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Steen Christensen

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  1. 2023
  2. Published
    N-Map: High-resolution groundwater N-retention mapping and modelling by integration of geophysical, geological, geochemical, and hydrological data. / Christiansen, Anders V.; Frederiksen, Rasmus R.; Vilhelmsen, Troels N. et al.
    In: Journal of Environmental Management, Vol. 343, 118126, 10.2023.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  3. 2020
  4. Published
    A hectare-scale decision tool for nitrate retention estimation by integration of geophysical, geological, geochemical and hydrological data. / Frederiksen, Rasmus Rumph; Christiansen, Anders Vest; Vilhelmsen, Troels Norvin et al.
    2020. Abstract from 14th Annual Conference of DWF 2020, Frederiksberg, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  5. 2019
  6. Published
    An integrated modelling framework for nutrient management. / Frederiksen, Rasmus Rumph; Vilhelmsen, Troels Norvin; Christensen, Steen et al.
    2019. Abstract from 13th Annual Water Research Conference, København, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  7. Published
    A Regional Scale Hydrostratigraphy Generated from Geophysical Data of Varying Age, Type, and Quality. / Vilhelmsen, Troels; Marker, Pernille Aabye; Foged, Nikolaj et al.
    In: Water Resources Management, Vol. 33, No. 2, 01.2019, p. 539-553.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  8. 2018
  9. Published
    Estimating groundwater discharge to a lowland alluvial stream using methods at point-, reach-, and catchment-scale. / Frederiksen, Rasmus Rumph; Christensen, Steen; Rasmussen, Keld Rømer.
    In: Journal of Hydrology, Vol. 564, 09.2018, p. 836-845.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  10. Published
    Model structural uncertainty quantification and hydrogeophysical data integration using airborne electromagnetic data. / Minsley, Burke; Christensen, Nikolaj Kruse; Christensen, Steen et al.
    2018. Poster session presented at AEM2018, Kolding, Denmark.

    Research output: Contribution to conference › Poster › Research

  11. Published
    Gentænk grundvandsmodellering - nye metoder til effektiv modeludvikling. / Vilhelmsen, Troels Norvin; Christensen, Steen; Frederiksen, Rasmus Rumph et al.
    2018. Abstract from ATV Vintermøde 2018, Bredsten, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  12. Published
    Geofysisk kortlægning af terrænnære strukturer og deres betydning for grundvandet. / Vilhelmsen, Troels Norvin; Christiansen, Anders Vest; Frederiksen, Rasmus Rumph et al.
    2018. Abstract from Hydrologidag 2018, Odense, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  13. In preparation
    Modelling surface-groundwater interaction and its spatiotemporal variability in a lowland alluvial catchment using a deterministic groundwater flow model. / Frederiksen, Rasmus Rumph; Christensen, Steen; Hunt, Randall J. et al.
    In: Journal of Hydrology, 2018.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  14. Published
    Script based groundwater modelling for increased model flexibility and improved analysis. / Vilhelmsen, Troels Norvin; Christensen, Steen; Frederiksen, Rasmus Rumph et al.
    2018. Abstract from 12th Annual Water Research Meeting of DWF, Lyngby, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  15. 2017
  16. Published
    A direct comparison of EMI data and borehole data on a 1000 ha data set. / Frederiksen, Rasmus Rumph; Christiansen, Anders Vest; Christensen, Steen et al.
    In: Geoderma, Vol. 303, 01.10.2017, p. 188–195.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  17. Published
    Voxel inversion of airborne electromagnetic data for improved groundwater model construction and prediction accuracy. / Christensen, Nikolaj Kruse; Ferre, Ty; Fiandaca, Gianluca et al.
    In: Hydrology and Earth System Sciences, Vol. 21, No. 2, 02.03.2017, p. 1321-1337.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  18. Published
    Generation of 3-D hydrostratigraphic zones from dense airborne electromagnetic data to assess groundwater model prediction error. / Christensen, Nikolaj Kruse; Minsley, B. J.; Christensen, Steen.
    In: Water Resources Research, Vol. 53, No. 2, 02.2017, p. 1019-1038.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  19. Published
    Methods to correct and compute confidence and prediction intervals of models neglecting sub-parameterization heterogeneity – From the ideal toward practice. / Christensen, Steen.
    In: Advances in Water Resources, Vol. 100, No. Februar, 2017, p. 109-125.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  20. Published
    Model structural uncertainty quantification and hydrologic parameter and prediction error analysis using airborne electromagnetic data. / Minsley, B. J.; Christensen, Nikolaj Kruse; Christensen, Steen et al.
    2017. Abstract from SAGEEP 2017, Denver, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research

