Rien van Genuchten
Rien van Genuchten Visiting Professor
Department of Mechanical Engineering, COPPE/LTTC
Federal University of Rio de Janeiro, UFRJ
Rio de Janeiro, RJ CEP 21945-970, Brazil
Tel. +55-21-32-64-70-25
e-mail: rvangenuchten@yahoo.com
Academic Degrees:
- Ph.D. 1975, Soil Physics, New Mexico State University
- M.S. 1971, Irrigation and Drainage, Wageningen University, The Netherlands
- B.S. 1968, Irrigation and Drainage, Wageningen University, The Netherlands
Selected Awards:
- American Geophysical Union Fellow (1992)
- Science Society of America Fellow (1988)
- American Society of Agronomy Fellow (1991)
- American Association for the Advancement of Sciences Fellow (2003)
- Highly Cited Researcher in Engineering, Institute for Scientific Information, ISI (2001)
- Federal Laboratory Consortium (FLC) Award for Excellence in Technology Transfer (2001)
- Technology Transfer Award, USDA, ARS, for “Outstanding initiative and creativity in developing and transferring worldwide user-friendly computer software to address subsurface pollution problems” (2001)
- Honorary Doctorate Degree (Dr. rer. nat. h.c.), University of Hannover, Germany in “Recognition for outstanding research accomplishments on water and mass transport in the unsaturated zone, and its significance for the agricultural, environmental and engineering sciences“ (2004)
- Don and Betty Kirkham Award (awarded by the Soil Science Society of America for a mid career scientist who has made outstanding scholarly achievements and educational contributions in soil physics) (2005).
- Dionys Štur SAS Medal of Honour for “Outstanding Achievements in the Natural Sciences”, Slovak Academy of Sciences, Bratislava, Slovakia (2005)
- European Geosciences Union Dalton Medal (2010)
Research Interests:
- Water flow and solute transport processes in soils and groundwater
- Analytical and numerical modeling
- Characterization and measurement of the unsaturated soil hydraulic properties
- Use on inverse methods to estimate flow and solute transport parameters
- Crop salt tolerance; root water uptake
- Preferential flow in macroporous soils and unsaturated fractured rock
- Nonequilibrium transport of contaminants
- Computer software development
Selected Publications:
- Pontedeiro, E. M., M. Th. van Genuchten, R. M. Cotta, J. Šimůnek, The effects of preferential flow and soil texture on the risk assessments of a NORM waste disposal site, Journal of Hazardous Materials, doi:10.1016/j.jhazmat.2009.09.100, 174(1-3), 648-655, 2010.
- Šimůnek, J., D. Jacques, N. K. C. Twarakavi, and M. Th. van Genuchten, Modeling subsurface flow and contaminant transport as influenced by biological processes at various scales using selected HYDRUS modules, Biologia, 64(3), 465-469, DOI: 10.2478/s11756-009-0106-7, 2009.
- Bradford, S. A., S. Torkzaban, F. J. Leij, J. Šimůnek, and M. Th. van Genuchten, Modeling the coupled effects of pore space geometry and velocity on colloid transport and retention, Wat. Resour. Res., 45, W02414, doi:10.1029/2008WR007096, 15 pp., 2009.
- Pérez Guerrero, J. S., T. H. Skaggs, and M. Th. van Genuchten. 2009. Analytical solution for multi-species contaminant transport subject to sequential first-order decay reactions in finite media. Transport in Porous Media, DOI 10.1007/s11242-009-9368-3.
- Siyal, A. A., M. Th. van Genuchten, and T. H. Skaggs, Performance of pitcher irrigation systems, Soil Science, 174(6), 312-320, 2009.
- Jimenez-Martinez, J., T. H. Skaggs, M. Th. van Genuchten, and L. Candela. 2009. A root zone modelling approach to estimating groundwater recharge from irrigated areas. J. Hydrol. 367: 138-149.
- Pérez Guerrero, J. S., L. C. G. Pimentel, T. H. Skaggs, and M. Th. van Genuchten. 2009. Analytical solution of the advection–diffusion transport equation using a change-of-variable and integral transform technique. Int. J. Heat and Mass Transfer 52:3297-3304.
- Guber, A. K., Y. A. Pachepsky, M. Th. van Genuchten, J. Šimůnek, D. Jacques, A. Nemes, T. J. Nicholson, and R. E. Cady, Multimodel simulation of water flow in a field soil using pedotransfer functions, Vadose Zone Journal, 8(1), 1-10, 2009.
- Novák, V., and M. Th. van Genuchten. 2008. Using the transpiration regime to estimate biomass production. Soil Sci. 173(6): 401-406.
- Jacques, D., J. Simunek, D. Mallants, and M. Th. van Genuchten. 2008. Modelling the fate of uranium from inorganic phosphorus fertilizer applications in agriculture. In: L. J. De Kok and E. Schnug (eds), Loads and Fate of Fertilizer-Derived Uranium, p. 57-64, Backhuys Publ., Leiden, Netherlands.
- Jacques, D., J. Šimůnek, D. Mallants and M. Th. van Genuchten, Modelling coupled water flow, solute transport and geochemical reactions affecting heavy metal migration in a Podzol soil, Geoderma, doi:10.1016/j.geoderma.2008.01.009, 145, 449-461, 2008.
- Šimůnek, J., M.Th. van Genuchten, and M. Sejna. 2008. Development and applications of the HYDRUS and STANMOD software packages and related codes, Vadose Zone J. 7: 587-600.
- Simunek, J. and M.Th. van Genuchten. 2008. Modeling nonequilibrium flow and transport processes using HYDRUS, Vadose Zone J. 2008 7: 782-797.
- Jacques, D., J. Šimůnek, D. Mallants, and M.Th. van Genuchten. 2008. Modeling coupled hydrologic and chemical processes: Long-term uranium transport following phosphorus fertilization, Vadose Zone J. 7: 698-711.
- Twarakavi, N. K. C., H. Saito, J. Šimůnek, and M. Th. van Genuchten, A new approach to estimate soil hydraulic parameters using only soil water retention data, doi:10.2136/sssaj2006.0342, Soil Sci. Soc. Am. J., 72(2), 471-479. 2008.
- Guber, A. K., T.J. Gish, Y. A. Pachepsky, M. Th. van Genuchten, C.S. Daughtry, T. J. Nicholson, and R. E. Cady. 2008. Temporal stability of estimated soil water flux patterns across agricultural fields. Int. Agrophysics, 22: 209-214.
