Troels Norvin Vilhelmsen

  1. 2019
  2. Published

    Improved assessment of hydrological processes on catchment scale using a new towed groundbased TEM system. / Frederiksen, Rasmus Rumph; Vilhelmsen, Troels Norvin; Christiansen, Anders Vest; Auken, Esben.

    2019. Poster session presented at 10th International Groundwater Quality Conference (GW 2019), Liège, Belgium.

    Research output: Contribution to conferencePosterResearchpeer-review

  3. Published

    Combining clustering methods with MPS to estimate structural uncertainty for hydrological models. / Vilhelmsen, Troels Norvin; Auken, Esben; Christiansen, Anders Vest; Barfod, Adrian Sanchez; Marker, Pernille Aabye; Bauer-Gottwein, Peter.

    In: Frontiers in Earth Science, Vol. 7, 181, 07.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Data-Worth Assessment for a Three-Dimensional Optimal Design in Nonlinear Groundwater Systems. / Safi, Amir; Vilhelmsen, Troels Norvin; Alameddine , Ibrahim; Abou Najm , Majdi; El-Fadel , Mutasem.

    In: Ground Water, Vol. 57, No. 4, 07.2019, p. 612-631.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    An integrated modelling framework for nutrient management. / Frederiksen, Rasmus Rumph; Vilhelmsen, Troels Norvin; Christensen, Steen; Christiansen, Anders Vest; Hansen, Birgitte; Auken, Esben.

    2019. Abstract from 13th Annual Water Research Conference, København, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  6. Published

    A Regional Scale Hydrostratigraphy Generated from Geophysical Data of Varying Age, Type, and Quality. / Vilhelmsen, Troels; Marker, Pernille Aabye; Foged, Nikolaj; Wernberg, Thomas; Auken, Esben; Christiansen, Anders Vest; Bauer-Gottwein, Peter; Christensen, Steen; Hoyer, Anne-Sophie.

    In: Water Resources Management, Vol. 33, No. 2, 01.2019, p. 539-553.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. 2018
  8. Published

    Contributions to uncertainty related to hydrostratigraphic modeling using multiple-point statistics. / Barfod, Adrian A.S.; Vilhelmsen, Troels N.; Jørgensen, Flemming; Christiansen, Anders V.; Hyer, Anne Sophie; Straubhaar, Julien; Møller, Ingelise.

    In: Hydrology and Earth System Sciences, Vol. 22, No. 10, 24.10.2018, p. 5485-5508.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. Published

    Extending Data Worth Analyses to Select Multiple Observations Targeting Multiple Forecasts. / Vilhelmsen, Troels Norvin; Ferre, Ty Paul.

    In: Ground Water, Vol. 56, No. 3, 2018, p. 399-412.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  10. Published

    Gentænk grundvandsmodellering - nye metoder til effektiv modeludvikling. / Vilhelmsen, Troels Norvin; Christensen, Steen; Frederiksen, Rasmus Rumph; Auken, Esben; Christiansen, Anders Vest.

    2018. Abstract from ATV Vintermøde 2018, Bredsten, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  11. Published

    Geofysisk kortlægning af terrænnære strukturer og deres betydning for grundvandet. / Vilhelmsen, Troels Norvin; Christiansen, Anders Vest; Frederiksen, Rasmus Rumph; Christensen, Steen; Auken, Esben.

    2018. Abstract from Hydrologidag 2018, Odense, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  12. Published

    Quantification of subsurface structural uncertainty in groundwater models using 3D geophysical data. / Vilhelmsen, Troels Norvin; Auken, Esben; Christiansen, Anders Vest; Barfod, Adrian; Foged, Nikolaj; Pedersen, Jesper Bjergsted; Maurya, Pradip Kumar.

    2018. Abstract from Computational Methods in Water Resources 2018, Saint Malo, France.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  13. Published

    Quantifying Uncertainty in Subsurface Systems. / Scheidt, Celine; Lee, Lewis; Caers, Jef; Vilhelmsen, Troels Norvin; Maher, Kate; Da Silva, Carla; Hermans, Thomas ; Grujic, Ognjen; Park, Jihoon; Yang, Guang.

    Quantifying Uncertainty in Subsurface Systems. Wiley, 2018. p. 217-262.

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearchpeer-review

  14. Published

    Script based groundwater modelling for increased model flexibility and improved analysis. / Vilhelmsen, Troels Norvin; Christensen, Steen; Frederiksen, Rasmus Rumph; Auken, Esben; Fienen, Michael N.; Leaf, Andrew.

    2018. Abstract from 12th Annual Water Research Meeting of DWF, Lyngby, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  15. Published

    The Earth Resources Challenge. / Scheidt, Celine; Lee, Lewis; Caers, Jef; Vilhelmsen, Troels Norvin; Maher, Kate; Da Silva, Carla; Hermans, Thomas ; Grujic, Ognjen; Park, Jihoon; Yang, Guang.

    Quantifying Uncertainty in Subsurface Systems. Wiley, 2018. p. 1-27 (Geophysical Monograph Series).