  21. Published
    Quantifying and understanding runoff to an agricultural stream using geophysical, hydraulic and numerical methods. / Frederiksen, Rasmus Rumph; Rasmussen, Keld Rømer; Christensen, Steen.
    2017. Abstract from 11th Annual DWF Meeting, Copenhagen, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  22. 2016
  23. Published
    Model validation: Testing models using data and sensitivity analysis. / Hill, Mary C.; Foglia, Laura; Christensen, Steen et al.
    The Handbook of Groundwater Engineering: Third Edition. ed. / John H. Cushman; Daniel M. Tartakovsky. 3. ed. CRC Press, Taylor & Francis Group, 2016. p. 597-623.

    Research output: Contribution to book/anthology/report/proceeding › Book chapter › Education › peer-review

  24. Published
    On determining uncertainties of magnetic resonance sounding estimated transmissivities for groundwater modeling. / Vilhelmsen, Troels Norvin; Christensen, Steen; Auken, Esben.
    In: Geophysics, Vol. 81, No. 4, 07.2016, p. WB63-WB73.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  25. Published
    A numerical simulation study on the long-term performance of a ground source heat pump system. / Madsen, Tillie Marlene; Christensen, Steen; Poulsen, Søren Erbs et al.
    2016. p. 1-13.

    Research output: Working paper/Preprint › Working paper › Research

  26. Published
    Performance evaluation of a solar assisted ground source heat pump system based on inclined borehole heat exchangers. / Madsen, Tillie Marlene; Christensen, Steen; Sørensen, Inga.
    2016. p. 1-16.

    Research output: Working paper/Preprint › Working paper › Research

  27. Published
    The hydrogeological impact on the performance of borehole heat exchangers. / Madsen, Tillie Marlene; Christensen, Steen.
    2016. p. 1-12.

    Research output: Working paper/Preprint › Working paper › Research

  28. Published
    Testing alternative uses of electromagnetic data to reduce the prediction error of groundwater models. / Christensen, Nikolaj Kruse; Christensen, Steen; Ferre, Ty.
    In: Hydrology and Earth System Sciences, Vol. 20, No. 5, 13.05.2016, p. 1925-1946.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  29. Published
    From innovation to commercial market – understanding technological innovation systems. / Madsen, Tillie Marlene; Christensen, Steen.
    2016. Abstract from 2nd Yound Water Professionals Denmark Conference and Workshop, Aarhus, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  30. Published
    Climate change impacts on groundwater hydrology – where are the main uncertainties and can they be reduced? / Refsgaard, Jens-Christian; Sonnenborg, Torben O.; Butts, Michael B. et al.
    In: Hydrological Sciences Journal, Vol. 61, No. 13, 2016, p. 2312-2324.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  31. Published
    Delineation of tunnel valleys across the North Sea coastline, Denmark based on reflection seismic data, boreholes, TEM and Schlumberger soundings. / Andersen, Theis Raaschou; Jørdensen, Flemming; Christensen, Steen.
    2016. Paper presented at ASEG-PESA-AIG 2016 - 25th International Geophysical Conference and Exhibition, Adelaide, Australia.