- Khosli, M., W. M. Cornelis, A. Douaik, M. Th. van Genuchten, and D. Gabriels. 2008. Performance evaluation of models that describe the soil water retention curve between saturation and oven dryness, Vadose Zone J. 7:87-96.
- Nemes, A., R.T. Roberts, W.J. Rawls, Ya. A. Pachepsky, and M. Th. van Genuchten. 2008. Software to estimate -33 and -1500 kPa soil water retention using the non-parametric k-Nearest Neighbor technique. Environ. Modelling and Software, 23: 254-255.
- Guber, A. K., T. J. Gish, Y. A. Pachepsky, M. Th. van Genuchten, C. S. T. Daughtry, T. J. Nicholson, and R. E. Cady. 2008. Temporal stability in soil water content patterns across agricultural fields. Catena 73: 125-133.
- Skaggs, T. H., N. J. Jarvis, E. M. Pontedeiro, M. Th. van Genuchten, and R. M. Cotta. 2007. Analytical advection-dispersion model for transport and plant uptake of contaminants in the root zone, Vadose Zone J. 6: 890-898.
- Zhu, J., M. H. Young, and M. Th. van Genuchten. 2007. Upscaling Schemes and Relationships for the Gardner and van Genuchten Hydraulic Functions for Heterogeneous Soils, Vadose Zone Journal, 6, 186–195.
- Wang, H. H., X. Q. Shan, T. Liu, Y. N. Xie, B. Wen, S. Z. Zhang, F. Han, and M. Th. van Genuchten. 2007. Organic acids enhance the uptake of lead by wheat roots, Planta, 225(6):1483-1494.
- Schwärzel, K., J. Šimůnek, M. Th. van Genuchten, and G. Wessolek. 2006. Measurement and modeling of soil-water dynamics and evapotranspiration of drained peatland soils. J. Plant Nutr. & Soil Sci., 169: 762-774.
- Pachepsky, Y., A. Guber, D. Jacques, J. Šimůnek, M. Th. van Genuchten, T. Nicholson, and R. Cady. 2006. Information content and complexity of simulated soil water fluxes. Geoderma 134: 253-266.
- Skaggs, T. H., M. Th. van Genuchten, P. J. Shouse, and J. A. Poss. 2006. Macroscopic approaches to root water uptake as a function of water and salinity stress. Agric. Water Manage. 86:140-149.
- Nemes, A., W. J. Rawls, Ya. A. Pachepsky, and M. Th. van Genuchten. 2006. Sensitivity analysis of the nonparametric nearest neighbor technique to estimate soil water retention. Vadose Zone J. 5(4): 1222-1235.
- Raats, P.A.C., and M. Th. van Genuchten. 2006. Milestones in soil physics, Soil Sci. 171S1: S21-S28.
- Bradford, S. A., J. Šimůnek, M. Bettahar, M. Th. van Genuchten, and S. R. Yates. 2006. Significance of straining in colloid deposition: Evidence and implications. Water Resour. Res. 42, W12S14, doi:10.1029/2005WR004791.
- Boivin, A., J. Šimůnek, M. Schiavon, and M. Th. van Genuchten. 2006. Comparison of pesticide transport processes in three tile-drained field soils using Hydrus-2D. Vadose Zone J. 5(3): 838-849.
- Jacques, D., J. Šimůnek, D, Mallants, and M. Th. van Genuchten. 2006. Operator-splitting errors in coupled reactive transport codes for flow and transport under atmospheric boundary conditions or soil profiles. J. Contam. Hydrol. 88:197-218.
- Šimůnek, J., M. Šejna, and M. Th. van Genuchten. 2006. The HYDRUS Software Package for Simulating the Two# and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media; User Manual, Version 1.0. PC-Progress, Prague, Czech Republic, 161 p.
- Šimůnek, J., M. Th. van Genuchten, and M. Šejna. 2006. The HYDRUS Software Package for Simulating the Two# and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media; Technical Manual, Version 1.0. PC-Progress, Prague, Czech Republic, 241 p.
- Ramos, T. B., M. C. Gonçalves, J. C. Martins, M. Th. van Genuchten, and F. P. Pires. 2006. Estimation of soil hydraulic properties from numerical inversion of tension disk infiltrometer data. Vadose Zone J. 5: 684-696.
- Illangasekare, T., S. W. Tyler, P. Clement, K. G. Villholth, A. P. G. R. L. Perera, J. Obeysekera, A. Gunatilaka,C.R Panabokke, D. W. Hyndman, K. J. Cunningham, W. W-G. Yeh,M. Th. van Genuchten, and K. H. Jensen. 2006. Impacts of the 2004 tsunami on groundwater resources in Sri Lanka. Water Resour. Res. 42, W05201, doi:10.1029/2006WR004876.
- Gärdenäs, A. I, J. Šimůnek, N. Jarvis, and M. Th. van Genuchten. 2006. Two-dimensional modelling of preferential water flow and pesticide transport from a tile-drained field. J. Hydrol. 329: 647-660.
- Guber, A. K., Ya. A. Pachepsky, M. Th. van Genuchten, W. J. Rawls, J. Šimůnek, D. Jacques, T. J. Nicholson, and R. E. Cady. 2006. Field-scale water flow simulations using ensembles of pedotransfer functions for soil water retention. Vadose Zone J. 2006 5: 234-247.
- Lin, H., J. Bouma, J., Y. Pachepsky, A. Western, J. Thompson, R. van Genuchten, H.-J. Vogel, and A. Lilly. 2006. Hydropedology: Synergistic integration of pedology and hydrology. Water Resour. Res., 42, W05301, doi:10.1029/2005WR004085.
- Šimůnek, J., D. Jacques, M. Th. van Genuchten, and D. Mallants. 2006. Multicomponent geochemical transport modeling using Hydrus-1D and HP1. J. Am. Water Resour. Assoc., 42(6): 1537-15447.
- Šimůnek, J., and M. Th. van Genuchten. 2006. Contaminant transport in the unsaturated zone; Theory and modeling. In: J.W. Delleur (ed.), Handbook of Groundwater Engineering, 2nd ed., CRC Press, Boca Raton, FL, p. 22.1-22.46.
