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Numerical Study of Macropore Impact on Ponded Infiltration in Clay Soils

Author

Listed:
  • Radka Kodešová

    (Department of Soil Science and Geology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Agriculture in Prague, Prague, Czech Republic;)

  • Josef Kozák

    (Department of Soil Science and Geology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Agriculture in Prague, Prague, Czech Republic;)

  • Jiří Šimůnek

    (Department of Environmental Sciences, University of California Riverside, CA, USA)

Abstract

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.

Suggested Citation

  • Radka Kodešová & Josef Kozák & Jiří Šimůnek, 2006. "Numerical Study of Macropore Impact on Ponded Infiltration in Clay Soils," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 1(1), pages 16-22.
    • Handle: RePEc:caa:jnlswr:v:1:y:2006:i:1:id:6501-swr
    DOI: 10.17221/6501-SWR
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