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Name:

Jens Christian Refsgaard

Position:

Professor

Institution:

Geological Survey of Denmark and Greenland, Hydrology

Address:

Øster Voldgade 10, DK-1350 København K

Phone:

+45 38 14 27 76

Email:

Jcr@geus.dk

Website:





Research interests:

- Hydrological modelling
- Flow and transport in fractured media
- Surface water – groundwater interaction
- Catchment hydrology
- Climate change impacts on water resources
- Uncertainty assessment
- Quality assurance and modelling guidelines
- Integrated Water Resources Management


Involvement in research projects:

Hydrological Modelling for Assessing Climate Change Impactsat different Scales (www.hyacints.dk). Co-ordinator.

"Vietas" - Mobilisation of arsenic and interaction between groundwater and surface water in the Red River Plain. Project supported by the Danish Council for Development Research, 2004-2007.


Advisor for PhD students:

Lieke van Roosmalen. Impact assessment of future climate changes on water resources in Denmark on catchment scale.

Annette Nørgaard. Remote Sensing and spatially distributed environmental modeling: Dealing with the effects of scale.

Martin Olsen. Climate change impact on ecological conditions in streams.



Key publications:

[A-1] Refsgaard JC and Hansen E (1976) Economic value of low flow data. Nordic Hydrology, 7, 57-72.
[A-2] Refsgaard JC and Hansen E (1982) A distributed groundwater/surface water model for the Suså catchment. Part 1: Model description. Nordic Hydro¬logy. 13, 299-310.
[A-3] Refsgaard JC and Hansen E (1982) A distributed groundwater/surface water model for the Suså catchment. Part 2: Simulation of streamflow depletion due to groundwater abstraction. Nordic Hydro¬logy. 13, 311-322.
[A-4] Jønch-Clausen T and Refsgaard JC (1984) A Mathematical Modelling System for Flood Forecasting. Nordic Hydrology, 15, 307-318.
[A-5] Knudsen J, Thomsen A and Refsgaard JC (1986) A Semi-Distributed, Phy¬si¬cally Based Hydrological Modelling System. Nordic Hydrology, 17, 347-362.
[A-6] Storm B, Jensen KH and Refsgaard JC (1988) Estimation of Catchment Rain¬fall Uncertainty and its Influence on Runoff Prediction. Nordic Hydrology, 19, 77-88.
[A-7] Refsgaard JC, Havnø K, Ammentorp HC and Verwey A (1988) Application of Hydrological Models for Flood Forecasting and Flood Control in India and Bangladesh. Advances in Water Resources, 11, 101-105.
[A-8] Refsgaard JC, Christensen TH and Ammentorp HC (1991) A Model for Oxygen Transport and Consumption in the Unsaturated Zone. Journal of Hydrology, 129, 349-369.
[A-9] Nielsen SA, Refsgaard JC and Mathur VK (1991) Conceptual Modelling of Water Loss on Flood Plains and its Application to River Yamuna Upstream of Delhi. Nordic Hydrology, 22, 265-274.
[A-10) Jensen KH and Refsgaard JC (1991) Spatial Variability of Physical Parameters and Processes in Two Field Soils. Part I: Water Flow and Solute Transport at Local Scale. Nordic Hydrology, 22, 275-302.
[A-11] Jensen KH and Refsgaard JC (1991) Spatial Variability of Physical Parameters and Processes in Two Field Soils. Part II: Water Flow at Field Scale. Nordic Hydrology, 22, 303-326.
[A-12] Jensen KH and Refsgaard JC (1991) Spatial Variability of Physical Parameters and Processes in Two Field Soils. Part III: Solute Transport at Field Scale. Nordic Hydrology, 22, 327-340.
[A-13] Refsgaard JC, Seth SM, Bathurst JC, Erlich M, Storm B, Jørgensen, GH and Chandra S (1992) Application of the SHE to Catchments in India - Part 1: General Results. Journal of Hydrology, 140, pp 1-23.
[A-14] Jain SK, Storm B, Bathurst JC, Refsgaard JC and Singh RD (1992) Application of the SHE to Catchments in India - Part 2: Field Experiments and Simulation Studies with the SHE on the Kolar Subcatchment of the Narmada River. Journal of Hydrology, 140, 25-47.
[A-15] Lohani VK, Refsgaard JC, Clausen T, Erlich M and Storm B (1993) Application of the SHE for Irrigation Command Area Studies in India. Journal of Irrigation and Drainage Engineering, 119(1), 34-49.
[A-16] Refsgaard JC and Knudsen J (1996) Operational validation and intercompar¬is¬on of different types of hydrological models. Water Resources Research, 32 (7), 2189-2202.