- Schaap, M. G., and M. Th. van Genuchten. 2006. A modified Mualem-van Genuchten formulation for improved description of the hydraulic conductivity near saturation. Vadose Zone J. 5: 27-34.
- Liu, G., B. Li, K. Hu, and M. Th. van Genuchten. 2006. Simulating the gas diffusion coefficient in macropore network images: Influence of soil pore morphology. Soil Sci. Soc. Am. 70:1252-1261.
- Schwärzel, K., J. Šimůnek, H. Stoffregen, G. Wessolek, and M. Th. van Genuchten. 2006. Estimation of the unsaturated hydraulic conductivity of peat soils: Laboratory versus field data. Vadose Zone J. 5: 628-640.
- Šimůnek, J., M. Th. van Genuchten, and M. Šejna. 2005. The Hydrus-1D Software Package for Simulating the One-Dimensional Movement of Water, Heat and Multiple Solutes in Variably-Saturated Media. Version 3.0. HYDRUS Software Series 1, Department of Environmental Sciences, University of California, Riverside, 240 p.
- Boivin, A., S. Amellal, M. Schiavon, and M. Th. van Genuchten. 2005. 2,4-Dichlorophenoxyacetic acid (2,4-D) sorption and degradation dynamics in three agricultural soils. Environ. Pollution 138: 92-99.
- Vaughan, P. J., P. J. Shouse, D. L. Suarez, M. Th. van Genuchten, and J. E. Ayers. 2005. Analysis of field-scale salinization: A comparison of different modeling approaches. J. Hydrol. & Hydromechanics 53(2): 73-90.
- Coquet, Y., J. Šimůnek, C. Coutadeur, M. Th. van Genuchten, V. Pot, and J. Roger-Estrada. 2005. Water and solute transport in a cultivated silt loam soil, 2. Numerical Analysis. Vadose Zone J. 4:587-601.
- Coquet, Y., C. Coutadeur, C. Labat, P. Vachier, M. Th. van Genuchten, J. Roger-Estrada, and J. Šimůnek. 2005. Water and solute transport in a cultivated silt loam soil, 1. Field observations. Vadose Zone J. 4:573-586.
- Bradford, S.A., J. Šimůnek, M. Bettahar, M., Y. F. Tadassa, M. Th. van Genuchten, and S. R. Yates. 2005. Straining of colloids at textural interfaces. Water Resources Res. 41(10), 10404, doi:10.1029/2004WR003675.
- Castiglione, P., P. J. Shouse, B. P. Mohanty, D. Hudson, and M. Th. van Genuchten. 2005. Improved tension infiltrometer for measuring low fluid flow rates in unsaturated fractured rock. Vadose Zone J. 4(3): 885-890.
- Castiglione, P., P. J. Shouse, B. P. Mohanty, and M. Th. van Genuchten. 2005. Analysis of temperature effects on tension infiltrometry of low permeability materials. Vadose Zone J. 4(3): 481-487.
- Steppuhn, H., M. Th. van Genuchten, and C. M. Grieve. 2005.Root-zone salinity: II Indices for tolerance in agricultural crops. Crop Sci. 45: 221-232.
- Steppuhn, H., M. Th. van Genuchten, and C. M. Grieve. 2005. Root-zone salinity: I. Selecting a product-yield index and response function for crop tolerance. Crop Sci. 45: 209-220.
- Rajkai, K., S. Kabos, and M. Th. van Genuchten. 2004. Estimating the water retention curve from soil properties: Comparison of linear, nonlinear and concomitant variables. Soil & Tillage Res. 79: 134-152.
- van Genuchten, M. Th., and J. Šimůnek. 2004. Integrated modeling of vadose-zone flow and transport processes. In: R.A. Feddes, G. H. de Rooij and J. C. van Dam (eds.), Unsaturated-Zone Modeling; Progress, Challenges and Applications, Wageningen UR Frontis Series, Vol. 6, Chapter 2, pp. 37# 69, x-xi, Kluwer Academic Publishers, Dordrecht, The Netherlands.
- Abbaspour, K. C., C. A. Johnson, and M. Th. van Genuchten. 2004. Estimating uncertain flow and transport parameters using a sequential uncertainty fitting procedure. Vadose Zone J. 3: 1340-1352.
- Jain, S. K., V. P. Singh, and M. Th. van Genuchten. 2004. Analysis of soil water retention data using artificial neural networks. J. Hydrol. Eng., ASCE, 9(5):415-420.
- Zhu, J., B. P. Mohanty, A. W. Warrick, and M. Th. van Genuchten. 2004. Correspondence and upscaling of hydraulic functions for steady-state flow in heterogeneous soils. Vadose Zone J. 3: 527-533.
- Rassam, D., J. Šimůnek and M. Th. van Genuchten. 2004. Modelling Variably-Saturated Flow with Hydrus-2D, Japanese Translation, edited by N. Toride and M. Inoue, Japanese Irrigation and Society, Soil Physics Section, Tokyo, Japan, 2004.
- Hansson, K., J. Šimůnek, M. Mizoguchi, L.-C. Lundin and M. Th. van Genuchten. 2004. Water flow and heat transport in frozen soil: Numerical solution and freeze/thaw applications. Vadose Zone J. 3: 693-704.
- Abbasi, F., J. Feyen, and M. Th. van Genuchten. 2004. Two-dimensional simulation of water flow and solute transport below furrows: Model calibration and validation. J. Hydrol. 290: 63-79.
- Bradford, S. A., M. Bettahar, J. Šimůnek, and M. Th. van Genuchten. 2004. Straining and attachment of colloids in physically heterogeneous porous media. Vadose Zone J. 3: 384-394.
- Abbasi, F., J. Šimůnek, J. Feyen, M. Th. van Genuchten and P. J. Shouse. 2003. Simultaneous inverse estimation of the soil hydraulic and solute transport parameters from transient field experiments: Homogeneous soil. Trans. ASAE 46(4): 1085-1095.
- Abbasi, F., F. J. Adamsen, D. J. Hunsaker, J. Feyen, P. Shouse, and M. Th. van Genuchten. 2003. Effects of flow depth on water flow and solute transport in furrow irrigation: Field data analysis. J. Irrig. Drain. Eng. 129(4): 237-246.
- Bradford, S. A., J. Šimůnek, M. Bettahar, M. Th. van Genuchten and S. R. Yates. 2003. Modeling colloid attachment, straining, and exclusion in saturated porous media. Environ. Sci. Technol. 37(10):2242-2250.
