J. W. Hopmans

Inverse modeling of large-scale spatially distributed vadose zone properties using global optimization (2004)

Vrugt, J.A., Schoups, G., Hopmans, J.W., Young, C.A., Wallender, W.W., Harter, T., ...

Parameter uncertainty of a regional subsurface water flow model using single and multi-objective calibration (2004)

Schoups, G., Hopmans, J.W., Young, C.A., Vrugt, J.A., Wallender, W.W.

Toward improved indentifiability of soil hydraulic parameters: On the selection of a suitable parametric model (2004)

Vrugt, J.A., Bouten, W., Gupta, H.V., Hopmans, J.W.

Inverse modeling of large-scale spatially distributed vadose zone properties using global optimization / W06503, doi:10.1029/2003WR002706 (2004)

Vrugt, J.A., Schoups, G., Hopmans, J.W., Young, C., Wallender, W.W., Harter, T., ...

Assessment and field-scale mapping of soil quality properties of a saline-sodic soil (2003)

Corwin, D.L., Kaffka, S.R., Hopmans, J.W., Mori, Y., ...

Salt-affected soils could produce useful forages when irrigated with saline drainage water. To assess the productive potential and sustainability of using drainage water for forage production, a...

Toward improved identifiability of soil hydraulic parameters: on the selection of a suitable parametric model (2003)

Vrugt, J.A., Bouten, W., Gupta, H.V., Hopmans, J.W.

Calibration of a two-dimensional root water uptake model (2001)

Vrugt, J.A., Hopmans, J.W., Simunek, J.

Review of heat and water movement in field soils (1998)

Parlange, M. B., Cahill, A. T., Nielsen, D. R., Hopmans, J. W., Wendroth, O.

Vadose zone measurement and modeling (1997)

Hopmans,J. W., Clausnitzer,V., Kosugi,K.I., Nielsen,D.R., Somma,F.

The following treatise is a summary of some of the ongoing research activities in the soil physics program at the University of California in Davis. Each of the four listed areas win be presented at...

Selected research opportunities in soil physics (1997)

Nielsen,D.R., Kutilek,M., Wendroth,O., Hopmans,J.W.

Selected research opportunities are discussed in order to guide soil science research, with emphasis on soil physics, with the aim of improving agricultural productivity and environmental quality.

A brief review of soil water, solute transport and regionalized variable analysis (1997)

Nielsen,D.R., Hopmans,J.W., Kutílek,M., Wendroth,O.

We initially review basic concepts of the forces acting on soil water, soil water potential and soil water retention, and equations to describe soil water movement under water-saturated and...

Parameter estimation of soil hydraulic functions using inverse modeling of transient outflow experiments. (1996)

Hopmans, J.W., Eching, S.O., Stricker, J.N.M.

Optimization and uncertainty of soil characteristics using outflow and infiltration experiments. (1994)

Clausnitzer, V., Hopmans, J.W.

Prediction of solute breakthrough from scaled soil physical properties. (1989)

Hopmans, J.W.

Application of a simple soil-water hysteresis model. (1988)

Hogarth, W.L., Hopmans, J.W., Parlange, J.Y., Haverkamp, R.

Calibration of a root water uptake model in spatially variable soils. (1988)

Hopmans, J.W., Guttierez, E.

A comparison of techniques to scale soil hydraulic properties. (1987)

Hopmans, J.W.

Soil hydraulic properties in the study area Hupselse Beek as obtained from three different scales of observation: An overview. (1987)

Hopmans, J.W., Stricker, J.N.M.

Some major modifications of the simulation model SWATRE. (1987)

Hopmans, J.W.

Application and evaluation of techniques which describe the spatial variation of soil physical and hydrological variables: A final report. (1987)

Hopmans, J.W., Stricker, J.N.M.

A comparison of techniques to scale soil hydraulic properties. (1986)

Hopmans, J.W.

Application and evaluation of techniques which describe the spatial variability of soil physical and hydrological variables. (1986)

Hopmans, J.W.

Presentation and application of an analytical model to describe soil hydraulic properties. (1986)

Hopmans, J.W., Overmars, B.

Review of 'soil variability'-approaches in literature (1985)

Hopmans, J.W.

Two-dimensional modeling of nitrate leaching for various fertigation scenarios under micro-irrigation

Gardenas, A.I., Hopmans, J.W., Hanson, B.R., Simunek, J.

Spatial and temporal distribution of soil water balance for a drip-irrigated almond tree

Andreu, L., Hopmans, J. W., Schwankl, L. J.

Application efficiency of micro-sprinkler irrigation of almond trees

Koumanov, K. S., Hopmans, J. W., Schwankl, L. J., Andreu, L., Tuli, A.

Treatment of spatially variable groundwater levels in one-dimensional stochastic unsaturated water-flow modelling

Hopmans, J. W.

Variation in evapotranspiration and capillary rise with changing soil profile characteristics

Hopmans, J. W., Van Immerzeel, C. H.