    Research output: Contribution to conference › Paper › Research

  32. Published
    Predicting tile drainage discharge. / Iversen, Bo Vangsø; Kjærgaard, Charlotte; Petersen, Rasmus Jes et al.
    2016. Abstract from ASA, CSSA, SSSA 2016 Annual Meeting, Arizona, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research

  33. 2015
  34. Published
    Characterisation and quantification of groundwater-surface water interactions along an alluvial stream using geophysical, hydraulic and tracer methods. / Frederiksen, Rasmus Rumph; Rasmussen, Keld Rømer; Christensen, Steen.
    2015. Poster session presented at AGU Fall Meeting 2015, San Fransisco, United States.

    Research output: Contribution to conference › Poster › Research

  35. Published
    Model structural uncertainty quantification and hydrogeophysical data integration using airborne electromagnetic data (Invited). / Minsley, Burke; Christensen, Nikolaj Kruse; Christensen, Steen et al.
    2015. Abstract from AGU Fall Meeting, San Francisco, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  36. Published
    The effect of thermal depletion on the performance of a ground source heat pump system. / Madsen, Tillie M.; Christensen, Steen; Poulsen, Søren E. et al.
    2015. Paper presented at AquaConSoil, Copenhagen, Denmark.

    Research output: Contribution to conference › Paper › Research

  37. Published
    The effect of thermal depletion on the performance of a ground source heat pump system. / Madsen, Tillie Marlene; Christensen, Steen; Poulsen, Søren Erbs et al.
    2015. Poster session presented at AquaConSoil, Copenhagen, Denmark.

    Research output: Contribution to conference › Poster › Research

  38. Published
    Analysis of impact of heat extraction from soil with low thermal conductivity. / Madsen, Tillie Marlene; Christensen, Steen; Poulsen, Søren Erbs et al.
    2015. Paper presented at 1st Workshop of Numerical Geothermal Simulation, Germany, 8.-9. April 2015., Germany.

    Research output: Contribution to conference › Paper › Research

  39. Published
    Analyse af varmelagringens betydning for effektiviteten af jordvarmeboringer. / Madsen, Tillie Marlene; Christensen, Steen; Poulsen, Søren E. et al.
    2015. Abstract from ATV Vintermøde 2015, Vingsted, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  40. Published
    A MODFLOW Infiltration Device Package for Simulating Storm Water Infiltration. / Jeppesen, Jan; Christensen, Steen.
    In: Ground Water, Vol. 53, No. 4, 2015, p. 542-549.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  41. Published
    Mere end struktur: moderne anvendelse af højopløselig airborne geofysik i hydrologiske modeller. / Vilhelmsen, Troels Norvin; Marker, Pernille; Foged, N. et al.
    2015. Abstract from hydrologidag 2015, Odense, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  42. Published
    On determining uncertainties of MRS estimated transmissivities. / Vilhelmsen, Troels Norvin; Christensen, Steen; Auken, Esben.
    2015. Abstract from The 6th International Workshop on Magnetic Resonance, Aarhus , Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  43. 2014
  44. Published
    A sequential hydrogeophysical approach to quantify model structural uncertainty. / Minsley, Burke J.; Christensen, Steen; Christensen, Nikolaj Kruse.
    2014. Poster session presented at AGU Fall Meeting 2014, San Franciso, California, United States.

    Research output: Contribution to conference › Poster › Research

  45. Published
    Modelling Tile Drainage Discharge Using a Linear Reservoir Model. / Iversen, Bo Vangsø; Petersen, J.P.; Christensen, Steen et al.
    2014. Poster session presented at ASA, CSSA, & SSSA International Annual Meeting, Long Beach, California, United States.

    Research output: Contribution to conference › Poster › Research

  46. Published
    Rainfall-runoff mechanisms on a hill-island. / Frederiksen, Rasmus Rumph; Rasmussen, Keld Rømer; Christensen, Steen.
    2014. Poster session presented at TERENO International Conference 2014, Bonn, Germany.

