E. L. Wipfler, K. Metselaar, R. A. Feddes, E. Van Meijgaard, ...
The skill of the land surface model HTESSEL is assessed to reproduce evaporation in response to land surface characteristics and atmospheric forcing, both being spatially variable. Evaporation...
Muljanto Nugroho, Promotor Prof. Dr. Ir, R. A. Feddes, Ecohydrologie En, Het Grondwaterbeheer, ...
ter verkrijging van de graad van doctor op gezag van de Rector Magnificus van Wageningen Universiteit Prof. dr. M.J. Kropff in het openbaar te verdedigen
ESTIMATION OF NET GROUNDWATER USE IN IRRIGATED RIVER BASINS USING GEO-INFORMATION TECHNIQUES (2008)
Promotor Prof, R. A. Feddes, A Case, Study In, Rechna Doab, ...
on the authority of the rector magnificus
Hoogleraar in de bodemnatuurkunde, agrohydrologie en het grondwaterbeheer, (2008)
Yaoming Ma, Promotoren Prof, Dr. R. A. Feddes, Prof Dr, M. Menenti, Samenstelling Promotiecommissie, ...
Determination of regional surface heat fluxes over heterogeneous landscapes by integrating satellite remote sensing with boundary layer observations
Water productivity analysis of irrigated crops in Sirsa district, India (2006)
Water productivity (WP) expresses the value or benefit derived from the use of water, and includes essential aspects of water management such as production for arid and semi-arid regions. A profound...
Ben-Asher, J., Feddes, R.A., Jhorar, R.K.
Soil, water, atmosphere and plant (SWAP) model simulates deterministic transport of water and solutes, incorporating a semi-analytical sink function. It enables one to simulate detailed (SAWPd) or...
Singh, R., Kroes, J.G., Feddes, R.A.
Distributed ecohydrological modelling can provide a useful tool to evaluate the performance of irrigation systems at different spatial and temporal scales. Sirsa district, covering 4270 km2 in the...
Assessing crop water productivity from field to regional scale (2006)
As previous co-workers of Dr. Jans Wesseling, who headed the Department of Water Management of the Institute for Land and Water Management Research, i.e. the `Instituut voor Cultuurtechniek en...
The first three, successive Editors-in-Chief of Agricultural Water Management, Jans Wesseling, Jan van Schilfgaarde, and Herman Bouwer, were of Dutch origin, received their early training immediately...
Singh, R., Jhorar, R.K., Feddes, R.A.
This study focuses on the identification of appropriate strategies to improve water management and productivity in an irrigated area of 4270 km2 in India (Sirsa district). The field scale...
Jhorar, R. K., Kroes, J. G., Dam, J. C. Van, ...
This study focuses on the identification of appropriate strategies to improve water management and productivity in an irrigated area of 4270 km2 in India (Sirsa district). The field scale...
Kroes, J. G., Dam, J. C. Van, Feddes, R. A.
Distributed ecohydrological modelling can provide a useful tool to evaluate the performance of irrigation systems at different spatial and temporal scales. Sirsa district, covering 4270 km2 in the...
Water productivity analysis of irrigated crops in Sirsa district, India (2006)
Water productivity (WP) expresses the value or benefit derived from the use of water, and includes essential aspects of water management such as production for arid and semi-arid regions. A profound...
Wageningen UR, Jhorar, R. K., Kroes, J. G., Wageningen UR, ...
This study focuses on the identification of appropriate strategies to improve water management and productivity in an irrigated area of 4270 km2 in India (Sirsa district). The field scale...
Wageningen UR, Kroes, J. G., Wageningen UR, Dam, J. C. Van, Wageningen UR, ...
Distributed ecohydrological modelling can provide a useful tool to evaluate the performance of irrigation systems at different spatial and temporal scales. Sirsa district, covering 4270 km2 in the...
Water productivity analysis of irrigated crops in Sirsa district, India (2006)
Wageningen UR, Dam, J. C. Van, Wageningen UR, Feddes, R. A., Wageningen UR
Water productivity (WP) expresses the value or benefit derived from the use of water, and includes essential aspects of water management such as production for arid and semi-arid regions. A profound...
Bastiaanssen, W.G.M., Feddes, R.A.
Over-exploitation of groundwater resources threatens the future of irrigated agriculture, especially in the arid and semi-arid regions of the world. In order to reverse this trend, and to ensure...
Calibration of effective soil hydraulic parameters of heterogeneous soil profiles (2004)
Jhorar, R.K., Bastiaanssen, W.G.M., Feddes, R.A.
Distributed hydrological models are useful tools to analyse the performance of irrigation systems at different levels. For the successful application of these models, it is imperative that effective...
