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United States Department of Agriculture

Agricultural Research Service

STANMOD Examples
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Model/
Workspace
Name
Brief Description
CFITM/CFITMExample1Example 2A: Chromium (Column Number 4) - Semi-Finite System
 Example2Example 2B: Chromium (Column Number 4) - Finite Sysem
CFITIM/CFITIMExample1Generated data, Nonequilibrium model
 Example2Example 2D: Tritiated water (EXP. 5-2); Nonequilibrim model
 Example3Example 2H: Tritiated water (EXP. 5-2); Linear adsorption model
 Fig79aTritium effluent curve from Glendale clay loam; Nonequilibrim model
 Fig79bBoron effluent [exp. 3-1, van Genuchten, 1974]; Nonequilibrim model
CHAIN/CHAINNitrogenNitrogen chain [Cho, 1972]
 RadionucRadionuclide transport
CXTFIT/DirectFig51First-order nonequilibrium model, effect of beta and omega
 Fig52First-order nonequilibrium model, effect of beta and f
 Fig71Fig.7-1: The deterministic CDE (BVP+PVP)
 Fig72aFig.7-2a: Flux vs. (resident) conc. for the IVP, Cf(Z) (a) P=2 (b) P=10
 Fig72bFig.7-2b: (Flux) vs. resident conc. for the IVP, Cf(Z) (a) P=2 (b) P=10
 Fig75Fig.7-5: Nonequilibrium one-site CDE (beta=1/R,omega=0.08, 0.2, 1.0, 10)
 Fig76aFig.7-6a: Two-site CDE (omega =0.08, f=0, 0.3, 0.7,0.99875)
 Fig76bFig.7-6b: Two-site CDE (omega=0.2, f =0, 0.3, 0.7,0.99875)
 Fig77aFig.7-7a: Two-site CDE for betaR=0.22 - Dirac input
 Fig77bFig.7-7b: Two-site CDE for betaR=0.22 - pulse input
 Fig78Fig.7-8: IVP for the nonequilibrium CDE
 Fig105Equilibrium model, Effect of first-order decay, Step Input
 Fig105aEquilibrium model, Effect of first-order decay, Pulse Input
 Fig108One-Site Model, Effect of mass-transfer coefficient
 Fig109Two-site model, Effect of mobile/immobile water ratio, Cf(T)
 Fig109aTwo-site model, Effect of mobile/immobile water ratio, Cf(Z)
 Fig109bTwo-site model, Effect of mobile/immobile water ratio, Cr(Z)
 Fig1010Two-site model, Effect of retardation factor, Cf(T)
 Fig1010aTwo-site model, Effect of retardation factor, Cf(Z)
 Fig1010bTwo-site model, Effect of retardation factor, Cr(Z)
 Fig1011Two-site model, Effect of mass transfer coefficient, Cf(T)
 Fig1011aTwo-site model, Effect of mass transfer coefficient, Cf(Z)
 Fig1011bTwo-site model, Effect of mass transfer coefficient, Cr(Z)
 Fig1012Two-site model, Effect of Peclet number, Cf(T)
 Fig1012aTwo-site model, Effect of Peclet number, Cf(Z)
 Fig1012bTwo-site model, Effect of Peclet number, Cr(Z)
CXTFIT/InverseFig73aFig.7-3a: Steady saturated flow in a sand column
 Fig73bFig.7-3b: Steady saturated flow in a sand column
 Fig74Fig.7-4: Estimation of duration time (MASS = 1 in Block B)
 Fig79aFig.7-9a: Tritium effluent curve from Glendale clay loam
 Fig79bFig.7-9b: Boron effluent curve (exp. 3-1, van Genuchten, 1974)
 Fig712Fig.7-12: Field-scale bromide movement (after Jury at al., 1982)
 Fig715Fig.7-15: Hypothetical field-scale reactive solute transport
CXTFIT/StochastFig45aFig4-5: Stream tube model (STM) with random v, BVP vs. (IVP)
 Fig45bFig4-5: Stream tube model (STM) with random v, (BVP) vs. IVP
 Fig47aFig4-7: STM with randomv , Constant and (variable) duration
 Fig47bFig4-7: STM with random v, (Constant) and variable duration
 Fig710Fig.7-10: STM with random v, Effect of sigmav
 Fig711aFig.7-11: STM with random v , ensemble-averaged flux conc.
 Fig711bFig.7-11: STM with random v, field-scale flux conc.
 Fig711cFig.7-11: STM with random v, field-scale resident conc.
 Fig713Fig.7-13: STM with random v and Kd , effect of rhovKd
 Fig714aFig.7-14: Nonequilibrium field-scale transport, field-scale cr
 Fig714bFig.7-14: Nonequilibrium field-scale transport, field-scale ct
3DADE/3DADEExample1Figure 2A: Diffuse source in semi-infinite region of surface, Steady-state
 Example2Figure 4: Rectangular source at surface, First-type BC
 Example3Figure 4: Rectangular source at surface, Third-type BC
 Example4Figure 3B: Parallelepipedal initial distribution, Third-type BC
 Example5Figure 7: Circular source at surface, Third-type BC
 Example6Inverse: Diffuse source in semi-infinite region of surface, First-type BC
 Example7Inverse: Parallelepipedal initial distribution, Third-type BC
 Example8Inverse: Parallelepipedal initial distribution, Third-type BC
 Example9 Inverse: Circular source at surface, First-type BC
N3DADE/N3DADEExampl1aBVP: Fig. 6: Instantaneous application from disc (cm,d)
 Exampl1bBVP: Fig. 7: Instantaneous application from disc (cm,d)
 Exampl2aBVP: Fig. 8: Heaviside application finite rectangle
 Exampl2bBVP: Fig. 9: Heaviside application finite rectangle
 Example3IVP: Fig. 10: Heaviside initial, Finite rectangle
 Example4IVP: Fig. 11: Exponential distribution about (5,0,0), Spherical coordinate
 Example5PVP: Fig. 12: Heaviside production, Circular coordinate

Last Modified: 8/13/2016
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