    Research output: Contribution to conference › Poster › Research

  47. Published
    Testing how geophysics can reduce the uncertainty of groundwater model predictions. / Christensen, Nikolaj Kruse; Christensen, Steen; Ferre, Ty.
    In: Geophysical Research Abstracts, Vol. 16, EGU2014-9602, 29.04.2014.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research

  48. Published
    Hydro-geofysisk "Testbench". / Christensen, Nikolaj Kruse; Christensen, Steen; Ferre, Ty.
    2014. Abstract from ATV Vintermøde om Forurenet Jord og Grundvand, Vingsted, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  49. Published
    Afvanding via dræn og betydning i forhold til målrettet regulering. / Iversen, Bo Vangsø; Kjærgaard, Charlotte; Rasmussen, Keld Rømer et al.
    Plantekongres 2014: Sammendrag af indlæg. 2014. p. 364-365.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Communication

  50. Published
    Incorporation of Magnetic Resonance Sounding data into groundwater model through coupled and joint inversion. / Vilhelmsen, Troels Norvin; Behroozmand, Ahmad A.; Christensen, Steen et al.
    2014. Abstract from Danish Water Research and Innovation Platform (DWRIP) - 8th Anual Meeting ), Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  51. Published
    Integrating geophysics and hydrology for reducing the uncertainty of groundwater model predictions and improved prediction performance. / Christensen, Nikolaj Kruse; Christensen, Steen; Ferre, Ty.
    2014. Abstract from AGU Fall Meeting, San Francisco, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  52. Published
    Joint inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad et al.
    In: Water Resources Research, Vol. 50, No. 5, 2014, p. 3956-3975.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  53. Published
    Surface water and groundwater interaction on a hill island. / Frederiksen, Rasmus Rumph; Rasmussen, Keld Rømer; Christensen, Steen.
    2014. Poster session presented at EGU General Assembly 2014, Vienna, Austria.

    Research output: Contribution to conference › Poster › Research

  54. 2013
  55. Published
    Parameter and Predictive Outcomes of Model Simplification. / Watson, Ty A. ; Doherty, John E.; Christensen, Steen.
    In: Water Resources Research, Vol. 49, No. 7, 08.07.2013, p. 3952-3977.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  56. Published
    A synthetic study of geophysics-based modelling of groundwater flow in catchments with a buried valley. / Andersen, Theis Raaschou; Poulsen, Søren Erbs; Christensen, Steen et al.
    In: Hydrogeology Journal, Vol. 21, No. 2, 01.03.2013, p. 491-503.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  57. Published
    A framework for joint inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Behroozmand, Ahmad; Christensen, Steen et al.
    2013. Abstract from MODFLOW and More 2013, Golden, CO, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research

  58. Published
    Testing the importance of numerical resolution for calibration and prediction when modeling aquifer systems located in buried valleys. / Vilhelmsen, Troels Norvin; Christensen, Steen; Doherty, John.
    2013. Poster session presented at MODFLOW and More 2013, Golden, CO, United States.

    Research output: Contribution to conference › Poster › Research

  59. 2012
  60. Published
    Seismic investigations of buried tunnel valleys on- and offshore Denmark. / Andersen, Theis Raaschou; Huuse, Mads; Jørgensen, Flemming et al.
    In: Geological Society, London, Special Publications, Vol. 368, 02.05.2012, p. 129-144.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  61. Published
    Review of strategies for handling geological uncertainty in groundwater flow and transport modeling. / Refsgaard, Jens Christian; Christensen, Steen; Sonnenborg, Torben O. et al.
    In: Advances in Water Resources, Vol. 36, 02.2012, p. 36–50.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  62. Published
    Evaluation of MODFLOW-LGR in Connection with a Synthetic Regional-Scale Model. / Vilhelmsen, Troels Norvin; Christensen, Steen; Mehl, Steffen .
    In: Ground Water, Vol. 50, No. 1, 01.01.2012, p. 118-132.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  63. Published
    An efficient full coupled inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad et al.
    2012. Abstract from Magnetic Resonance in the Subsurface, Hannover, Germany.

