QUASI-STEADY CENTRIFUGE METHOD FOR UNSATURATED HYDRAULIC PROPERTIES (Articolo in rivista)

Type
Label
  • QUASI-STEADY CENTRIFUGE METHOD FOR UNSATURATED HYDRAULIC PROPERTIES (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1029/2005WR003957 (literal)
Alternative label
  • CAPUTO M.C.; NIMMO J.R. (2005)
    QUASI-STEADY CENTRIFUGE METHOD FOR UNSATURATED HYDRAULIC PROPERTIES
    in Water resources research; American Geophysical Union, Washington (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • CAPUTO M.C.; NIMMO J.R. (literal)
Pagina inizio
  • 1 (literal)
Pagina fine
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.agu.org/pubs/crossref/2005/2005WR003957.shtml (literal)
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  • 41 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • W11504, DOI:10.1029/2005WR003957 (literal)
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  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Maria C. Caputo - Water Research Institute (IRSA), Consiglio Nazionale delle Ricerche, Bari, Italy John R. Nimmo - U.S. Geological Survey, Menlo Park, California, USA (literal)
Titolo
  • QUASI-STEADY CENTRIFUGE METHOD FOR UNSATURATED HYDRAULIC PROPERTIES (literal)
Abstract
  • We have developed the quasi-steady centrifuge (QSC) method as a variation of the steady state centrifuge method that can be implemented simply and inexpensively with greater versatility in terms of sample size and other features. It achieves these advantages by somewhat relaxing the criterion for steadiness of flow through the sample. This compromise entails an increase in measurement uncertainty but to a degree that is tolerable in most applications. We have tested this new approach with an easily constructed apparatus to establish a quasi-steady flow of water in unsaturated porous rock samples spinning in a centrifuge, obtaining measurements of unsaturated hydraulic conductivity and water retention that agree with results of other methods. The QSC method is adaptable to essentially any centrifuge suitable for hydrogeologic applications, over a wide range of sizes and operating speeds. The simplified apparatus and greater adaptability of this method expands the potential for exploring situations that are common in nature but have been the subject of few laboratory investigations. (literal)
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