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    This article has been cited by the following publications. This list is generated based on data provided by CrossRef.

    Soboleva, E. B. and Tsypkin, G. G. 2014. Numerical simulation of convective flows in a soil during the evaporation of water containing a dissolved admixture. Fluid Dynamics, Vol. 49, Issue. 5, p. 634.


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    Zlotnik, Vitaly A. Robinson, Neville I. and Simmons, Craig T. 2010. Salinity dynamics of discharge lakes in dune environments: Conceptual model. Water Resources Research, Vol. 46, Issue. 11, p. n/a.


    Soboleva, E. B. and Tsypkin, G. G. 2016. Regimes of haline convection during the evaporation of groundwater containing a dissolved admixture. Fluid Dynamics, Vol. 51, Issue. 3, p. 364.


    Geng, Xiaolong and Boufadel, Michel C. 2015. Numerical modeling of water flow and salt transport in bare saline soil subjected to evaporation. Journal of Hydrology, Vol. 524, p. 427.


    Khan, Zafar Hayat and Pritchard, David 2013. Liquid–vapour fronts in porous media: Multiplicity and stability of front positions. International Journal of Heat and Mass Transfer, Vol. 61, p. 1.


    Xia, Jiangbao Zhang, Shuyong Zhao, Ximei Liu, Junhua and Chen, Yinping 2016. Effects of different groundwater depths on the distribution characteristics of soil-Tamarix water contents and salinity under saline mineralization conditions. CATENA, Vol. 142, p. 166.


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  • Journal of Fluid Mechanics, Volume 614
  • November 2008, pp. 87-104

Instability of the salinity profile during the evaporation of saline groundwater

  • ANDREJ T. IL'ICHEV (a1), GEORGE G. TSYPKIN (a2), DAVID PRITCHARD (a3) and CHRIS N. RICHARDSON (a4)
  • DOI: http://dx.doi.org/10.1017/S0022112008003182
  • Published online: 10 November 2008
Abstract

In this paper we investigate salt transport during the evaporation and upflow of saline groundwater. We describe a model in which a sharp evaporation–precipitation front separates regions of soil saturated with an air–vapour mixture and with saline water. We then consider two idealized problems. We first investigate equilibrium configurations of the freshwater system when the depth of the soil layer is finite, obtaining results for the location of the front and the upflow of water induced by the evaporation. We then develop a solution for a propagating front in a soil layer of infinite depth and investigate the gravitational stability of the salinity profile which develops below the front, obtaining marginal linear stability conditions in terms of a Rayleigh number and a dimensionless salt saturation parameter. Applying our findings to realistic parameter regimes, we predict that salt fingering is unlikely to occur in low-permeability soils, but is likely in high-permeability (sandy) soils under conditions of relatively low evaporative upflow.

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A. Yakirevich , P. Berliner & S. Sorek 1997 A model for numerical simulating of evaporation from bare saline soil. Wat. Resour. Res. 33 (5), 10211033.

A. Yeo 1999 Predicting the interaction between the effects of salinity and climate change on crop plants. Scientia Horticulturae 78, 159174.

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Journal of Fluid Mechanics
  • ISSN: 0022-1120
  • EISSN: 1469-7645
  • URL: /core/journals/journal-of-fluid-mechanics
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