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dc.contributor.authorMoret-Fernández, Davides_ES
dc.contributor.authorLatorre Garcés, Borjaes_ES
dc.contributor.authorPeña-Sancho, Carolinaes_ES
dc.contributor.authorGhezzehei, Teamrat A.es_ES
dc.date.accessioned2017-05-26T07:08:06Z-
dc.date.available2017-05-26T07:08:06Z-
dc.date.issued2016-08-
dc.identifier.citationMoret-Fernández D, Latorre B, Peña-Sancho C. A modified multiple tension upward infiltration method to estimate the soil hydraulic properties. Hydrologica Processes 30 (17): 2991–3003 (2016)es_ES
dc.identifier.issn0885-6087-
dc.identifier.urihttp://hdl.handle.net/10261/150453-
dc.description38 pags.- 3 Tabls.- 11 Figs. The definitive version is available at: http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1099-1085es_ES
dc.description.abstractDetermination of saturated hydraulic conductivity, Ks, and the shape parameters α and n of the water retention curve, θ(h), is of paramount importance to characterize the water flow in the vadose zone. This work presents a modified upward infiltration method to estimate Ks, α and n from numerical inverse analysis of the measured cumulative upward infiltration (CUI) at multiple constant tension lower boundary conditions. Using the HYDRUS-2D software, a theoretical analysis on a synthetic loam soil under different soil tensions (0, 0–10, 0–50 and 0–100 cm), with and without an overpressure step of 10 cm high from the top boundary condition at the end of the upward infiltration process, was performed to check the uniqueness and the accuracy of the solutions. Using a tension sorptivimeter device, the method was validated in a laboratory experiment on five different soils: a coarse and a fine sand, and a 1-mm sieved loam, clay loam and silt-gypseous soils. The estimated α and n parameters were compared to the corresponding values measured with the TDR-pressure cell method. The theoretical analysis demonstrates that Ks and θ(h) can be simultaneously estimated from measured upward cumulative infiltration when high (>50 cm) soil tensions are initially applied at the lower boundary. Alternatively, satisfactory results can be also obtained when medium tensions (<50 cm) and the Ks calculated from the overpressure step at the end of the experiment are considered. A consistent relationship was found between the α (R2 = 0.86, p < 0.02) and n (R2 = 0.97, p < 0.001) values measured with the TDR-pressure cell and the corresponding values estimated with the tension sorptivimeter. The error between the α (in logarithm scale) and n values estimated with the inverse analysis and the corresponding values measured with pressure chamber were 3.1 and 6.1%, respectively.es_ES
dc.language.isoenges_ES
dc.publisherJohn Wiley & Sonses_ES
dc.relation.isversionofPostprintes_ES
dc.rightsopenAccessen_EN
dc.subjectDisc infiltrometeres_ES
dc.subjectHydraulic conductivityes_ES
dc.subjectWater Retention Curvees_ES
dc.subjectHYDRUSes_ES
dc.titleA modified multiple tension upward infiltration method to estimate the soil hydraulic propertieses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1002/hyp.10827-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1002/hyp.10827es_ES
dc.identifier.e-issn1099-1085-
dc.embargo.terms2017-08-31es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeartículo-
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