- Rassam, D., J. Šimůnek and M. Th. van Genuchten. 2003. Modelling Variably-Saturated Flow with Hydrus-2D. ND Consult, Brisbane, Australia, 275 p.
- Castiglione, P., B. P. Mohanty, P. J. Shouse, J. Šimůnek, M. Th. van Genuchten, and A. Santini. 2003. Lateral water diffusion in an artificial macroporous system: Modeling and experimental evidence. Vadose Zone J. 2: 212-221.
- Abbasi, F., J. Šimůnek, M. Th. van Genuchten, J. Feyen, F. J. Adamsen, D. J. Hunsaker, T. S. Strelkoff, and P. J. Shouse. 2003. Overland water flow and solute transport: Model development and field data analysis. J. Irrig. Drain. Eng. 129(2): 71-81.
- Schmalz, B., B. Lennartz, and M. Th. van Genuchten. 2003. Analysis of unsaturated water flow in a large sand tank. Soil Sci. 168(1): 3-14.
- Šimůnek, J., N. J. Jarvis, M. Th. van Genuchten, and A. Gärdenäs. 2003. Review and comparison of models for describing non-equilibrium and preferential flow and transport in the vadose zone. J. Hydrol. 272 (1-4): 14-35.
- Fares, A., L. R. Parsons, J. Šimůnek, M. Th. van Genuchten, and T. A. Wheaton. 2002. Effects of emitter distribution patterns and soil type on water and solute distribution following microirrigation. Soil Crop Sci. Soc. Florida Proc. 61:46-56.
- Mohanty, B. P., P. J. Shouse, D. A. Miller and M. Th. van Genuchten. 2002. Soil property database: Southern Great Plains 1997 Hydrology Experiment. Water Resour. Res. 38(5):10.1029/ 2000WR000076.
- Silliman, S. E., B. Berkowitz, J. Šimůnek, and M. Th. van Genuchten. 2002. Fluid flow and solute migration in the capillary fringe. Ground Water 40(1):76-84.
- Leij, F. J., and M. Th. van Genuchten. 2002. Solute transport. In: A. W. Warrick (ed.), Soil Physics Companion, pp. 189-248, CRC Press, Boca Raton, FL.
- Fares, A., L. R. Parsons, T. A. Wheaton, J. Šimůnek, and M. Th. van Genuchten. 2001. Simulated drip irrigation with different soil types. Proc. Fla. State Hort. Soc. 114:22-24.
- Seuntjens, P., K. Tirez, J. Šimůnek, M. Th. van Genuchten, C. Cornelis, and P. Geuzens. 2001. Aging effects on cadmium transport in undisturbed contaminated sandy soil columns. J. Environ. Qual. 30(3):1040-1050.
- U.S. Department of Energy. 2001. A National Roadmap for Vadose Zone Science and Technology: Understanding, Monitoring, and Predicting Contaminant Fate and Transport in the Unsaturated Zone, Version 0.0. DOE/ID-10871, INEEL, Idaho Falls, ID. 150 p.
- Schaap, M. G., F. J. Leij and M. Th. van Genuchten. 2001. Rosetta: A computer program for estimating soil hydraulic parameters with hierarchical pedotransfer functions. J. Hydrol. 251: 163-176.
- Kohler, A., K. C. Abbaspour, M. Fritsch, M. Th. van Genuchten and R. Schulin. 2001. Simulating unsaturated flow and transport in a macroporous soil to tile drains subject to an entrance head: Model development and preliminary evaluation. J. Hydrol. 254: 67-81.
- Abbaspour, K. C., R. Schulin and M. Th. van Genuchten. 2001. Estimating unsaturated soil hydraulic parameters using ant colony optimization. Adv. Water Resour. 24: 827-841.
- Hsieh, P. A., J. M. Bahr, T. W. Doe, A. L. Flint, G. Gee, L. W. Gelhar, D. K. Solomon, M. Th. van Genuchten, and S. W. Wheatcraft. 2001. Conceptual Models of Flow and Transport in the Fractured Vadose Zone. National Academy Press, Washington, D.C., 374 p.
- Šimůnek, J., O. Wendroth, N. Wypler, and M. Th. van Genuchten. 2001. Non-equilibrium water flow characterized by means of upward infiltration experiments. Europ. J. Soil Sci., 52:13-24.
- Kamra, S. K., B. Lennartz, M. Th. van Genuchten, and P. Widmoser. 2001. Evaluating non-equilibrium solute transport in small columns. J. Contam. Hydrol., 48:189-212.
- Vogel T., M. Th. van Genuchten, M. Th., and M. Cislerova. 2001. Effect of the shape of the soil hydraulic functions near saturation on variably-saturated flow predictions. Adv. Water Resour. 24(2): 133-144.
- Vogel, T., H. H. Gerke, R. Zhang, and M. Th. van Genuchten. 2000. Modeling flow and transport in a two-dimensional dual-permeability system with spatially variable hydraulic properties. J. Hydrol. 238:78-89.
- Šimůnek, J., J. W. Hopmans, D. R. Nielsen, and M. Th. van Genuchten. 2000. Horizontal infiltration revisited using parameter estimation. Soil Sci. 165(9):708-717.
- Ventrella, D., B. P. Mohanty, J. Šimůnek, N. Losavio, and M. Th. van Genuchten. 2000. Water and chloride transport in a fine-textured soil: Field experiments and modeling. Soil Sci. 165(8):624-631.
- Hollenbeck, K. J., J. Šimůnek, and M. Th. van Genuchten. 2000. RETCML: Incorporating maximum-likelihood estimation principles in the RETC soil hydraulic parameter estimation code. Computers and Geosciences 26(3):319-327.
- Leij, F. J., and M. Th. van Genuchten. 2000. Analytical modeling of nonaqueous phase liquid dissolution with Green’s functions. Transport in Porous Media 38:141-166.
- Novák, V., J. Šimůnek, and M. Th. van Genuchten. 2000. Infiltration of water into soil with cracks. J. Irrig. and Drain. Engrg. 126(1):41-47.
