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Reliability, repeatability and accuracy of the falling head method for hydraulic conductivity measurements under laboratory conditions
dc.contributor.author | Pedescoll Albacar, Anna |
dc.contributor.author | Samsó Campà, Roger |
dc.contributor.author | Romero Morales, Enrique Edgar |
dc.contributor.author | Puigagut Juárez, Jaume |
dc.contributor.author | García Serrano, Joan |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Hidràulica, Marítima i Ambiental |
dc.date.accessioned | 2012-02-15T12:45:10Z |
dc.date.available | 2012-02-15T12:45:10Z |
dc.date.created | 2010-07-08 |
dc.date.issued | 2010-07-08 |
dc.identifier.citation | Pedescoll, A. [et al.]. Reliability, repeatability and accuracy of the falling head method for hydraulic conductivity measurements under laboratory conditions. "Ecological engineering", 08 Juliol 2010, vol. 37, núm. 5, p. 754-757. |
dc.identifier.issn | 0925-8574 |
dc.identifier.uri | http://hdl.handle.net/2117/15159 |
dc.description.abstract | The aim of this study was to verify under lab conditions the reliability, repeatability and accuracy of the falling head method (FHM) for hydraulic conductivity measurements. TheFHMis a reliable procedure that has slight variations (less than 10%) in repeated measurements and turns out to be a reliable technique to record the hydraulic conductivities typically described for clogged and unclogged subsurface-flow constructed wetlands (from 4 to ca. 360 m/day). The accuracy of the method is acceptable considering difficulties in the measurement of hydraulic conductivity in highly conductive media. Accordingly, results show measurement deviations of 20% when compared with a laboratory constant head method for highly conductive media (higher than 250 m/day), and 80% for media with low hydraulic conductivity (lower than 50 m/day). The main conclusion of the present paper is that of the FHM is a reliable and repeatable technique for hydraulic conductivity measurements and it is accurate enough for on-site clogging assessment in full-scale constructed wetlands. |
dc.format.extent | 4 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls |
dc.subject.lcsh | Soil permeability -- Mathematical models. |
dc.title | Reliability, repeatability and accuracy of the falling head method for hydraulic conductivity measurements under laboratory conditions |
dc.type | Article |
dc.subject.lemac | Sòls -- Permeabilitat -- Models matemàtics |
dc.contributor.group | Universitat Politècnica de Catalunya. GEMMA - Grup d'Enginyeria i Microbiologia del Medi Ambient |
dc.contributor.group | Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques |
dc.identifier.doi | 10.1016/j.ecoleng.2010.06.032 |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 9602763 |
dc.description.version | Postprint (published version) |
local.citation.author | Pedescoll, A.; Samsó, R.; Romero, E.; Puigagut, J.; García, J. |
local.citation.publicationName | Ecological engineering |
local.citation.volume | 37 |
local.citation.number | 5 |
local.citation.startingPage | 754 |
local.citation.endingPage | 757 |
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