2016
DOI: 10.1038/srep39029
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A user-friendly modified pore-solid fractal model

Abstract: The primary objective of this study was to evaluate a range of calculation points on water retention curves (WRC) instead of the singularity point at air-entry suction in the pore-solid fractal (PSF) model, which additionally considered the hysteresis effect based on the PSF theory. The modified pore-solid fractal (M-PSF) model was tested using 26 soil samples from Yangling on the Loess Plateau in China and 54 soil samples from the Unsaturated Soil Hydraulic Database. The derivation results showed that the M-P… Show more

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Cited by 7 publications
(4 citation statements)
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“…A soil's fractal dimension reflects its capacity to fill pore spaces with soil particles. Smaller pore size is usually observed in soil associated with a higher ratio of finer particles (i.e., clay content), and the soil structure with a higher ratio of finer particles would be more compacted, thus showing a larger fractal dimension [69]. Conversely, a looser soil structure leads to a smaller fractal dimension.…”
Section: Fractal Dimension Of Different Textural Soilmentioning
confidence: 99%
“…A soil's fractal dimension reflects its capacity to fill pore spaces with soil particles. Smaller pore size is usually observed in soil associated with a higher ratio of finer particles (i.e., clay content), and the soil structure with a higher ratio of finer particles would be more compacted, thus showing a larger fractal dimension [69]. Conversely, a looser soil structure leads to a smaller fractal dimension.…”
Section: Fractal Dimension Of Different Textural Soilmentioning
confidence: 99%
“…In most studies about soil structure, it is studied as a fractal object [16,17,[24][25][26][27][28]. In this context, we'll offer an interpretation of the relationship (1 − φ) s + φ 2s = 1.…”
Section: A General Model Of Hydraulic Conductivitymentioning
confidence: 99%
“…The form parameters can even be reduced to one. If we assume λ = mn in the Equation ( 27) we obtain van Genuchten equation, Equation (28), which makes the function Θ(ψ) explicit where the form parameters {m, n} are still independent. If we accept the relationships between λ and m used to obtain Equations ( 33)- (37), the Equation ( 27) will have only one form parameter (m).…”
Section: Generalized Power Functionmentioning
confidence: 99%
“…Fractal dimension extends the concept of “dimension”, because it can be a fraction, rather than an integer as in conventional Euclidean space, indicating the degree of complexity of fractal behaviors. Fractal theory now serves as a powerful, perhaps fundamental, tool for characterizing scale-invariance in many fields 19 20 21 22 23 24 25 26 27 .…”
mentioning
confidence: 99%