A two-stage procedure for determining unsaturated hydraulic characteristics using a syringe pump and outflow observations

Soil Science Society of America Journal

Volumn 61, Issue 2, 1997, Pages 347-359

  Wildenschild, D ^a   Jensen, K Høgh ^a   Hollenbeck, K J ^a   Illangasekare, T H ^b   Znidarcic, D ^b   Sonnenborg, T ^a   Butts, M B ^a  

^a TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

^b UCB 428   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HYDRAULIC CONDUCTIVITY; RETENTION CURVE; RICHARDS EQUATION; SOIL SAMPLE; SOIL SOLUTION; SYRINGE PUMP;

CAPILLARITY; FUNCTIONS; HYDRAULIC CONDUCTIVITY; LEAST SQUARES APPROXIMATIONS; MATHEMATICAL MODELS; OPTIMIZATION; SOILS;

OBJECTIVE FUNCTIONS; RICHARD EQUATION; SYRINGE PUMP TECHNIQUE;

GROUNDWATER FLOW;

EID: 0031101743     PISSN: 03615995     EISSN: None     Source Type: Journal    
DOI: 10.2136/sssaj1997.03615995006100020002x     Document Type: Article

References (44)

1. Ahuja, L.R., and S.A. El-Swaify. 1976. Determining both water characteristics and hydraulic conductivity of a soil core at high water contents from a transient flow experiment. Soil Sci. 121: 198-205.
2. Brooks, R.H., and A.T. Corey. 1964. Properties of porous media affecting fluid flow. J. Irrig. Drain. Div. Am. Soc. Civ. Eng. 92: 61-88.
3. Celia, M.A., E.T. Bouloutas, and R.L. Zarba. 1990. A general mass-conservative solution for the unsaturated flow equation. Water Resour. Res. 26:1483-1496.
4. Corey, A.T. 1985. Mechanics of immiscible fluids in porous media. Water Resources Publications, Littleton, CO.
5. Corey, A.T. 1992. Pore-size distribution, p. 37-44. In M. Th. van Genuchten et al. (ed.) Indirect methods for estimating the hydraulic properties of unsaturated soils. University of California, Riverside, CA.
6. Corey, A., and R.H. Brooks. 1975. Drainage characteristics of soils. Soil Sci. Soc. Am. Proc. 39:251-255.
7. Demond, A.H., and P.V. Roberts. 1991. Effect of interfacial forces on two-phase capillary pressure-saturation relationships. Water Resour. Res. 27:423-437.
8. Dirksen, C. 1975. Determination of soil water diffusivity by sorptivity measurements. Soil Sci. Soc. Am. Proc. 39:22-27.
9. Dirksen, C. 1979. Flux-controlled sorptivity measurements to determine soil hydraulic property functions. Soil Sci. Soc. Am. J. 43: 827-834.
10. Dirksen, C. 1990. Unsaturated hydraulic conductivity. p. 209-269. In K. Smith and C. Mullins (ed.) Soil analysis: Modern instrumental techniques. 2nd ed. Marcel Dekker, New York.
11. Eching, S.O., and J.W. Hopmans. 1993. Optimization of hydraulic functions from transient outflow and soil water pressure data. Soil Sci. Soc. Am. J. 57:1167-1175.
12. Eching, S.O., J.W. Hopmans, and O. Wendroth. 1994. Unsaturated hydraulic conductivity from transient multistep outflow and soil water pressure data. Soil Sci. Soc. Am. J. 58:687-695.
13. Gardner, W.R. 1956. Calculation of capillary conductivity from pressure plate outflow data. Soil Sci. Soc. Am. Proc. 20:317-320.
14. Gregersen, J. 1995. Experimental and numerical investigation of two-dimensional Unsaturated flow in layered soils. Ph.D. diss., Dep. of Hydrodynamics and Water Resources, Technical University of Denmark.
15. Gupta, S.C., D.A. Farrell, and W.E. Larson. 1974. Determining effective soil diffusivities from one-step outflow experiments. Soil Sci. Soc. Am. Proc. 38:710-716.
16. Haines, W.B. 1930. Studies of the physical properties of soils. J. Agric. Sci. (Cambridge) 20:97-116.
17. Hopmans, J.W., T. Vogel, and D.B. Koblik. 1992. X-ray tomography of soil water distribution in one-step outflow experiments. Soil Sci. Soc. Am. J. 56:355-362.
18. Hornung, U. 1983. Identification of non-linear soil physical parameters from an input-output experiment. p. 227-237. In P. Deuflhardt and E. Hairer (ed.) Workshop on Numerical Treatment of Inverse Problems in Differential and Integral Equations. Birkhauser, Boston.
19. Klute, A. (ed.). 1986. Methods of soil analysis. Part 1. 2nd. ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI.
20. Kool, J.B., J.C. Parker, and M.Th. van Genuchten. 1985. Determining soil hydraulic properties from one-step outflow experiments by parameter estimation: 1. Theory and numerical studies. Soil Sci. Soc. Am. J. 49:1348-1354.