Evaluation of the temporal variability of the evaporative fraction in a tropical watershed (2004)
Farah, H.O., Bastiaanssen, W.G.M., Feddes, R.A.
Evaporation exhibits diurnal variation in response to the changes in the available energy at the land surface. This requires continuous measurements of evaporation to determine daily total...
Global warming and drainage development: perspective and challenges (2004)
Irrigated agriculture is expected to play a major role in reaching the broader development objectives of achieving food security and improvements in the quality of life, while conserving the...
Existing degrees of consolidation (2004)
Dirmeyer, P.A., Feddes, R.A., Hall, F.G., Halldin, S., Hoff, H., Houser, P., ...
Estimation of root water uptake parameters by inverse modeling with soil water content data (2003)
Hupet, F., Lambot, S., Feddes, R.A., Vanclooster, M.
In this paper we have tested the feasibility of the inverse modeling approach to derive root water uptake parameters (RWUP) from soil water content data using numerical experiments for three...
Chloride transport in a recently reclaimed Dutch polder (2002)
Knowledge about the origin of solutes is required to define reasonable limits for surface water quality. The origin of the high chloride (Cl) concentrations in the drainage water of a recently...
Modelling Water Flow and Solute Transport for Horticultural and Environmental Management (2002)
During the past 10 years, the simulation model SWAP (Soil, Water, Atmosphere, Plant) was developed by the Sub-Department Water Resources of Wageningen University jointly with the Department Water and...
Homaee, M., Dirksen, C., Feddes, R.A.
A macroscopic root extraction model was used with four different reduction functions for salinity stress in the numerical simulation model HYSWASOR. Most of the parameter values originally proposed...
Homaee, M., Feddes, R.A., Dirksen, C.
The macroscopic root water uptake approach was used in the numerical simulation model HYSWASOR to test four different pressure head-dependent reduction functions. The input parameter values were...
Simulation of root water uptake. III Non-uniform transient combined salinity and water stress (2002)
Homaee, M., Feddes, R.A., Dirksen, C.
Six different reduction functions for combined water and salinity stress are used in the macroscopic root water extraction term. The reduction functions are classified as linear additive, non-linear...
Biospheric Aspects of the Hydrological Cycle (2002)
Kabat, P., Claussen, M., Dirmeyer, P.A., Gash, J.H.C., Meybeck, M., ...
Ahmad, M.U.D., Bastiaanssen, W.G.M., Feddes, R.A.
The food-producing regions of the world increasingly rely on irrigation from groundwater resources. Further increases of groundwater use can adversely affect the sustainability of irrigated...
Dielectric Relaxation of Bound Water versus Soil Matric Pressure (2001)
Hilhorst, M.A., Dirksen, C., Kampers, F.W.H., Feddes, R.A.
The electrical permittivity of soil is a function of the water content, which facilitates water content measurements. The permittivity of soil is also a function of the frequency of the applied...
Modeling root water uptake in hydrological and climate models (2001)
Feddes, R.A., Hoff, H., Bruen, M., Dawson, T.E., Dirmeyer, P., ...
From 30 September to 2 October 1999 a workshop was held in Git-sur-Yvette, France, with the central objective to develop a research strategy for the next 3-5 years, aiming at a systematic description...
New dielectric mixture equation for porous materials based on depolarization factors (2001)
Hilhorst, M.A., Dirksen, C., Kampers, F.W.H., Feddes, R.A.
A change in the relative proportions of the constituents of a porous material like soil will cause a change in its electrical permittivity. The measured permittivity reflects the impact of the...
Dielectric relaxation of bound water versus soil matric pressure (2001)
Hilhorst, M.A., Dirksen, C., Kampers, F.W.H., Feddes, R.A.
The electrical permittivity of soil is a function of the water content, which facilitates water content measurements. The permittivity of soil is also a function of the frequency of the applied...
Modeling root water uptake in hydrological and climate models (2001)
Feddes, R.A., Hoff, H., Bruen, M., Dawson, T., Dirmeyer, P., ...
From 30 September to 2 October 1999 a workshop was held in Git-sur-Yvette, France, with the central objective to develop a research strategy for the next 3-5 years, aiming at a systematic description...
New dielectic mixture equation for porous materials based on depolarisation factors (2000)
Hilhorst, M.A., Dirksen, C., Kampers, F.W.H., Feddes, R.A.
A change in the relative proportions of the constituents of a porous material like soil will cause a change in its electrical permittivity. The measured permittivity reflects the impact of the...
Analysis of water and solute movement in unsaturated-saturated soil systems would greatly benefit from an accurate and efficient numerical solution of the Richards equation. Recently the mass balance...
Dolman, A.J., Soet, M., Ronda, R., Kabat, P., Feddes, R.A., ...
