, M. Iqbal Jeelani
[aut], Shakeel Mir [aut], Showkat Maqbool [aut], M. Auyoub Bhat
[aut], Inayat Khan [aut], Yasir Hanif [aut], Nasir Bashir [aut]| Title: | Fractal Dimension Analysis of Soil Particle Size Distribution |
|---|---|
| Description: | Function for the computation of fractal dimension based on mass of soil particle size distribution by Tyler & Wheatcraft (1992) <doi:10.2136/sssaj1992.03615995005600020005x>. It also provides functions for calculation of mean weight and geometric mean diameter of particle size distribution by Perfect et al. (1992) <doi:10.2136/sssaj1992.03615995005600050012x>. |
| Authors: | Fehim Jeelani Wani [aut, cre]
, M. Iqbal Jeelani
[aut], Shakeel Mir [aut], Showkat Maqbool [aut], M. Auyoub Bhat
[aut], Inayat Khan [aut], Yasir Hanif [aut], Nasir Bashir [aut] |
| Maintainer: | Fehim Jeelani Wani <[email protected]> |
| License: | GPL (>= 3) |
| Version: | 0.1.0 |
| Built: | 2024-12-19 06:48:17 UTC |
| Source: | CRAN |
The function computes the fractal dimension of particle size distribution based on soil mass
fractdim(Mass, Size, TM, dmax)fractdim(Mass, Size, TM, dmax)
Mass |
Numerical vector containing the mass of each particle size class |
Size |
Numerical vector containing the average of each particle size class |
TM |
Numerical value containing the total mass of soil |
dmax |
Numerical value containing the average of maximum particle size class |
Fractal Dimension
Tyler S. W., Wheatcraft S. W. (1992). Fractal scaling of soil particle size distribution: Analysis and limitations. Soil Sci. Soc. Am. J., 56: 362.
data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) TM <- 100 dmax <- 4.75 attach(data) fractdim(Mass = Mass, Size = Size, TM = TM, dmax = dmax)data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) TM <- 100 dmax <- 4.75 attach(data) fractdim(Mass = Mass, Size = Size, TM = TM, dmax = dmax)
The function computes the geometric mean diameter of particle size distribution
GMD(Mass, Size)GMD(Mass, Size)
Mass |
Numerical vector containing the mass of each particle size class |
Size |
Numerical vector containing the average of each particle size class |
Geometric Mean Diameter
Perfect E, Rasiah V, Kay BD. (1992). Fractal Dimension of soil aggregate size distributions calculated on number and mass. Soil Science Society of America Journals, 56: 1407.
data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) attach(data) GMD(Mass = Mass, Size = Size)data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) attach(data) GMD(Mass = Mass, Size = Size)
The function computes the mean weight diameter of particle size distribution
MWD(Mass, Size)MWD(Mass, Size)
Mass |
Numerical vector containing the mass of each particle size class |
Size |
Numerical vector containing the average of each particle size class |
Mean Weight Diameter
Perfect E, Rasiah V, Kay BD. (1992). Fractal Dimension of soil aggregate size distributions calculated on number and mass. Soil Science Society of America Journals, 56: 1407.
data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) attach(data) MWD(Mass = Mass, Size = Size)data <- data.frame(Mass = c(15.1,28.9,11.3,14.6,7.9,22.2), Size = c(0.053,0.1765,0.4,1.25,3.375,4.75)) attach(data) MWD(Mass = Mass, Size = Size)