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Contact information and CV

Anker Lajer Højberg
Anker Lajer Højberg

Technical University of Denmark, 1996, M.Sc., Specialization: Hydrology
Technical University of Denmark, 2001, Ph.D., Subsurface reactive transport


Broad expertise in hydrology and modelling at various scales including water quantity and quality

Extensive experience with coordination of small and large complex research and development projects involving multiple research and administrative organisations

Strong international project experience

Comprehensive experience with collaboration with Danish Agencies and other Water authorities involving stakeholder participation

Solid oral and written communication skills


Geological Survey of Denmark and Greenland (GEUS)
Senior Researcher, Department of Hydrology (2006-date)
Researcher, Department of Hydrology (2001-2006)

1996 and 2001
Technical University of Denmark, Lyngby, Copenhagen
Research Assistant

Research and Development Project Experience - Selected records:

Principal investigator in research and innovation project “Future Cropping”,, funded by the Innovation Fund Denmark

Co-ordinator of the research project “Transport and Reduction of Nitrate in Danish landscapes at various Scales” (TReNDS),, funded by the Danish Strategic Research Council, now Innovation Fund Denmark.

Principal researcher in research project Soils2Sea ( on nitrate transport to the Baltic Sea. Funded by the BONUS programme.

Project Leader for a research and development project on national scale modelling of nitrate transport and degradation.Funded by the Danish Nature Agency and Danish AgriFish Agency

2011- 2014
Work Package Leader in research project “Tools for Ground Source Heating and Cooling Based on Closed Loop Boreholes” ( a development and demonstration project (EUDP) funded by the Danish Energy Agency

Project manager of research project on modelling of extreme discharge and groundwater flooding. Funded by the Coordination Unit for Research in Climate Change Adaption (KFT)

Principal researcher in project estimating climate change impact on groundwater levels and stream discharge. Funded by the Coordination Unit for Research in Climate Change Adaption (KFT)

Project Manager for the National Water Resource Model (DK-model) (

Project participant in the EU-FP6 STREP Project “Functional Tools for Pesticide Risk Assessment and Management (FOOTPRINT)” SSPI-CT-2005-022704.

Project Manager for “Quality Assurance in Water Resources Modelling (NOVANAQuA) on Quality Assurance in Hydrological Modelling in Denmark”

Project participant in the EU-FP5 research project “Harmonized Modelling Tools for Integrated Basin Management (Harmoni-CA)“, EVK1-2001-00192

Project participant in the EU-FP5 research project “Harmonizing Quality Assurance in Model Based Catchment and River Basin Management (HarmoniQuA)“, EVK1-2001-00071