    Research output: Contribution to conference › Conference abstract for conference › Research

  64. 2011
  65. Published
    Use of Paired Simple and Complex Models to Reduce Predictive Bias and Quantify Uncertainty. / Doherty, John; Christensen, Steen.
    In: Water Resources Research, Vol. 47, 28.12.2011, p. W12534.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  66. Published
    TO WHAT EXTENT DOES THE DEGREE OF MEANINGFUL MODEL COMPLEXITY DEPEND ON OBSERVATION DATA? GSA Abstract #191148 / Paper No. 140-2. / Brunner, Philip; Doherty, John; Christensen, Steen et al.
    2011. Abstract from GSA 2011 Annual Meeting in Minneapolis (9–12 October 2011), Minneapolis, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research

  67. Published
    Coupled inversion of MRS and pumping test data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad et al.
    2011. Poster session presented at AGU Fall Meeting , San Francisco, United States.

    Research output: Contribution to conference › Poster › Research

  68. Published
    Modeling the historical water cycle of the Copenhagen Area 1850-2003. / Jeppesen, Jan; Christensen, Steen; Ladekarl, Ulla Lyngs.
    In: Journal of Hydrology, Vol. 404, No. 3-4, 11.07.2011, p. 117-129.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  69. Published
    The interaction between the unsaturated zone, aquifer, and stream during a period of groundwater withdrawal. / Poulsen, Søren Erbs; Christensen, Steen; Rasmussen, Keld Rømer.
    In: Journal of Hydrology, Vol. 396, No. 1-2, 05.01.2011, p. 49-60.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  70. Published
    Dynamiske og stationære oplandsberegninger udført med tre semi-syntetiske modeller: Delprojekt 2 om oplande. / Iversen, Claus Holst; Troldborg, Lars; Møller, Rasmus Rønde et al.
    De Nationale Geologiske Undersøgelser for Danmark og Grønland – GEUS, 2011. 88 p.

    Research output: Book/anthology/dissertation/report › Report › Research

  71. Published
    Simulation of groundwater flow and salt transport in a shallow microtidal barrier aquifer during a storm surge. / Poulsen, Søren Erbs; Christensen, Steen; Rasmussen, Keld Rømer et al.
    Conceptual and Modelling Studies of Integrated Groundwater, Surface Water, and Ecological Systems. ed. / Corinna Abesser; Gunnar Nützmann; Mary C. Hill; Günter Blöschl; Elango Lakshmanan. Vol. IAHS Publication; 345 Wallingford, Oxforshire OX10 8BB, UK: IAHS Press, 2011. p. 55-61 (IAHS Publication).

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  72. 2010
  73. Published
    Et værktøj til hydrologisk modellering af LAR. / Jeppesen, Jan; Christensen, Steen.
    In: Vand og Jord, Vol. 17, No. 4, 01.12.2010.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Communication

  74. Published
    Evaluating the salinity distribution of a shallow coastal aquifer by vertical multielectrode profiling (Denmark). / Poulsen, Søren Erbs; Rasmussen, Keld Rømer; Christensen, Niels Bøie et al.
    In: Hydrogeology Journal, Vol. 18, No. 1, 01.02.2010, p. 161-171.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  75. Published
    Høfde 42: Hydrauliske beregninger vedrørende oprensning af et forsøgsvolumen. / Poulsen, Søren Erbs; Christensen, Steen.
    Århus: Geologisk Institut, Aarhus Universitet, 2010. 83 p.

    Research output: Book/anthology/dissertation/report › Report › Communication

  76. Published
    On the use of analytical solutions to design pumping tests in leaky aquifers connected to a stream. / Christensen, Steen; Zlotnik, Vitaly A.; Tartakovsky, Daniel M.
    In: Journal of Hydrology, Vol. 381, No. 3-4, 2010, p. 341-351.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  77. Published
    Test af to versioner af Modflow-LGR til simulering af grundvandsstrømninger i områder med begravede dale – syntetisk studie. / Vilhelmsen, Troels Norvin; Christensen, Steen.
    2010. Poster session presented at ATV - Vintermøde 2010, Vejle, Denmark.

