1994
DOI: 10.1029/93wr02931
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Three‐parameter lognormal distribution model for soil water retention

Abstract: Many models for soil water retention have been proposed. However, most of these models are curve‐fitting equations and do not emphasize the physical significance of their empirical parameters. A new retention model that exhibits increased flexibility was developed by applying three‐parameter lognormal distribution laws to the pore radius distribution function ƒ(r) and to the water capacity function, which was taken to be the pore capillary pressure distribution function ƒ(ψ). This model contains three paramete… Show more

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Cited by 345 publications
(263 citation statements)
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References 26 publications
(8 reference statements)
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“…The basic geometry of the proposed unit cell is sufficiently simple and tractable for upscaling to represent the liquid retention at sample scale. A statistical framework, similar to the representation of the pore radii distribution in the BCC models [Laroussi and de Backer, 1979;Kosugi, 1994Kosugi, , 1996 …”
Section: Upscaling From Pore-to Sample Scalementioning
confidence: 99%
“…The basic geometry of the proposed unit cell is sufficiently simple and tractable for upscaling to represent the liquid retention at sample scale. A statistical framework, similar to the representation of the pore radii distribution in the BCC models [Laroussi and de Backer, 1979;Kosugi, 1994Kosugi, , 1996 …”
Section: Upscaling From Pore-to Sample Scalementioning
confidence: 99%
“…a van Genuchten függvények szuperpozíciójával képzett két módusú hidraulikai függvény (DEXTER et al, 2008), vagy statisztikai alapú kétmódusú pl. KOSUGI (1994) függvény. E függvények jelentik a később kifejlesztett ún.…”
Section: Többmódusú Parametrikus Függvényekunclassified
“…Various mathematical models have been developed to fit the measured moisture-suction relationship of natural soils using empirical, statistical and microscopic procedures [10][11][12][13][14][15][16]. All of these models confirm an inverse proportional relationship between the degree of saturation and suction.…”
Section: Factors Influencing the Swcc And Development Strategiesmentioning
confidence: 99%