Soil & Water Res., 2006, 1(1):16-22 | DOI: 10.17221/6501-SWR

Numerical Study of Macropore Impact on Ponded Infiltration in Clay SoilsOriginal Paper

Radka Kodešová1, Josef Kozák1, Jiří Šimůnek2
1 Department of Soil Science and Geology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Agriculture in Prague, Prague, Czech Republic;
2 Department of Environmental Sciences, University of California Riverside, CA, USA

The single-porosity and dual-permeability models in HYDRUS-1D (Šimůnek et al. 1998, 2003) were used to simulate variably-saturated water movement in clay soils with and without macropores. Numerical simulations of water flow for several scenarios of probable macropore compositions show a considerable impact of preferential flow on water infiltration in such soils. Preferential flow must be considered to predict water recharge in clay soils.

Keywords: ponded infiltration; macropores and fractures; preferential flow; single-porosity system; dual-permeability system; HYDRUS-1D

Published: March 31, 2006  Show citation

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Kodešová R, Kozák J, Šimůnek J. Numerical Study of Macropore Impact on Ponded Infiltration in Clay Soils. Soil & Water Res. 2006;1(1):16-22. doi: 10.17221/6501-SWR.
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