    Research output: Contribution to conference › Poster › Research

  78. Published
    The hydrological possibilities and consequences of using sustainable urban drainage systems in Copenhagen. / Jeppesen, Jan; Christensen, Steen.
    2010. Abstract from 4th Annual meeting of the Danish Water Research Platform, Copenhagen, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  79. 2009
  80. Published
    Groundwater flow and recharge in complex tunnel valley systems. / Andersen, Theis Raaschou; Christensen, Steen; Jørgensen, Flemming.
    2009. Abstract from Glaciogenic Reservoirs and Hydrocarbon Systems, London, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  81. Published
    Mapping and modeling buried tunnel valleys. / Andersen, Theis Raaschou; Jørgensen, Flemming; Sandersen, B. E, Peter et al.
    2009. Poster session presented at 2009 Joint Assembly, Toronto, Canada.

    Research output: Contribution to conference › Poster › Research

  82. Published
    Modelling of the urban water cycle and the consequences of massive rain runoff infiltration for Copenhagen. / Jeppesen, Jan; Christensen, Steen.
    In: I A H S Proceedings and Reports, Vol. 330, 2009, p. 34-41.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  83. Published
    Optimal design of pumping tests in leaky aquifiers for stream depletion analysis. / Christensen, Steen; Zlotnik, Vitaly A.; Tartakovsky, Daniel M.
    In: Journal of Hydrology, Vol. 375, No. 3-4, 2009, p. 554-565.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  84. Published
    Testing MODFLOW-LGR for simulating flow around Buried Quaternary valleys - synthetic test cases. / Vilhelmsen, Troels Norvin; Christensen, Steen.
    2009. Poster session presented at 2009 AGU Fall Meeting, San Francisco, Calif., United States.

    Research output: Contribution to conference › Poster › Research

  85. Published
    Urban versus climatic impacts on the water cycle of the Copenhagen area 1850-2003. / Jeppesen, Jan; Christensen, Steen.
    2009. Abstract from 3rd annual meeting of the Danish Water Research Platform, GEUS, Copenhagen, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  86. Published
    Use of an integrated model to simulate the urban water cycle and consequences of massive storm water infiltration. / Jeppesen, Jan; Christensen, Steen.
    2009. Poster session presented at The 11th Nordic Wastewater Conference, Odense, Denmark.

    Research output: Contribution to conference › Poster › Research

  87. 2008
  88. Published
    A comparison of onshore and offshore buried tunnel valleys along the Danish North Sea coastline. / Andersen, Theis Raaschou; Jørgensen, Flemming; Christensen, Steen.
    2008. Poster session presented at The 33rd International Geological Congress, Oslo, Norway.

    Research output: Contribution to conference › Poster › Research

  89. Published
    An Investigation of Groundwater Flow on a Coastal Barrier using Multi Electrode Profiling. / Poulsen, Søren Erbs; Christensen, Steen; Rasmussen, Keld Rømer et al.
    SWIM - 20th Salt Water Intrusion Meeting, Program and Proceedings. 2008. p. 209-212.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  90. Published
    An investigation of the interaction between the unsaturated zone, aquifer, and stream during a period of groundwater abstraction. / Poulsen, Søren Erbs; Christensen, Steen; Rasmussen, Keld Rømer.
    2008. Poster session presented at ModelCARE’2007 , Int. Conf. on Calibration and Reliability in Groundwater Modelling – Credibility in Modelling, København, Denmark.