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearchpeer-review

  16. 2017
  17. Published

    Successful Sampling Strategy Advances Laboratory Studies of NMR Logging in Unconsolidated Aquifers. / Behroozmand, Ahmad A.; Knight, Rosemary; Müller-Petke, Mike; Auken, Esben; Barfod, Adrian A.S.; Ferré, Ty P.A.; Vilhelmsen, Troels N.; Johnson, Carole D.; Christiansen, Anders V.

    In: Geophysical Research Letters, Vol. 44, No. 21, 16.11.2017, p. 11021-11029.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  18. Published

    Probabilistic predictions using a groundwater model informed with airborne EM data. / Marker, Pernille Aabye; Vilhelmsen, Troels Norvin; Foged, Nikolaj; Wernberg, Thomas; Auken, Esben; Bauer-Gottwein, Peter.

    In: Advances in Water Resources, Vol. 103, 05.2017, p. 86-98.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  19. 2016
  20. 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.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  21. Published

    30 years of geophysical data – one groundwater model. / Vilhelmsen, Troels Norvin; Christiansen, Anders Vest; Foged, N.; Marker, Pernille Aabye; Auken, Esben.

    2016. Abstract from 10'th annual meeting of DWF16, København , Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  22. Published

    Addressing Current Challenges on Groundwater Model Structure through Effective Use of Geophysical Data. / Vilhelmsen, Troels Norvin; Marker, Pernille Aabye; Foged, Nikolaj; Christiansen, Anders Vest; Auken, Esben; Bauer-Gottwein, Peter.

    2016. Abstract from 78th EAGE Conference & Exhibition 2016, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  23. Published

    Addressing structural uncertainty of groundwater model predictions with ensemble of automatically generated models from AEM geophysical data and borehole data. / Marker, Pernille Aabye; Vilhelmsen, Troels Norvin; Foged, N.; Auken, Esben; Bauer-Gottwein, Peter.

    2016. Abstract from 10'th annual meeting of DWF16, København , Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  24. 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.; Christiansen, JH; Christensen, Steen; Drews, M; Jensen, KH; Jørgensen, F; Jørgensen, LF; Larsen, MAD; SH, Rasmussen; Seaby, LP; Seifert, D; Vilhelmsen, Troels Norvin.

    In: Hydrological Sciences Journal, Vol. 61, No. 13, 2016, p. 2312-2324.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    Extending data worth methods to select multiple observations targeting specific hydrological predictions of interest. / Vilhelmsen, Troels Norvin; Ferré, Ty P A.

    2016. Abstract from European Geosciences Union General Assembly 2016, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  26. 2015
  27. Published

    Mere end struktur : moderne anvendelse af højopløselig airborne geofysik i hydrologiske modeller. / Vilhelmsen, Troels Norvin; Marker, Pernille; Foged, N.; Wernberg, Thomas; Høyer, Anne-Sophie; Bauer-Gottwein, Peter; Christensen, Steen; Auken, Esben.

    2015. Abstract from hydrologidag 2015, Odense, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  28. 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 conferenceConference abstract for conferenceResearchpeer-review

  29. 2014
  30. Published

    Incorporation of Magnetic Resonance Sounding data into groundwater model through coupled and joint inversion. / Vilhelmsen, Troels Norvin; Behroozmand, Ahmad A.; Christensen, Steen; Auken, Esben; Christiansen, Anders Vest.

    2014. Abstract from Danish Water Research and Innovation Platform (DWRIP) - 8th Anual Meeting ), Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  31. Published

    Joint inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad; Søltoft, Toke Højbjerg.

    In: Water Resources Research, Vol. 50, No. 5, 2014, p. 3956-3975.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  32. 2013
  33. Published

    A framework for joint inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Behroozmand, Ahmad; Christensen, Steen; Nielsen, Toke Højbjerg.

    2013. Abstract from MODFLOW and More 2013, Golden, CO, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  34. 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 conferencePosterResearch

  35. 2012
  36. Published

    Modeling groundwater flow in geological complex areas using local grid refinement, combined parameterization methods and joint inversion. / Vilhelmsen, Troels Norvin.

    Institut for Geoscience, Aarhus Universitet, 2012. 145 p.

    Research output: Book/anthology/dissertation/reportPh.D. thesis

  37. 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 newspaperJournal articleResearchpeer-review

  38. Published

    An efficient full coupled inversion of aquifer test, MRS and TEM data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad; Nielsen, Toke Højbjerg; Auken, Esben.

    2012. Abstract from Magnetic Resonance in the Subsurface, Hannover, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  39. 2011
  40. Published

    Coupled inversion of MRS and pumping test data. / Vilhelmsen, Troels Norvin; Christensen, Steen; Behroozmand, Ahmad; Nielsen, Mette Ryom.

    2011. Poster session presented at AGU Fall Meeting , San Francisco, United States.

    Research output: Contribution to conferencePosterResearch

  41. 2010
  42. 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 conferencePosterResearch

  43. 2009
  44. 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 conferencePosterResearch