- Entekhabi, D., G. R. Asrar, A. K. Betts, K. J. Beven, R. L. Bras, C. J. Duffy, T. Dunne, R. D. Koster, D. P. Lettenmaier, D. B. McLaughlin, W. J. Shuttleworth, M. T. van Genuchten, M.-Y. Wei, and E. F. Wood. 1999. An Agenda for land-surface hydrology research and a call for the second International Hydrological Decade. Bull. Am. Meteorol. Soc. 80(10): 2043-2058.
- Schaerlaekens, J., D. Mallants, J. Šimůnek, M. Th. van Genuchten, and J. Feyen. 1999. Numerical simulation of transport and sequential biodegradation of chlorinated aliphatic hydrocarbons using CHAIN-2D. Hydrol. Processes 13: 2847-2859.
- Šimůnek, J., O. Wendroth, and M. Th. van Genuchten. 1999. Estimating unsaturated soil hydraulic properties from laboratory tension disc infiltrometer experiments. Water Resour. Res. 35(10): 2965-2979.
- Arya, L. M., F. J. Leij, P. J. Shouse, and M. Th. van Genuchten. 1999. Relationship between the hydraulic conductivity function and the particle-size distribution. Soil Sci. Soc. Am. J., 63(5): 1063-1070.
- Toride, N., F. J. Leij, and M. Th. van Genuchten. 1999. The CXTFIT code for estimating transport parameters from laboratory or field tracer experiments. Version 2.1. Research Report No. 137, U.S. Salinity Laboratory, USDA, ARS, Riverside, CA. 121 p.
- van Genuchten, M. Th., F. J. Leij and L. Wu (eds.). 1999. Proc. Int. Workshop, Characterization and Measurement of the Hydraulic Properties of Unsaturated Porous Media. Parts 1 and 2, University of California, Riverside, CA. 1602 p.
- Arya, L. M., F. J. Leij, M. Th. van Genuchten, and P. J. Shouse. 1999. Scaling parameter to predict the soil water characteristic from particle-size distribution data. Soil Sci. Soc. Am. J. 63(3): 510-519.
- Mohanty, B. P., T. H. Skaggs, and M. Th. van Genuchten. 1998. Impact of saturated hydraulic conductivity on the prediction of tile flow. Soil Sci. Soc. Am. J. 62(6):1522-1529.
- Arya, L. M., T. S Dierolf, A. Sofyan, I. P. G. Widjaja-Adhi, and M. Th. van Genuchten. 1998. Field measurement of the saturated hydraulic conductivity of a macroporous soil with unstable subsoil structure. Soil Sci. 163(11):841-858.
- Abbaspour, K. C., R. Schulin, M. Th. van Genuchten, and E. Schläppi. 1998. Procedures for uncertainty analyses applied to a landfill leachate plume. Ground Water 36(6):874-883.
- Šimůnek, J., R. Angulo-Jaramillo, M. G. Schaap, J.-P. Vandervaere, and M. Th. van Genuchten. 1998. Using an inverse method to estimate the hydraulic properties of crusted soils from tension disc infiltrometer data. Geoderma 86(1-2):61-81.
- Schaap, M. G., F. J. Leij, and M. Th. van Genuchten. 1998. Neural network analysis for hierarchical prediction of soil hydraulic properties. Soil Sci. Soc. Am. J. 62(4):847-855.
- Šimůnek, J., D. Wang, P. J. Shouse, and M. Th. van Genuchten. 1998. Analysis of field tension disc infiltrometer data by parameter estimation. Int. Agrophysics 12:167-180.
- Wang, D., S. R. Yates, B. Lowery, and M. Th. van Genuchten. 1998. Estimating soil hydraulic properties using tension infiltrometers with varying disk diameters. Soil Sci. 163(5): 356-361.
- Mohanty, B. P., R. S. Bowman, J. M. H. Hendrickx, J. Šimůnek, and M. Th. van Genuchten. 1998. Preferential transport of nitrate to a tile drain in an intermittent-flood-irrigated field: Model development and experimental evaluation. Water Resour. Res. 34(5): 1061-1076.
- Šimůnek, J., O. Wendroth, and M. Th. van Genuchten. 1998. Parameter estimation analysis of the evaporation method for determining soil hydraulic properties. Soil Sci. Soc. Am. J. 62(4):894-905.
- Wang, Z., J. Feyen, M. Th. van Genuchten, and D. R. Nielsen. 1998.Air entrapment effects on infiltration rate and flow instability. Water Resour. Res. 34(2): 213-222.
- Šimůnek, J., K. Huang, M. Šejna, and M. Th. van Genuchten. 1998. The Hydrus-1D Software Package for Simulating the One-Dimensional Movement of Water, Heat and Multiple Solutes in Variably-Saturated Media. Version 1.0. IGWMC-TPS-70, Int. Ground Water Modeling Center, Colorado School of Mines, Golden, CO., 186 p.
- Abbaspour, K. C., R. Schulin, M. Th. van Genuchten, and E. Schläppi. 1998. An alternative to co-kriging for situations with small sample sizes. Math. Geol. 30(3): 291-306.
- Huang, K., B. P. Mohanty, F. J. Leij, and M. Th. van Genuchten. 1998. Solution of the nonlinear transport equation using modified Picard iteration. Adv. Water Resour. 21: 237-249.
- Wang, Z., J. Feyen, D. R. Nielsen, and M. Th. van Genuchten. 1997. Two-phase flow infiltration equations accounting for air entrapment effects. Water Resour. Res. 33(12): 2759-2767.
- Mohanty, B. P., R. S. Bowman, J. M. H. Hendrickx, and M. Th. van Genuchten. 1997. New piecewise# continuous hydraulic functions for modeling preferential flow in an intermittent flood-irrigated field. Water Resour. Res. 33(9):2049-2063.
- Šimůnek, J., K. Huang, M. Šejna, M. Th. van Genuchten, J. Majerçák, V. Novak, and J. Šutor. 1997. The HYDRUS-ET Software Package for Simulating the One-Dimensional Movement of Water, Heat and Multiple Solutes in Variably-Saturated Media. Version 1.1. Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovakia, 184 p.
- Mallants, D., D. Jacques, P.-H. Tseng, M. Th. van Genuchten, and J. Feyen. 1997. Comparison of three hydraulic property measurement methods. J. Hydrol. 199: 295-318.
- Šimůnek, J., and M. Th. van Genuchten. 1997. Estimating unsaturated soil hydraulic properties from multiple tension disc infiltrometer data. Soil Sci. 162(6): 383-398.