    Research output: Contribution to conference › Poster › Research

  91. Published
    Conceptual model for simulating the water cycle of the Copenhagen area, Denmark. / Jeppesen, Jan; Christensen, Steen; Ladekarl, Ulla Lyngs.
    MODFLOW and More 2008: Ground Water and Public Policy - Conference Proceedings. ed. / Eileen Poeter; Mary Hill; Chunmiao Zheng. INTERNATIONAL GROUND WATER MODELING CENTER (IGWMC), 2008. p. 120-124.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  92. Published
    Predictive error dependencies when using pilot points and singular value decomposition in groundwater model calibration. / Christensen, Steen; Doherty, John.
    In: Advances in Water Resources, Vol. 31, No. 4, 2008, p. 674-700.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  93. Published
    Simulation of the historical development of the water cycle of the Copenhagen area, Denmark: Abstract Number EGU2008-A-05371. / Jeppesen, Jan; Christensen, Steen; Ladekarl, Ulla Lyngs.
    2008. Abstract from European Geosciences Union General Assembly 2008, Wien, Austria.

    Research output: Contribution to conference › Conference abstract for conference › Research

  94. Published
    Using many pilot points and singular value decomposition in groundwater model calibration. / Christensen, Steen; Doherty, John.
    Calibration and Reliability in Groundwater Modelling: Credibility in modelling: Proc. ModelCARE'2007 (Copenhagen, September 2007). ed. / J.C. Refsgaard; K. Kovar; E. Haarder; E. Nygaard. Vol. IAHS Publication 320 IAHS Press, 2008. p. 235-239 (IAHS Publication, Vol. 320).

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  95. Published
    Using many pilot points and singular value decomposition in groundwater model calibration. / Christensen, Steen; Doherty, John.
    ModelCARE’2007 , nt. Conf. on Calibration and Reliability in Groundwater Modelling – Credibility in Modelling: Pre-published proceedings. ed. / Jens Christian Refsgaard; Erik Nygaard. Vol. 2 GEUS, 2008. p. 448-453.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

  96. 2007
  97. Published
    Use of a regional model to simulate the historical water cycle of the Copenhagen Area 1850-2003. / Jeppesen, Jan; Christensen, Steen; Ladekarl, Ulla Lyngs.
    2007. Poster session presented at ModelCARE’2007 , Int. Conf. on Calibration and Reliability in Groundwater Modelling – Credibility in Modelling, København, Denmark.

    Research output: Contribution to conference › Poster › Research

  98. 2006
  99. Published
    Bias and Uncertainty in Regression-Calibrated Models of Groundwater Flow in Heterogeneous Media. / Cooley, R.L.; Christensen, Steen.
    In: Advances in Water Resources, Vol. 29, No. 5, 2006, p. 639-656.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  100. Published
    Comparison of stochastic and regression based methods for quantification of predictive uncertainty of model-simulated wellhead protection zones in heterogeneous aquifers. / Christensen, Steen; Moore, C.; Doherty, J.
    Calibration and Reliability in Groundwater Modelling: From Uncertainty to Decision Making: Proceedings of ModelCARE’2005, The Hague, The Netherlands, June 2005. IAHS Publ. 304. ed. / M.F.P Bierkens; J.C. Gehrels; K. Kovar. Vol. IAHS Publ. 304 IAHS Press, 2006. p. 202-208.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  101. Published
    Quantification and regionalization of groundwater-surface water interaction along an alluvial stream. / Langhoff, Jesper Heidemann; Rasmussen, Keld Rømer; Christensen, Steen.
    In: Journal of Hydrology, Vol. 320, No. 3-4, 2006, p. 342-358.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  102. 2005
  103. Published
    Comment on "Senisitivity analysis and determination of streambed leakance and aquifer hydraulic properties" by X. Chen and X. Chen. / Christensen, Steen.
    In: Journal of Hydrology, Vol. 303, No. 1-4, 2005, p. 316-321.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  104. Published
    Groundwater recharge and evapotranspiration for two natural ecosystems covered with oak and heather. / Ladekarl, U.L.; Rasmussen, Keld Rømer; Christensen, Steen et al.
    In: Journal of Hydrology, Vol. 300, No. 1-4, 2005, p. 76-99.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  105. Published
    Kan sårbarhedskortlægningens datagrundlag og brug af modeller forbedres? / Christensen, Steen.
    Hvordan bruger vi modeller?. ATV Jord og Grundvand, 2005. p. 103-112.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

