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dc.contributor.authorMoret-Fernández, Davides_ES
dc.contributor.authorGonzález-Cebollada, Césares_ES
dc.contributor.authorLatorre Garcés, Borjaes_ES
dc.contributor.authorPérez Laguardia, Valeroes_ES
dc.date.issued2015-11-
dc.identifier.citationMoret-Fernández D, González-Cebollada C, Latorre B, Pérez V. A modified hood infiltrometer to estimate the soil hydraulic properties from the transient water flow measurements. Journal of Hydrology 530: 554–560 (2015)es_ES
dc.identifier.issn0022-1694-
dc.identifier.urihttp://hdl.handle.net/10261/126057-
dc.description24 Pags.- 3 Tabls.- 5 Figs. The definitive version is available at: http://www.sciencedirect.com/science/journal/00221694es_ES
dc.description.abstractIn-situ measurements of soil hydraulic properties on covered soil surfaces (i.e. vegetated or residue covered surfaces) are of paramount importance in many agronomic or hydrological researches. These soil parameters are commonly estimated with the tension infiltrometry technique. This paper presents a portable and modified design of the hood infiltrometer (MHI) that, unlike to the original hood infiltrometer, allows estimating the soil hydraulic properties from the transient cumulative infiltration curve. The MHI consists of a water-supply reservoir attaches to a hat-shaped base placed on the soil surface. The base of the hat is closed by a system of sticks and a malleable material ring. To test the viability of this new design, the hydraulic conductivity (Ks) estimated with MHI in a loam soil using the multiple head approach was compared to the corresponding values calculated from the transient infiltration curve analysis. Next, the MHI was tested on three different soils at saturated conditions, and the sorptivity (S) and Ks estimated by the transient infiltration curve analysis were compared to the corresponding values obtained with a disc infiltrometer (DI). An additional field experiment was performed to compare the hydraulic properties measured with MHI on a bare soil and a soil covered with plants. Results demonstrated that this design allows hermetically closing the base of the hat without disturbing the soil surface. The Ks estimated with the multiple head approach was not statistically different (p = 0.61) to that obtained with the transient infiltration curve analysis. No significant differences between the Ks (p = 0.66) and S (p = 0.50) values estimated with DI and MHI were observed. The S values measured with MHI on the covered soil surface were significantly higher than that measured on the adjacent bare soil. These results indicate that MHI can be a viable alternative to estimate the hydraulic properties of covered soils from the measured transient infiltration curve.es_ES
dc.description.sponsorshipThis research was supported by the Ministerio de Ciencia e Innovación of Spain (AGL2007-66320-CO2-02/AGR) and the Aragón Govern-La Caixa Foundation (GA-LC020/2010; 2012/GA LC 074).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectDisc infiltrometeres_ES
dc.subjectHydraulic conductivityes_ES
dc.subjectNonstationary water flow statees_ES
dc.titleA modified hood infiltrometer to estimate the soil hydraulic properties from the transient water flow measurementses_ES
dc.typeArtículoes_ES
dc.identifier.doi10.1016/j.jhydrol.2015.10.014-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.jhydrol.2015.10.014es_ES
dc.identifier.e-issn1879-2707-
dc.rights.licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es_ES
dc.contributor.funderGobierno de Aragónes_ES
dc.contributor.funderLa Caixaes_ES
dc.relation.csices_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
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