- Wang, D., S. R. Yates, J. Šimůnek, and M. Th. van Genuchten. 1997. Solute transport in simulated conductivity fields under different irrigations. J. Irrig. Drain. Eng., ASCE, Vol. 123(5): 336-343.
- Fischer, U., O. Dury, H. Flühler, and M. Th. van Genuchten. 1997. Modeling nonwetting phase relative permeability accounting for a discontinuous nonwetting phase. Soil Sci. Soc. Am. J. 61(5):1348-1354.
- Abbaspour, K. C., M. Th. van Genuchten, R. Schulin, and E. Schläppi. 1997. A sequential uncertainty domain inverse procedure for estimating subsurface flow and transport parameters. Water Resour. Res. 33(8):1879-1892.
- Huang, K., J. Šimůnek, and M. Th. van Genuchten. 1997. A third-order numerical scheme with upwind weighting for solving the solute transport equation. Int. J. Numer. Methods Eng. 40: 1623-1637.
- Rajkai, K., S. Kabos, M. Th. van Genuchten, and P.-E. Jansson. 1996. Estimation of water-retention characteristics from the bulk density of Swedish soils. Soil Sci. 161(12):832-845.
- Šimůnek, J., and M. Th. van Genuchten. 1996. Estimating unsaturated soil hydraulic properties from tension disc infiltrometer data by numerical inversion. Water Resour. Res., 32(9):2683-2696.
- Leij, F. J., W. J. Alves, M. Th. van Genuchten, and J. R. Williams. 1996. The UNSODA Unsaturated Soil Hydraulic Database; User's Manual, Version 1.0. EPA/600/R-96/095, National Risk Management Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Cincinnati, OH. 103 p.
- Gerke, H. H., and M. Th. van Genuchten. 1996. Macroscopic representation of structural geometry for simulating water and solute movement in dual-porosity media. Adv. Water. Resour., 19(6):343-357.
- Mallants, D., M. VanClooster, N. Toride, J. Vanderborght, M. Th. van Genuchten, and J. Feyen. 1996. Comparison of three methods to calibrate TDR for monitoring solute movement in undisturbed soil. Soil Sci. Soc. Am. J., 60(3):747-754.
- Huang, K., M. Th. van Genuchten, and R. Zhang. 1996. Exact solutions for one-dimensional transport with asymptotic scale-dependent dispersion. Appl. Math. Modelling, 20:298-308.
- Morel-Seytoux, H. J., P. D. Meyer, M. Nachabe, J. Touma, M. Th. van Genuchten, and R. J. Lenhard. 1996. Parameter equivalence for the Brooks-Corey and van Genuchten soil characteristic: Preserving the effective capillary drive. Water Resour. Res., 32(5):1252-1258.
- Huang, K., B. P. Mohanty, and M. Th. van Genuchten. 1996. A new convergence criterion for the modified Picard iteration method to solve the variably saturated flow equation. J. Hydrol., 178:69-91.
- Leij, F. J., and M. Th. van Genuchten. 1995. Approximate analytical solutions for solute transport in two-layer porous media. Transport in Porous Media, 18:65-85.
- Huang, K., and M. Th. van Genuchten. 1995. An analytical solution for predicting solute transport during ponded infiltration. Soil Sci., 159:217-223.
- Tseng, P.-H., A. Sciortino, and M. Th. van Genuchten. 1995. A partitioned solution procedure for simulating water flow in a variably saturated dual-porosity medium. Adv. Water Resour., 18(6):33-343.
- Mohanty, B. P., W. M. Klittich, R. Horton, and M. Th. van Genuchten. 1995. Spatio-temporal variability of soil temperature within three land areas exposed to different tillage systems. Soil Sci. Soc. Am. J., 59(3):752-759.
- Spurlock, F. C., K. Huang, and M. Th. van Genuchten. 1995. Isotherm nonlinearity and nonequilibrium sorption effects on transport of fenuron and monuron in soil columns. Environ. Sci. Techn., 29(4): 1000-1007.
- Huang, K., N. Toride, and M. Th. van Genuchten. 1995. Experimental investigation of solute transport in large homogeneous and heterogeneous, saturated soil columns. Transport in Porous Media 8:283-302.
- Wessolek, G., R. Plagge, F. J. Leij, and M. Th. van Genuchten. 1994. Analysing problems in describing field and laboratory measured soil hydraulic properties. Geoderma, 64:93-110.
- Huang, K., R. Zhang, and M. Th. van Genuchten. 1994. An Eulerian-Lagrangian approach with an adaptively corrected method of characteristics to simulate variably-saturated water flow. Water Resour. Res. 30(2):499-507.
- Leij, F. J., N. Toride, and M. Th. van Genuchten. 1993. Analytical solutions for non-equilibrium solute transport in three-dimensional porous media. J. Hydrol. 151: 193-228.
- Zhang, R., K. Huang, and M. Th. van Genuchten. 1993. An efficient Eulerian-Lagrangian method for solving solute transport problems in steady and transient flow fields. Water Resour. Res. 29(12): 4131-4138.
- van Genuchten, M. Th., and S. K. Gupta. 1993. A reassessment of the crop salt tolerance response function. J. Indian Soc. Soil Sci., 41(4):730-737.
- Toride, N., F. J. Leij, and M. Th. van Genuchten. 1993. A comprehensive set of analytical solutions for nonequilibrium solute transport with first-order decay and zero-order production. Water Resour. Res. 29(7): 2167-2182.
- Bohne, K., C. Roth, F. J. Leij, and M. Th. van Genuchten. 1993. Rapid method for estimating the unsaturated hydraulic conductivity from infiltration experiments. Soil Sci. 155(4): 237-244.
- Gerke, H. H., and M. Th. van Genuchten. 1993. Evaluation of a first-order water transfer term for variably-saturated dual-porosity models. Water Rwsour. Res. 29(4): 1225-1238.
- Gerke, H. H., and M. Th. van Genuchten. 1993. A dual-porosity model for simulating the preferential movement of water and solutes in structured porous media. Water Resour. Res. 29(2): 305-319.
- Mitchell, A. R., and M. Th. van Genuchten. 1993. Flood irrigation of a cracked soil. Soil Sci. Soc. Am. J., 57(2): 490-497.