[A-17] Refsgaard JC (1997) Parametrisation, calibration and validation of distributed hydrological models. Journal of Hydrology, 198, 69-97.
[A-18] Singh R, Refsgaard JC, Yde L, Jørgensen GH and Thorsen M (1997) Hydraulic hydrological simulations of canal-command for irrigation water management. Irrigation and Drainage Systems, 11, 185-213.
[A-19] Refsgaard JC (1997) Validation and intercomparison of different updating procedures for real-time forecasting. Nordic Hydrology, 28, 65-84.
[A-20] Thorsen M, Jørgensen PR, Felding G, Jacobsen OH, Spliid NH and Refsgaard JC (1998) Evaluation of a stepwise procedure for comparative validation of pesticide leaching models. Journal of Environmental Quality, 27 (5), 1183-1193.
[A-21] Lørup JK Refsgaard JC and Mazvimavi D (1998) Assessing the effect of land use change on catchment runoff by combined use of statistical tests and hydrological modelling: Case studies from Zimbabwe. Journal of Hydrology, 205, 147-163.
[A-22] Refsgaard JC, Sørensen HR, Mucha I, Rodak D, Hlavaty Z, Bansky L, Klucovska J, Topolska J, Takac J, Kosc V, Enggrob HG, Engesgaard P, Jensen JK, Fiselier J, Griffioen J and Hansen S (1998) An integrated model for the Danubian Lowland – methodology and applications. Water Resources Management, 12, 433-465.
[A-23] Singh R, Subramanian K and Refsgaard JC (1999) Hydrological Water Balance Modelling of a Small Watershed using MIKE SHE for Irrigation Planning. Agricultural Water Management Journal, 41, 149-166.
[A-24] Singh, R, Refsgaard JC and Yde L (1999) Application of irrigation optimisation system (IOS) to a major irrigation project in India. Irrigation and Drainage Systems, 13(3), 229-248.
[A-25] Refsgaard JC, Thorsen M, Jensen JB, Kleeschulte S, and Hansen S (1999) Large scale modelling of groundwater contamination from nitrogen leaching. Journal of Hydrology, 221(3-4), 117-140.
[A-26] Thorsen M, Refsgaard JC, Hansen S, Pebesma E, Jensen JB and Kleeschulte S (2001) Assessment of uncertainty in simulation of nitrate leaching to aquifers at catchment scale. Journal of Hydrology, 242, 210-227.
[A-27] Andersen J, Refsgaard JC and Jensen KH (2001) Distributed hydrological modelling of the Senegal River Basin – model construction and validation. Journal of Hydrology, 247, 200-214.
[A-28] Vazquez RF, Feyen L, Feyen J and Refsgaard JC (2002) Effect of grid size on effective parameters and model performance of the MIKE SHE code. Hydrological Processes, 16, 355-372
[A-29] Andersen J, Dybkjaer G, Jensen KH, Refsgaard JC and Rasmussen K (2002) Use of remotely sensed precipitation and leaf area index in a distributed hydrological model. Journal of Hydrology, 264, 34-50.
[A-30] Andersen J, Sandholt I, Jensen KH, Refsgaard JC and Gupta H (2002) Perspectives in using a remotely sensed dryness index in distributed hydrological models at the river-basin scale. Hydrological Processes, 16, 2973-2987.
[A-31] Sonnenborg TO, Christensen BSB, Nyegaard P, Henriksen HJ and Refsgaard JC (2003) Transient modelling of regional groundwater flow using parameter estimates from steady-state automatic calibration. Journal of Hydrology, 273, 188-204.
[A-32] Henriksen, HJ, Troldborg L, Nyegaard P, Sonnenborg TO, Refsgaard JC and Madsen B (2003) Methodology for construction, calibration and validation of a national hydrological model for Denmark. Journal of Hydrology, 280, 52-71.
[A-33] Sandholt I, Andersen J, Dybkjær G, Nyborg L, Lo M, Rasmussen K, Refsgaard JC, Jensen KH and Toure A (2003) Integration of Earth Observation data in distributed hydrological models: the Senegal River basin. Canadian Journal of Remote Sensing, 29(6), 701-710.
[A-34] Refsgaard JC and Henriksen HJ (2004) Modelling guidelines – terminology and guiding principles. Advances in Water Resources, 27(1), 71-82.
[A-35] Boegh E, Thorsen M, Butts MB, Christiansen JS, van der Keur P, Abrahamsen P, Thomsen A, Hasager CB, Jensen NO and Refsgaard JC (2004) Incorporating remote sensing data in physically based distributed agro-hydrological modelling. Journal of Hydrology, 287, 279-299.
[A-36] Christiansen JS, Thorsen M, Clausen T, Hansen S and Refsgaard JC (2004) Modelling of macropore flow and transport processes at catchment scale. Journal of Hydrology, 299, 136-158.