Large-scale field experiments to improve land surface parameterisations (1999)
Feddes, R.A., Kabat, P., Dolman, A.J., Hutjes, R.W.A., Waterloo, M.J.
Dolman, A.J., Soet, M., Ronda, R., Kabat, P., ...
A remote sensing surface energy balance algorithm for land. I. Formulation. (1998)
Bastiaanssen, W.G.M., Menenti, M., Feddes, R.A., Holtslag, A.A.M.
Biospheric aspects of the hydrological cycle. (1998)
Hutjes, R.W.A., Kabat, P., Running, S.W., Shuttleworth, W.J., Field, C., Bass, B., ...
Large-scale field experiments to improve land surface parameterisations. (1998)
Feddes, R.A., Kabat, P., Dolman, A.J., Hutjes, R.W.A., Waterloo, M.J.
Climate and Water - A 1998 perspective (1998)
Dooge, J.C.I., Kuusisto, E., Askew, A., Bergström, A., Bonnell, M., Burn, D., ...
Biospheric aspects of the hydrological cycle; preface (1998)
Hutjes, R.W.A., Kabat, P., Running, S.W., Shuttleworth, W.J., Field, C., Bass, B., ...
A remote sensing surface energy balance algorithm for land (SEBAL); 1 formulation (1998)
Bastiaanssen, W.G.M., Menenti, M., Feddes, R.A., Holtslag, A.A.M.
Passive and active microwave remote sensing of soil moisture (1997)
Menenti, M., Woodhouse, I., Feddes, R.A., Bastiaanssen, W., Hoekman, D.H., ...
Remote sensing parameterization of meso scale land surface evaporation. (1996)
Bastiaanssen, W.G.M., Menenti, M., Dolman, A.J., Feddes, R.A., Pelgrum, H.
Estimation of surface resistance and Priestley & Taylor alpha-parameter at different scales. (1996)
Bastiaanssen, W.G.M., Pelgrum, H., Menenti, M., Feddes, R.A.
Pesticide leaching on loamy sands (1996)
Groen, K.P., Feddes, R.A., Schultz, B., Koopmans, R., Van Dam, J.C.
An extended version of the computer simulation model PESTLA for pesticide fate has been adapted and implemented as a subroutine in the computer simultation model SWACRO, which describes the flow of...
Emission of solutes in cracked clay soils (1996)
Groen, K.P., Feddes, R.A., Schultz, B., Koopmans, R., Van Dam, J.C.
A submodel for solute behaviour has been implemented as a subroutine in the computer simulation model SWACRO, which describes the flow of water in the unsaturated zone. The model was calibrated...
Estimation of surface resistance and Priestley-Taylor alpha-parameter at different scales (1996)
Bastiaanssen, W.G.M., Pelgrum, H., Menenti, M., Feddes, R.A.
It is quite customary to describe the effects of soil water content on evaporation by means of a resistance or conductance term. A major drawback in the resistance formulations are the empirical...
Remote sensing parameterization of meso-scale land surface evaporation (1996)
Bastiaanssen, W.G.M., Menenti, M., Dolman, A.J., Feddes, R.A., Pelgrum, H.
Atmospheric models are tools to forecast climate trends. The grid lengths of these models at which the land surface fluxes need to be described are of the order of 100 to 300 km. Remote-sensing...
Sustainability of irrigated agriculture (1996)
Pereira, L.S., Feddes, R.A., Gilley, J.R., Lesaffre, B.
A summary work on the use of irrigation in agriculture. / Ouvrage de synthèse sur l'utilisation de l'irrigation en agriculture.
Research agenda on sustainability of water resources utilization in agriculture (1996)
Pereira, L.S., Gilley, J.R., Jensen, M.E., Feddes, R.A., Lesaffre, B.
The NATO Advanced Research Workshop on "Sustainability of Irrigated Agriculture (Sustainability of Water Resources Utilization in Agriculture), co-sponsored by the STD Program of the European Union,...
Kabat, P., Feddes, R.A., Dolman, A.J., Huyen, J., ...
Modelling soil water dynamics and crop water uptake at the field level (1995)
Parametrization approaches to model soil water dynamics and crop water uptake at field level were analysed. Averaging and numerical difficulties in applying numerical soil water flow models to...
Modelling flow and transport in the unsaturated zone: scale problems and spatial variability. (1993)
Watertransport in de onverzadigde zone. (1993)
Feddes, R.A., Kabat, P., Bronswijk, J., Halbertsma, J., Rientjes, T.
Water, heat and crop growth / (1971)
Feddes, R. A., Landbouwhogeschool Wageningen.
Thesis (doctoral)--Landbouwhogeschool Wageningen, 1971.