PC-PROGRESS - Direct

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Hydrus-1D Projects - Direct

Project Group: Direct
Description: Basic Direct Problem Examples
Availability: These projects are included in Hydrus-1D installation

Project	Description
1Drainage	Drainage in a large caisson (Abeele, 1984) (example from the HYDRUS 5.0 manual)
1Infiltr	Infiltration in a large caisson (Abeele, 1984) (example from the HYDRUS 5.0 manual)
1Scaling	Infiltration in a large caisson – Scaling factors (example from the HYDRUS 5.0 manual)
2Hyster	Transient flow involving hysteresis (example from the HYDRUS 5.0 manual, Vogel et al., 1996)
2NoHyster	Transient flow not involving hysteresis (example from the HYDRUS 5.0 manual)
3LaiJuir	Solute transport with nonlinear cation adsorption: Lai and Jurinak (1972) (example from the HYDRUS 5.0 manual)
3Selim	Solute transport with nonlinear cation adsorption: Selim et al. (1987) (example from the HYDRUS 5.0 manual)
4Heat	Heat transport under fluctuating atmospheric condition (example from the HYDRUS 5.0 manual)
5Season	Water flow in a field soil profile under grass (example from the HYDRUS 5.0 and Hydrus-1D manuals)
Drainage	Water flow in a field soil profile under grass involving horizontal drainage; same as Test2 but with flow to tile drains.
RootUptk	Example demonstrating simulation of root solute uptake
Test1	Skagg’s column infiltration test (example from the Hydrus-1D manual)
Test2	Water flow in a field soil profile under grass (example from the Hydrus-1D manual)
Test3	Solute transport with nitrification chain (example from the Hydrus-1D manual)
Test4	Solute transport with nonlinear cation adsorption (example from the Hydrus-1D manual)
Test5	Solute transport with non-equilibrium cation adsorption (example from the Hydrus-1D manual)
Test9	Dual porosity model with water content based exchange (example from the Hydrus-1D manual)
Test10	Multiple hysteretic loops, Lenhard et al. (1991) (example from the Hydrus-1D manual)
UpInfil	Upward infiltration with bottom tension (example from the Hydrus-1D manual)
Volatile	Transport of a volatile solute; same as Test2 but with volatile solute (example from the Hydrus-1D manual)

References:

Abeele, W. V. 1984. Hydraulic testing of crushed Bandelier Tuff. Report No. LA-10037-MS, Los Alamos National Laboratory, Los Alamos, New Mexico. 21 pp.
Lai, S-H., and J. J. Jurinak, The transport of cations in soil columns at different pore velocities, Soil Sci. Soc. Am. Proc., 36(5), 730-733, 1972.
Lenhard, R. J., J. C. Parker, and J. J. Kaluarachchi, Comparing simulated and experimental hysteretic two-phase transient fluid flow phenomena, Water Resour. Res., 27(8), 2113-2124, 1991.
Selim, H. M., R. Schulin, and H. Flühler, Transport and ion exchange of calcium and magnesium in an aggregated soil, Soil Sci. Soc. Am. J., 51(4), 876-884, 1987.
Šimůnek, J., M. Šejna, H. Saito, M. Sakai, and M. Th. van Genuchten, The Hydrus-1D Software Package for Simulating the Movement of Water, Heat, and Multiple Solutes in Variably Saturated Media, Version 4.0, HYDRUS Software Series 3, Department of Environmental Sciences, University of California Riverside, Riverside, California, USA, pp. 316, 2008.
Vogel, T., K. Huang, R. Zhang, and M. Th. van Genuchten, The HYDRUS code for simulating one-dimensional water flow, solute transport, and heat movement in variably-saturated media, Version 5.0, Research Report No 140, U.S. Salinity Laboratory, USDA, ARS, Riverside, CA, 1996.