  • He, X., Højberg, A.L., Jørgensen, F. & Refsgaard, J.C. 2015: Assessing hydrological model predictive uncertainty using stochastically generated geological models. Hydrological Processes 29(19), 4293-4311.
  • Seaby, L., Refsgaard, J.C., Sonnenborg, T.O. & Højberg, A.L. 2015: Spatial uncertainty in bias corrected climate change projections and hydrogeological impacts for Denmark. Hydrological Processes 64, 39-54.
  • Hutchings, N.J., Nielsen, O.-K., Dalgaard, T., Mikkelsen, M.H., Børgesen, C.D., Thomsen, M., Ellermann, T., Højberg, A.L., Mogensen, L. & Winther, M. 2014: A nitrogen budget for Denmark; developments between 1990 and 2010, and prospects for the future. Environmental Research Letters 9, 1-8.
  • Broholm, M.M., Rugge, K., Tuxen, N., Højberg, A.L., Mosbaek, H. & Bjerg, P.L. 2001: Fate of herbicides in a shallow aerobic aquifer: A continuous field injection experiment (Vejen, Denmark). Water Resources Research 37(12), 3163-3176.
  • Højberg, A.L., Troldborg, L., Stisen, S., Christensen, B.B.S. & Henriksen, H.J. 2013: Stakeholder driven update and improvement of a national water resources model. Environmental Modelling & Software 40, 202-213.
  • Stisen, S., Højberg, A.L., Troldborg, L., Refsgaard, J.C., Christensen, B.S B., Olsen, M. & Henriksen, H.J. 2012: On the importance of appropriate precipitation gauge catch correction for hydrological modelling at mid to high latitudes. Hydrology and Earth System Sciences 16, 4157-4176.
  • Seifert, D., Sonnenborg, T.O., Refsgaard, J.C., Højberg, A.L. & Troldborg, L. 2012: Assessment of hydrological model predictive ability given multiple conceptual geological models. Water Resources Research 48, ?.
  • Vangkilde-Pedersen, T., Ditlefsen, C. & Højberg, A.L. 2012: Shallow geothermal energy in Denmark. In: Bennike, O., Garde, A.A, & Watt, W.S.(eds): Review of Survey Activities 2011. Geological Survey of Denmark and Greenland Bulletin 26, 37-40.
  • Refsgaard, J.C., Christensen, S., Sonnenborg, T.O., Seifert, D., Højberg, A.L. & Troldborg, L. 2012: Review of strategies for handling geological uncertainty in groundwater flow and transport modelling. Advances in Water Resources 36, 36-50.
  • Thorling, L., Hansen, B., Langtofte, C., Brüsch, W., Møller, R.R., Mielby, S. & Højberg, A.L. 2011: Grundvand. Status og Udvikling 1989-2010 [Kun elektronisk udgave]. GEUS, 132 s.
  • Stisen, S., Sonnenborg, T.O., Højberg, A.L., Troldborg, L. & Refsgaard, J.C. 2011: Evaluation of climate input biases and water balance issues using a coupled surface-subsurface model. Vadose Zone Journal 10, 37-53.
  • Thorling, L., Hansen, B., Møller, R.R., Mielby, S., Langtofte, C., Brüsch, W. & Højberg, A.L. 2010: Grundvandsovervågning Status og udvikling 1989 - 2009. (Særudgivelse). GEUS, 116 s. +. + 37 s. Bilag.
  • Refsgaard, J.C., Højberg, A.L., Møller, I., Hansen, M. & Søndergaard, V. 2010: Groundwater Modeling in Integrated Water Resources Management - Visions for 2020. Ground Water 48(5), 633-648.
  • Thorling, L., Hansen, B., Langtofte, C., Brüsh, W., Møller, R.R., Iversen, C. & Lajer, A.H. 2010: Grundvand, Status og udvikling 1989-2008 (Særudgivelse). GEUS. 48 s.
  • Henriksen, H.J., Refsgaard, J.C., Højberg, A.L., Ferrand, N., Gijsbers, P. & Scholten, H. 2009: Harmonised principles for public participation in quality assurance of integrated water resources modelling. Water Resource Management 23, 2539 - 2554.
  • Thorling, L., Hansen, B.G., Møller, R.R., Iversen, C. Larsen, C.L., Brüsch, W., Højberg, A.L., Sørensen, B.L. & Sonnenborg, T. 2009: Grundvand- Status og udvikling 1989-2007, GEUS 2008. Special Publikation, 100 s. +. + 4 Bilag.
  • Nilsson, B., Engesgaard, P., Kidmose, J., Looms, M.C., Boldreel, L.O., Hansen, A.L. & Wodschow Hansen, A.L. 2009: Multidisciplinary approach to constrain often inaccurate estimates of groundwater fluxes to and from seepage lakes. HydroEco2009. 20-23 April, 2009. Vienna, Austria. IAH & BOKU. Abstract volume, 1 p.