[A-37] Refsgaard JC, Henriksen HJ, Harrar WG, Scholten H and Kassahun A (2005) Quality assurance in model based water management – Review of existing practice and outline of new approaches. Environmental Modelling & Software, 20, 1201-1215. (Selected by the panel of Associate Editors as one of two runners-up in the “Best 2005 research paper in EMS”).
[A-38] Refsgaard JC, Nilsson B, Brown J, Klauer B, Moore R, Bech T, Vurro M, Blind M, Castilla G, Tsanis I and Biza P (2005) Harmonised Techniques and Representative River Basin Data for Assessment and Use of Uncertainty Information in Integrated Water Management (HarmoniRiB). Environmental Science and Policy, 8, 267-277.
[A-39] Højberg AL and Refsgaard JC (2005) Model Uncertainty - Parameter uncertainty versus conceptual models. Water Science and Technology, 52(6), 177-186.
[A-40] Brown JD, Heuvelink GBM and Refsgaard JC (2005) An integrated methodology for recording uncertainties about environmental data. Water Science and Technology, 52(6), 153-160.
[A-41] Refsgaard JC, van der Sluijs JP, Brown JD and van der Keur P (2006) A framework for dealing with uncertainty due to model structure error. Advances in Water Resources, 29, 1586-1597. http://dx.doi.org/10.1016/j.advwatres.2005.11.013
[A-42] Scholten H, Kassahun A, Refsgaard JC, Kargas T, Gavardinas C and Beulens AJM (2007) A methodology to support multidisciplinary model-based water management. Environmental Modelling & Software, 22, 743-759. doi:10.1016/j.envsoft.2005.12.025
[A-43] Højberg AL, Refsgaard JC, van Geer F, Jørgensen LF and Zsuffa I (2007) Use of Models to Support the Monitoring Requirements in the Water Framework Directive, Water Resources Management, 21(10), 1649-1672. http://dx.doi.org/10.1007/s11269-006-9119-y
[A-44] Refsgaard JC, van der Sluijs JP, Højberg AL, Vanrolleghem PA (2007) Uncertainty in the environmental modelling process – A framework and guidance. Environmental Modelling & Software, 22, 1543-1556. http://dx.doi.org/10.1016/j.envsoft.2007.02.004
[A-45] Troldborg L, Refsgaard JC, Jensen KH, Engesgaard P (2007) The importance of alternative conceptual models for simulation of concentrations in multi-aquifer system. Hydrogeology Journal, 15, 843-860.
[A-46] Jørgensen LF, Refsgaard JC, Højberg AL (2007) The inadequacy of monitoring without modelling support. Journal of Environmental Monitoring, 9, 931-942. DOI: 10.1039/b706617c
[A-47] Hansen JR, Refsgaard JC, Hansen S, Ernstsen V (2007) Problems with heterogeneity in physically based agricultural catchment models. Journal of Hydrology, 342 (1-2), 1-16. doi:10.1016/j.jhydrol.2007.04.016
[A-48] Dahl M, Nilsson B, Langhoff JH, Refsgaard JC AL (2007) Review of classification systems and new multi-scale typology of Groundwater – Surface water Interaction. Journal of Hydrology, 344(1/2), 1-16. http://dx.doi.org/10.1016/j.jhydrol.2007.06.027
[A-49] Nilsson B, Højberg AL, Refsgaard JC, Troldborg L (2007) Uncertainty in geological and hydrogeological data. Hydrology and Earth system Sciences 11, 1551-1561.
[A-50] Jørgensen LF, Refsgaard JC, Højberg AL (2007) Joint use of monitoring and modelling. Water Science and Technology, 56(8) 21-29. doi:10.2166/wst.2007.596
[A-51] Blind MW, Refsgaard JC (2007) Operationalising uncertainty in data and models for integrated water resources management. Water Science and Technology, 56(9) 1-12. doi:10.2166/wst.2007.593
[A-52] Henriksen HJ, Troldborg L, Højberg AL, Refsgaard JC (2008) Assessment of exploitable groundwater resources of Denmark by use of ensemble ressource indicators and numerical groundwater-surface water model. Journal of Hydrology, 348(1-2). 224-240. http://dx.doi.org/10.1016/j.jhydrol.2007.09.056
[A-53] van der Keur P, Henriksen, HJ, Refsgaard JC, Brugnach M, Pahl-Wostl C, DeWulf A, Buiteveld H (2008) Identification of major sources of uncertainty in current IWRM practice. Illustrated for the Rhine basin. Water Resources Management. http://dx.doi.org/10.1007/s11269-008-9248-6.
[A-54] Rosenbom AE, Ernstsen V, Flühler H, Jensen KH, Refsgaard JC, Wydler H (2008) Flourescence Imaging Applied to Tracer Distributions in Variably Saturated Fractured Clayey Till. Journal of Environmental Quality, 37, 448-458. doi:10.2134/jeq2007.0145







 
 
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