- Singh, G., W. E. Spencer, M. Th. van Genuchten, and R. S. Kookana. 1992. Predicting pesticide transport in soil. Pesticide Res. J. 4(1): 1-10.
- van Genuchten, M. Th., F. J. Leij, and L. J. Lund (eds.). 1992. Proc. Int. Workshop, Indirect Methods of Estimating the Hydraulic Properties of Unsaturated Soils. Univ. of California, Riverside. 718 p.
- Jacobsen, O. H., F. J. Leij, and M. Th. van Genuchten. 1992. Parameter determination for chloride and tritium transport in undisturbed lysimeters during steady flow. Nordic Hydrol., 23: 89-104.
- Parlange, J.-Y., J. L. Starr, M. Th. van Genuchten, D. A. Barry, and J. C. Parker. 1992. Exit conditions for miscible displacement experiments. Soil Sci. 153(3): 165-171.
- 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(2): 347-354.
- van Genuchten, M. Th., F. J. Leij, and S. R. Yates. 1991. The RETC code for quantifying the hydraulic functions of unsaturated soils. Report No. EPA/600/2-91/065. R. S. Kerr Environmental Research Laboratory, U. S. Environmental Protection Agency, Ada, OK. 85 p.
- Leij, F. J., T. H. Skaggs, and M. Th. van Genuchten. 1991. Analytical solutions for solute transport in three-dimensional semi-infinite porous media. Water Resour. Res. 27(10): 2719-2733.
- Kamra, S. K., S. R. Singh, K. V. G. K. Rao, and M. Th. van Genuchten. 1991. A semi-discrete model for water and solute movement in tile-drained soils: I. Governing equations and solution. Water Resour. Res. 27(9): 2439-2447.
- Sardin, M., D. Schweich, F. J. Leij, and M. Th. van Genuchten. 1991. Modeling the nonequilibrium transport of linearly interacting solutes in porous media; A review. Water Resour. Res. 27(9): 2287-2307.
- van Genuchten, M. Th. (ed.). 1991. Hydrology. U.S. National Report to the International Union of Geodesy and Geophysics 1987-1990. Reviews of Geophysics, Supplement, p. 189-279.
- G. Kienitz, P. C. D. Milly, M. Th. van Genuchten, D. Rosbjerg, and W. J. Shuttleworth (eds.). 1991. Hydrological Interactions Between Atmosphere, Soil and Vegetation, Publ. No. 204, Int. Assoc. of Hydrol. Sci., IAHS Press, Wallingford, UK, 494 p.
- Sisson, J. B., and M. Th. van Genuchten. 1991. An improved analysis of gravity-drainage experiments for estimating the unsaturated soil hydraulic properties. Water Resour. Res., 27 (4): 569-575.
- Gamerdinger, A. P., R. J. Wagenet, and M. Th. van Genuchten. 1990. Application of two-site/two-region models for studying simultaneous nonequilibrium transport and degradation of pesticides. Soil Sci. Soc. Am. J., 54(4): 957-963.
- Singh, G., W. F. Spencer, M. M. Cliath, and M. Th. van Genuchten. 1990. Sorption behavior of s-Triazine and Thiocarbamate herbicides on soils. J. Environ. Qual. 19(3): 520-525.
- van Genuchten, M. Th., D. E. Rolston, and P. F. Germann (eds.). 1990. Transport of Water and Solutes in Macropores. Geoderma, 46(1-3): 1-297.
- van Dam, J. C., J. M. H. Hendrickx, H. C. van Ommen, M. H. Bannink, M. Th. van Genuchten, and L. W. Dekker. 1990. Water and solute movement in a coarse-textured water-repellent field soil. J. Hydrol., 120: 359-379.
- Wallach, R. and M. Th. van Genuchten. 1990. A physically-based model for predicting solute transfer from soil solution to rainfall-induced runoff water. Water Resour. Res., 26(9): 2119-2126.
- Batu, V., and M. Th. van Genuchten. 1990. First# and third-type boundary conditions in two-dimensional solute transport modeling. Water Resour. Res., 26(2): 339-350.
- van Genuchten, M. Th., and R. J. Wagenet. 1989. Two-site/two-region models for pesticide transport and degradation: Theoretical development and analytical solutions. Soil Sci. Soc. Am. J., 53(5): 1303-1310.
- Luckner, L., M. Th. van Genuchten, and D. R. Nielsen. 1989. A consistent set of parametric models for the two-phase flow of immiscible fluids in the subsurface. Water Resour. Res., 25(10): 2187-2193.
- van Ommen, H. C., M. Th. van Genuchten, W. H. van der Molen, R. Dijksma, and J. Hulshof. 1989. Experimental and theoretical analysis of solute transport from a diffuse source of pollution. J. Hydrol., 105: 225-251.
- Wierenga, P. J., and M. Th. van Genuchten. 1989. Solute transport through small and large unsaturated columns. Ground Water, 27(1): 35-42.
- Wösten, J. H. M., and M. Th. van Genuchten. 1988. Using texture and other soil properties to predict the unsaturated soil hydraulic properties. Soil Sci. Soc. Am. J., 52(6): 1762-1770.
- Schulin, R., M. Th. van Genuchten, H. Fluhler, and P. Ferlin. 1987. An experimental study of solute transport in a stony field soil. Water Resour. Res., 23(9): 1785-1794.
- Kool, J. B., J. C. Parker, and M. Th. van Genuchten. 1987.Parameter estimation for unsaturated flow and transport models # A review. J. Hydrol., 91: 255-293.
- van Genuchten, M. Th., and P. J. Wierenga. 1986. Solute dispersion coefficients and retardation factors. In: A. Klute (ed.), Methods of Soil Analysis, part 1, Physical and Mineralogical Methods, Agronomy 9(1): 1025-1054. 2nd ed., Am. Soc. Agron., Madison, WI.
- Nielsen, D. R., M. Th. van Genuchten, and J. W. Biggar. 1986. Water flow and solute transport processes in the unsaturated zone. Water Resour. Res., 22(9): 895-1085.
- Dalton, F. N., and M. Th. van Genuchten. 1986. The time-domain reflectometry method for measuring soil water content and salinity. Geoderma, 38: 237-250.
- van Genuchten, M. Th., and F. N. Dalton. 1986. Models for simulating salt movement in aggregated field soils. Geoderma, 38: 165-183.