21. Kool, J.B., and J.C. Parker. 1985. ONESTEP: A nonlinear parameter estimation program for evaluating soil hydraulic properties from one-step outflow experiments. Bull. 85-3. Virginia Agric. Exp. Stn.
22. Kool, J.B., and J.C. Parker. 1987. Estimating soil hydraulic properties from transient flow experiments: SFIT user's guide. Virginia Polytechnic Institute and State Univ., Blacksburg, VA.
23. Manna, M. 1991. Suction-saturation measurements in soils using the flow pump technique. Master Thesis, Dep. of Civil, Environmental and Architectural Engineering, University of Colorado, Boulder.
24. Mualem, Y. 1976. A new model for predicting the hydraulic conductivity of unsaturated porous media. Water Resour. Res. 12:513-522.
25. Parker, J.B., J.C. Kool, and M.Th. van Genuchten. 1985. Determining soil hydraulic properties from one-step outflow experiments by parameter estimation: 2. Experimental studies. Soil Sci. Soc. Am. J. 49:1354-1359.
26. Richards, L.A. 1931. Capillary conduction of liquids in porous media. Physics (Long Island City, NY) 1:318-333.
27. Richards, L.A. 1941. A pressure-membrane extraction apparatus for soil solution. Soil Sci. 51:377-386.
28. Richards, B.G. 1967. A review of methods for the determination of the moisture flow properties of unsaturated soils. Tech. Memorandum 5. Soil Mechanics Section, CSIRO, Melbourne, Australia.
29. Russo, D. 1988. Determining soil hydraulic properties by parameter estimation: On the selection of a model for the hydraulic properties. Water Resour. Res. 24:453-459.
30. Russo, D., E. Bresler, U. Shani, and J.C. Parker. 1991. Analysis of infiltration events in relation to determining soil hydraulic properties by inverse problem methodology. Water Resour. Res. 27: 1361-1373.
31. Salehzadeh, A., and A.M. Demond. 1994. Apparatus for the rapid automated measurement of unsaturated soil transport properties. Water Resour. Res. 30:2679-2690.
32. Ségol, G. 1994. Classic groundwater simulations. Prentice Hall, Englewood Cliffs, NJ.
33. Toorman, A.F., P.J. Wierenga, and R.G. Hills. 1992. Parameter estimation of hydraulic properties from one-step outflow data. Water Resour. Res. 28:3021-3028.
34. Valiantzas, J.D., and P.G. Kerkides. 1990. A simple iterative method for the simultaneous determination of soil hydraulic properties from one-step outflow data. Water Resour. Res. 26:143-152.
35. Valiantzas, J.D., P.G. Kerkides, and A. Poulovassilis. 1988. An improvement to the one-step outflow method for the determination of soil water diffusivities. Water Resour. Res. 24:1911-1920.
36. van Dam, J.C., J.N.M. Stricker, and P. Droogers. 1992. Inverse method for determining soil hydraulic functions from one-step outflow experiments. Soil Sci. Soc. Am. J. 56:1042-1050.
37. van Dam, J.C., J.N.M. Stricker, and P. Droogers. 1994. Inverse method to determine soil hydraulic functions from multistep outflow experiments. Soil Sci. Soc. Am. J. 58:647-652.
38. van Genuchten, M.Th. 1980. A closed-form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Sci. Soc. Am. J. 44:892-898.
39. van Genuchten, M.Th. 1982. A comparison of numerical solutions of the one-dimensional unsaturated-saturated flow and transport equation. Adv. Water Resour. 5:47-55.
40. van Genuchten, M.Th. 1987. A numerical model for water and solute movement in and below the root zone. U.S. Salinity Lab., Riverside, CA (unpublished report).
41. Yates, S.R., M.Th. van Genuchten, A.W. Warrick, and F.J. Leij. 1992. Analysis of measured, predicted, and estimated hydraulic conductivity using the RETC computer program. Soil Sci. Soc. Am. J. 56:347-354.
42. Zachmann, D.W., P.C. DuChateau, and A. Klute. 1981. The calibration of the Richards flow equation for a draining column by parameter identification. Soil Sci. Soc. Am. J. 45:1012-1015.
43. Zachmann, D.W., P.C. DuChateau, and A. Klute. 1982. Simultaneous approximation of water capacity and soil hydraulic conductivity by parameter identification. Soil Sci. 134:157-163.
44. Znidarcic, D., T. Illangasekare, and M. Manna. 1991. Laboratory testing and parameter estimation for two-phase flow problems. p. 1089-1099. In McLean et al. (ed.) Proc. of the Geotechnical Engineering Congress. Boulder, CO. 1991. ASCE, New York.