  • Refsgaard, J.C., Jørgensen, L.F., Højberg, A.L., Demetriou, C., Onorati, G. & Brandt, G. 2008: Joint modelling and monitoring of aquatic ecosystems. In: Quevauviller, P., Borchers, U., Thompson, K.C. & Simonart, T. (eds): The Water Frame Directive - Ecological and chemical status monitoring. The Water Ouality Measurements Series, 166-180, John Wiley and Sons, Ltd.. European Commission. Brussels, Belgium.
  • Jørgensen, L.F., Refsgaard, J.C. & Højberg, A.L. 2008: From science to practice in implementing the European Union's Water Framework Directive. In: Bennike, O. & Higgins, A.K.(eds): Review of Survey activities 2007. Geological Survey of Denmark and Greenland Bulletin 15, 81-84.
  • Kristensen, M., Jørgensen, F., Højberg, A.L., Klint, K.E.S., Hansen, C., Jordt, B.E., Richardt, N. & Sandersen, P. 2008: Opstilling af geologiske modeller - fra datahåndtering til dokumentation. Geologisk Nyt 4, 8-11.
  • Jørgensen, F., Kristensen, M., Højberg, A.L., Klint, K.E.S., Hansen, C., Jordt, B.E., Richardt, N. & Sandersen, P. 2008: Opstilling af geologiske modeller til grundvandsmodellering. Geo-Vejledning 3. GEUS, 175 s.
  • Henriksen H.J. & Højberg, A. 2008: Model peer reviews and modeller-manager dialogues as an avenue for improved model credibility. In: Calibration and Reliability in Groundwater Modelling: Credibility and Modelling. IAHS Publication 320, 101-107.
  • Jørgensen, L.F., Refsgaard, J.C. & Højberg, A.L. 2008: Joint use of monitoring and modelling. Water Science & Technology 56(8), 21-29.
  • Jørgensen, L.F., Refsgaard, J.C. & Højberg A.L. 2007: Joint use of Monitoring and Modelling. WaterMatex - 7th International IWA Symposium on Systems Analysis and Integrated Assessment in Water Management. 7-9 May, 2007. Washington D.C., U.S.A.. International Water Association. Proceedings WATERMATEX 2007 [CD-Rom], 1 p.
  • Højberg, A.L., Refsgaard, J.C., van Geer, F., Jørgensen, L.F. & Zsuffa, I. 2007: Use of models to support the monitoring requirements in the Water Framework Directive. Water Ressources Management 21, 1649-1672.
  • Hinsby, K., Højberg, A.L., Engesgaard, P., Jensen, K.H., Larsen, F., Plummer, L.N. & Busenberg, E. 2007: Transport and degradation of chlorofluorocarbons (CFCs) in the pyritic Rabis Creek aquifer, Denmark [doi:10.1029/2006WR005854]. Water Resources Research 43, 1-15.
  • Henriksen, H.J., Troldborg, L., Højberg, A.L. & Refsgaard, J.C. 2008: Assessment of exploitable groundwater resources by use of ensamble resource indicators and numerical groundwater-surface water model [ publiceret on-line: doi:10.1016/j.jhydrol09.056]. Journal of Hydrology 348(2), 224-240.
  • Nilsson, B., Højbjerg, A.L., Refsgaard, J.C. & Troldborg, L. 2007: Uncertainty in geological and hydrogeological data. Hydrology and Earth System Sciences 11, 1551-1561.
  • Jørgensen, L.F., Refsgaard, J.C. & Højberg, A.L. 2007: The inadequacy of monitoring without modelling support. Journal of Environmental Monitoring 9, 931-942.
  • Refsgaard, J.C., van der Sluijs, J.P., Højberg, A.L. & Vanrolleghem, P.A. 2007: Uncertainty in the environmental modelling process - A framework and guidance. Environmental Modelling & Software 22, 1543-1556.
  • Højberg, A.L. & Refsgaard, J.C. 2005: Model uncertainty - parameter uncertainty versus conceptual models. Water Science & Technology 52(6), 177-186.
  • Højberg, A.L., Engesgaard, P. & Bjerg, P.L. 2005: Pesticide transport in an aerobic aquifer with variable pH - Modelling of a field scale injection experiment. Journal of Contaminant Hydrology 78(3), 231-255.
  • Engesgaard, P., Højberg, A.L., Hinsby, K., Jensen, K.H., Laier, T., Larsen, F., Busenberg, E. & Plummer, L.N. 2004: Transport and Time Lag of Chlorofluorocarbon Gases in the Unsaturated Zone, Rabis Creek, Denmark. Vadose Zone Journal 3, 1249-1261.
  • Projects
    Anker Lajer Højberg