You are in the accessibility menu

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/33232
Full metadata record
DC FieldValueLanguage
dc.contributor.authorGuerrini, I. A.-
dc.contributor.authorSwartzendruber, D.-
dc.date.accessioned2014-05-20T15:22:13Z-
dc.date.accessioned2016-10-25T17:55:51Z-
dc.date.available2014-05-20T15:22:13Z-
dc.date.available2016-10-25T17:55:51Z-
dc.date.issued1997-11-01-
dc.identifierhttp://dx.doi.org/10.1097/00010694-199711000-00002-
dc.identifier.citationSoil Science. Baltimore: Williams & Wilkins, v. 162, n. 11, p. 778-784, 1997.-
dc.identifier.issn0038-075X-
dc.identifier.urihttp://hdl.handle.net/11449/33232-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/33232-
dc.description.abstractFractal geometry would appear to offer promise for new insight on water transport in unsaturated soils, This study was conducted to evaluate possible fractal influence on soil water diffusivity, and/or the relationships from which it arises, for several different soils, Fractal manifestations, consisting of a time-dependent diffusion coefficient and anomalous diffusion arising out of fractional Brownian motion, along with the notion of space-filling curves were gleaned from the literature, It was found necessary to replace the classical Boltzmann variable and its time t(1/2) factor with the basic fractal power function and its t(n) factor, For distinctly unsaturated soil water content theta, exponent n was found to be less than 1/2, but it approached 1/2 as theta approached its sated value, This function n = n(theta), in giving rise to a time-dependent, anomalous soil water diffusivity D, was identified with the Hurst exponent H of fractal geometry, Also, n approaching 1/2 at high water content is a behavior that makes it possible to associate factal space filling with soil that approaches water saturation, Finally, based on the fractally interpreted n = n(theta), the coalescence of both D and 8 data is greatly improved when compared with the coalescence provided by the classical Boltzmann variable.en
dc.format.extent778-784-
dc.language.isoeng-
dc.publisherWilliams & Wilkins-
dc.sourceWeb of Science-
dc.titleFractal concepts in relation to soil water diffusivityen
dc.typeoutro-
dc.contributor.institutionUNIV NEBRASKA-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUNIV NEBRASKA,DEPT AGRON,LINCOLN,NE 68583-
dc.description.affiliationSTATE UNIV SAO PAULO,DEPT FIS & BIOFIS,BOTUCATU,SP,BRAZIL-
dc.description.affiliationUnespSTATE UNIV SAO PAULO,DEPT FIS & BIOFIS,BOTUCATU,SP,BRAZIL-
dc.identifier.doi10.1097/00010694-199711000-00002-
dc.identifier.wosWOS:A1997YH70400002-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofSoil Science-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

There are no files associated with this item.
 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.