A general Beerkan Estimation of Soil Transfer parameters method predicting hydraulic parameters of any unimodal water retention and hydraulic conductivity curves: Application to the Kosugi soil hydraulic model without using particle size distribution data
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Fernández Gálvez, Jesús; Pollacco, J.A.P.; Lassabatere, Laurent; Angulo-Jaramillo, Rafael; Carrick, SamEditorial
Elsevier
Fecha
2019Resumen
Soil hydraulic characterization is crucial to describe the retention and transport of water in soil, but current
methodologies limit its spatial applicability. This paper presents a cost-effective general Beerkan Estimation of
Soil Transfer parameters (BEST) methodology using single ring infiltration experiments to derive soil hydraulic
parameters for any unimodal water retention and hydraulic conductivity functions. The proposed method relies
on the BEST approach. The novelty lies in the use of Kosugi hydraulic parameters without need for textural information. In addition, the method uses a quasi-exact formulation that is valid for all times, which avoids the
use of approximate expansions and related inaccuracy. The new BEST methods were tested against numerically
generated data for several contrasting synthetic soils, and the results show that these methods provide consistent hydraulic functions close to the target functions. The new BEST method is accurate and can use any water
retention and hydraulic conductivity functions.