A note to the variable sorptivity infiltration equation

dc.contributor.author	Argyrokastritis, I	en
dc.contributor.author	Kerkides, P	en
dc.date.accessioned	2014-06-06T06:45:25Z
dc.date.available	2014-06-06T06:45:25Z
dc.date.issued	2003	en
dc.identifier.issn	09204741	en
dc.identifier.uri	http://dx.doi.org/10.1023/A:1023663223269	en
dc.identifier.uri	http://62.217.125.90/xmlui/handle/123456789/2429
dc.subject	Infiltration	en
dc.subject	Infiltration equations	en
dc.subject	Porous media	en
dc.subject	Sorptivity	en
dc.subject.other	Boundary conditions	en
dc.subject.other	Infiltration	en
dc.subject.other	Numerical methods	en
dc.subject.other	Sorption	en
dc.subject.other	Infiltration surfaces	en
dc.subject.other	Soil surveys	en
dc.subject.other	boundary conditions	en
dc.subject.other	equation	en
dc.subject.other	infiltration	en
dc.subject.other	porous medium	en
dc.subject.other	soil	en
dc.subject.other	boundary condition	en
dc.subject.other	empirical analysis	en
dc.subject.other	equation	en
dc.subject.other	infiltration	en
dc.subject.other	parameterization	en
dc.subject.other	porous medium	en
dc.subject.other	soil	en
dc.title	A note to the variable sorptivity infiltration equation	en
heal.type	journalArticle	en
heal.identifier.primary	10.1023/A:1023663223269	en
heal.publicationDate	2003	en
heal.abstract	A simplication for the variable sorptivity infiltration equation of Poulovassilis et al, (1989) is proposed. The resulting equation has three parameters Sx, c and K0. From these, Sx and c are considered as fitting parameters and K0 as a physical one. The new empirical infiltration equation is tested for precision, parameter time-dependence and applicability for soil surveys. The test was carried out by comparison with reference solutions i.e. infiltration data obtained experimentally, analytically or numerically for two different head conditions at the infiltration surface. A good agreement is observed for all examined cases. The dependence of the fitting parameters Sx and c on the initial and boundary conditions, as well as the error that arises by taking into account different values of them, are examined. In fine textured soils parameter c seems to be very small, so that one can easily suppose that the proposed equation reduces to the well-known Philip's infiltration equation (Philip, 1957).	en
heal.journalName	Water Resources Management	en
dc.identifier.issue	2	en
dc.identifier.volume	17	en
dc.identifier.doi	10.1023/A:1023663223269	en
dc.identifier.spage	133	en
dc.identifier.epage	145	en