj2013.12.0520, 2014. a
Hadley, G.: Theoretical treatment of evaporation front drying, Int. J. Heat Mass Tran., 25, 1511–1522, https://doi.org/10.1016/0017-9310(82)90030-8, 1982. a
Il'ichev, A. T. and Shargatov, V. A.: Dynamics of water evaporation fronts, Comput. Math. Math. Phys., 53, 1350–1370, https://doi.org/10.1134/S0965542513090078, 2013. a
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Short summary
In the paper the evaporation front is considered the interface that separates the wet part of a porous medium from its dry surroundings, and its exact definition in time and space is given. Subsequently, the law of the front's motion is derived. The general problem governing completely the front's motion is formulated and, for a special case, solved numerically. It is shown that the solution makes it possible to locate the rate of vaporization in time and space.