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The influence of pore water velocity on solute transport in unsaturated soils


The influence of pore water velocity on solute transport in unsaturated soils



Journal of Chinese Soil and Water Conservation 25(2): 61-71



The methods of power series expansion and numerical scheme were expanded to solve the vertical one-dimension flow equation and solute transport equations. The dispersion coefficient in the second equation was considered as a function of pore water velocity instead of water content. Results showed that the effects of infiltration and pore water velocity had a significant role in soils with high hydraulic conductivity and that the effect of infiltration increased with time.

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