- van Genuchten M. Th., and D. R. Nielsen. 1985. On describing and predicting the hydraulic properties of unsaturated soils. Annales Geophysicae, 3(5): 615-628.
- van Genuchten, M. Th. 1985. Convective-dispersive transport of solutes involved in sequential first-order decay reactions.Computers & Geosciences, 11(2): 129-147.
- Parker, J. C., J. B. Kool and M. Th. van Genuchten. 1985. Determining soil hydraulic properties from one-step outflow experiments by parameter estimation. II. Experimental studies. Soil Sci. Soc. Am. J., 49(6): 1354-1359.
- Kool, J. B., J. C. Parker and M. Th. van Genuchten. 1985. Determining soil hydraulic properties from one-step outflow experiments by parameter estimation. I. Theory and numerical studies. Soil Sci. Soc. Am. J., 49(6): 1348-1354.
- van Genuchten, M. Th. 1985. A general approach for modeling solute transport in structured soils. Proc. 17th Int. Congress, Hydrogeology of Rocks of Low Permeability, Jan. 7-11, Tucson, Arizona. Memoires Int. Assoc. Hydrogeol., Vol. 17(2): 513-526.
- Nkedi-Kizza, P., J. W. Biggar, H. M. Selim, M. Th. van Genuchten, P. J. Wierenga, J. M. Davidson and D. R. Nielsen. 1984. On the equivalence of two conceptual models for describing ion exchange during transport through an aggregated oxisol. Water Resour. Res., 20(8): 1123-1130.
- Parker, J. C., and M. Th. van Genuchten. 1984. Flux-averaged and volume-averaged concentrations in continuum approaches to solute transport. Water Resour. Res., 20(7): 866-872.
- van Genuchten, M. Th., and J. C. Parker. 1984. Boundary conditions for displacement experiments through short laboratory soil columns. Soil Sci. Soc. Am. J., 48(4): 703-708.
- van Genuchten, M. Th., D. H. Tang and R. Guennelon. 1984. Some exact solutions for solute transport through soils containing large cylindrical macropores. Water Resour. Res., 20(3): 335-346.
- Parker, J. C., and M. Th. van Genuchten. 1984. Determining Transport Parameters from Laboratory and Field Tracer Experiments. Bull. 84-3, Virginia Agric. Exp. Sta., Blacksburg, VA, 91 p.
- Nkedi-Kizza, P., J. W. Biggar, M. Th. van Genuchten, P. J. Wierenga, H. M. Selim, J. M. Davidson and D. R. Nielsen. 1983. Modeling tritium and chloride 36 transport through an aggregated oxisol.Water Resour. Res., 19(3): 691-700.
- van Genuchten, M. Th. 1983. An Hermitian finite element solution of the two-dimensional saturated-unsaturated flow equation. Adv. Water Resour., 6: 106-111.
- van Genuchten, M. Th., and W. J. Alves. 1982. Analytical solutions of the one-dimensional convective-dispersive solute transport equation. Techn. Bull. 1661, Agricultural Research Service, U. S. Department of Agriculture. 151 p.
- van Genuchten, M. Th. 1982. A comparison of numerical solutions of the one-dimensional unsaturated-saturated flow and mass transport equations. Adv. Water Resour., 5: 47-55.
- van Genuchten, M. Th. 1981. Non-equilibrium transport parameters from miscible displacement experiments. Research Report No. 119, U. S. Salinity Laboratory, Riverside, CA, 88 p.
- van Genuchten, M. Th. 1981. Analytical solutions for chemical transport with simultaneous adsorption, zero-order production and first-order decay. J. Hydrol., 49: 213-233.
- Sisson, J. B., A. H. Ferguson, and M. Th. van Genuchten. 1980. Simple method for predicting drainage from field plots. Soil Sci. Soc. Am. J., 44(6): 1147-1152.
- Babu, D. K., and M. Th. van Genuchten. 1980. A perturbation solution of the nonlinear Boussinesq equation: The case of constant injection into a radial aquifer. J. Hydrol., 48: 269-280.
- van Genuchten, M. Th. 1980. A closed-form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Sci. Soc. Am. J., 44(5): 892-898.
- van Genuchten, M. Th., and R. W. Cleary. 1979. Movement of solutes in soils: Computer-simulated and laboratory results. In: G. H. Bolt (ed.), Soil Chemistry, B. Physico-Chemical Models, Developments in Soil Science 5B, Elsevier Scientific Publ. Co., Amsterdam. p. 349-386.
- Gray, W. G., and M. Th. van Genuchten. 1978. Economical alternatives to Gaussian quadrature over isoparametric quadrilaterals. Int. J. Num. Meth. Eng., 12: 1478-1484.
- van Genuchten, M. Th., and W. G. Gray. 1978. Analysis of some dispersion-corrected numerical schemes for solution of the transport equation. Int. J. Num. Meth. Eng., 12: 387-404.
- Sidle, R. C., L. T. Kardos, and M. Th. van Genuchten. 1977. Heavy metals transport model in a sludge-treated soil. J. Environ. Qual., 6(4): 438-443.
- van Genuchten, M. Th., G. F. Pinder, E. O. Frind. 1977. Simulation of two-dimensional contaminant transport with isoparametric Hermitian finite elements. Water Resour. Res., 13(2): 451-458.
- 174. van Genuchten, M. Th., P. J. Wierenga, and G. A. O'Connor. 1977. Mass transfer studies in sorbing porous media: III. Experimental evaluation with 2,4,5-T. Soil Sci. Soc. Am. J., 41(2): 278-285.
- van Genuchten, M. Th., and P. J. Wierenga. 1977. Mass transfer studies in sorbing porous media: II. Experimental evaluation with tritium (3H2O)1. Soil Sci. Soc. Am. J., 41(2): 272-278.
- van Genuchten, M. Th., and P. J. Wierenga. 1976. Mass transfer studies in sorbing porous media: I. Analytical solutions. Soil Sci. Soc. Am. J., 40(4): 473-480.
- Wierenga, P. J., M. Th. van Genuchten, and F. W. Boyle. 1975. Transfer of boron and tritiated water through sandstone. J. Environ. Qual., 4(1): 833-87.
- van Genuchten, M. Th., J. M. Davidson, and P. J. Wierenga. 1974. An evaluation of kinetic and equilibrium equations for the prediction of pesticide movement through porous media. Soil Sci. Soc. Am. Proc., 38(1): 29-35.