  106. Published
    UCODE_2005 and Six Other Computer Codes for Universal Sensitivity Analysis, Calibration, and Uncertainty Evaluation: U.S. Geological Survey Techniques and Methods 6-A11. / Poeter, E.P.; Hill, M.C.; Banta, E.R. et al.
    Reston, Virginia, USA: U.S.Geological Survey, 2005. 283 p.

    Research output: Book/anthology/dissertation/report › Report › Research

  107. Published
    Vand på jorden. / Christensen, Steen; Rasmussen, Keld Rømer.
    Viden om vand. Århus: Aarhus Universitetsforlag, 2005. p. 73-92.

    Research output: Contribution to book/anthology/report/proceeding › Book chapter › Education

  108. 2004
  109. Published
    A synthetic groundwater modelling study of the accuracy of GLUE uncertainty intervals. / Christensen, S.
    In: Hydrology Research, Vol. 35, No. 1, 2004, p. 45-59.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  110. Published
    Groundwater/surface water interaction - a Danish typological approach. / Nilsson, B.; Dahl, M.; Langhoff, J.H. et al.
    2004. Abstract from Nice, France, April.

    Research output: Contribution to conference › Conference abstract for conference › Research

  111. Published
    User guide to the UNC1NLI1 package and three utility programs for computation of nonlinear confidence and prediction intervals using MODFLOW-2000. / Christensen, Steen; Cooley, R.L.
    Reston, Virginia, USA: U.S.Geological Survey, 2004. 193 p.

    Research output: Book/anthology/dissertation/report › Report › Research

  112. Published
    Videreudvikling af ådalstypologi - Grundvand-Overfladevand Interaktion (GOI). / Dahl, M.; Langhoff, Jesper Heidemann; Kronvang, B. et al.
    nr. 16 ed. Arbejdsrapport fra Miljøstyrelsen, 2004.

    Research output: Book/anthology/dissertation/report › Report › Research

  113. 2003
  114. Published
    A synthetic groundwater modelling study of the accuracy of GLUE uncertainty intervals. / Christensen, S.
    2003. Abstract from 27th General Assembly of EGS in Nice, France.

    Research output: Contribution to conference › Conference abstract for conference › Research

  115. Published
    Estimation of stream flow depletion and uncertainty from discharge measurements in a small alluvial stream. / Nyholm, T.; Rasmussen, K.R.; Christensen, S.
    In: Journal of Hydrology, Vol. 274, 2003, p. 129-144.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  116. Published
    Experiences gained in testing a theory for modelling groundwater flow in heterogeneous media. / Christensen, S.; Cooley, R.L.
    2003. Paper presented at Prague, June 2002.

    Research output: Contribution to conference › Paper › Research

  117. Published
    Experiences gained in testing a theory for modelling groundwater flow in heterogeneous media. / Christensen, Steen; R.L., Cooley.
    Calibration and Reliability in Groundwater Modelling: A Few Steps Closer to Reality: Proceedings of ModelCARE'2002, Prague, June 2002. ed. / K. Kovar; Z. Hrkal. Vol. IAHS Publ. no. 277 IAHS Press, 2003. p. 22-27.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  118. Published
    Grundvand - Overfladevand Interaktion (GOI). En metode til klassificering af ådale i typeområder: Arbejdsrapport fra Miljøstyrelsen nr. 10. / Nilsson, B.; Refsgaard, J.C.; Dahl, M. et al.
    Miljøstyrelsen, 2003.

    Research output: Book/anthology/dissertation/report › Report › Communication

  119. Published
    Including geophysical data in groundwater model inverse calibration. / Dam, D.; Christensen, S.
    In: Ground Water, Vol. 41, No. 2, 2003, p. 178-189.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

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