Determining short-term changes in the hydraulic properties of a sandy-loam soil by a three-run infiltration experiment |
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| Authors: | V Bagarello N Cecere S M David |
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| Institution: | 1. Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy https://orcid.org/0000-0003-3575-549X;2. Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy |
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| Abstract: | ABSTRACTSoil structure-dependent parameters can vary rapidly as a consequence of perturbing events such as intense rainfall. Investigating their short-term changes is therefore essential to understand the general behaviour of a porous medium. The aim of this study is to gain insight into the effects of wetting, perturbation and recovery processes through different sequences of Beerkan infiltration experiments performed on a sandy-loam soil. Two different three-run infiltration experiments (LHL and LLL) were carried out by pouring water at low (L, non-perturbing) and high (H, perturbing) heights above the soil surface and at short time intervals (hours, days). The results demonstrate that the proposed method allows one to capture short-term variations in soil structure-dependent parameters. The developed methodology is expected to simplify the parameterization of hydrological models with temporally variable soil hydraulic properties. |
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| Keywords: | soil hydrodynamic parameters mechanical disturbance soil structure recovery Beerkan run |
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https://orcid.org/0000-0003-3575-549X;2. Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy