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Impact of overland flow on soil characteristics in Třebsín experimental plots

Author

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  • Hana BAČINOVÁ
  • Pavel KOVÁŘ

    (Department of Land Use and Improvement, Faculty of Environmental Sciences, Czech University of Life Sciences in Prague, Prague, Czech Republic)

Abstract

This paper describes the continuation of simulated outcomes from the plots No. 4 and No. 5 with two different soils, using the KINFIL model to assess the runoff from extreme rainfall. The KINFIL model is a physically-based, parameter-distributed 3D model that has been applied to the Třebsín experimental station in the Czech Republic. This model was used for the first time in 2012 to simulate the impact of overland flow caused by natural or sprinkler-made intensive rains on four of the nine experimental plots. This measurement of a rain simulator producing a high-intensity rainfall involves also hydraulic conductivity, soil sorptivity, plot geometry and granulometric curves to be used for the present analysis. However, since 2012, the KINFIL model has been amended to provide a more effective comparison of the measured and computed results using the values of new parameters such as storage suction factor and field capacity on plot 4 and plot 5. The KINFIL model uses all input data mentioned above, and it produces the output data such as gross rainfall, effective rainfall, runoff discharge hydraulic depths, hydraulic velocities and shear velocities as well as shear stress values depending on the soil particle distribution. These processes are innovative, physically based, and both the measured and the computed results fit reliably.

Suggested Citation

  • Hana BAČINOVÁ & Pavel KOVÁŘ, 2017. "Impact of overland flow on soil characteristics in Třebsín experimental plots," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 12(3), pages 187-193.
    • Handle: RePEc:caa:jnlswr:v:12:y:2017:i:3:id:133-2016-swr
    DOI: 10.17221/133/2016-SWR
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    References listed on IDEAS

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    1. P. Kovář & H. Bačinová & J. Loula & D. Fedorova, 2016. "Use of terraces to mitigate the impacts of overland flow and erosion on a catchment," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(4), pages 171-177.
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    1. Darya FEDOROVÁ & Hana BAČINOVÁ & Pavel KOVÁŘ, 2017. "Use of terraces to reduce overland flow and soil erosion, comparison of the HEC-HMS model and the KINFIL model application," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 12(4), pages 195-201.

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