Lars Nielsen

Lars Nielsen

Professor

  • Geology

    Øster Voldgade 10, 1350 København K, 03, Building: 03.1.361

    Phone: +45 35 32 24 54Mobile: +45 24 42 47 06Fax: +45 33 14 83 22

  1. 2020
  2. Published

    Data-driven source wavelets for crosshole ground-penetrating radar full-waveform modeling

    Svendsen, Espen Bing, Nielsen, Lars, Nilsson, B., Kjær, Kurt H. & Looms, M. C., 11 Nov 2020, p. 392-395. 4 p.

    Research output: Contribution to conferencePaperResearchpeer-review

  3. Published

    On the usage of diffractions in ground-penetrating radar reflection data: Implications for time-lapse gas migration monitoring

    Yuan, Hemin, Zibar, Majken Caroline Looms & Nielsen, Lars, 1 Sep 2020, In : Geophysics. 85, 5, p. H83-H95 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Geophysics for urban mining and the first surveys in Denmark: rationale, field activity and preliminary results

    Sandrin, A., Maricak, A., Heincke, B. H., Clausen, R. J., Nielsen, Lars & Keiding, J. K., 2020, In : Geological Survey of Denmark and Greenland (GEUS) Bulletin. 44, 6 p., 5240.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Improved seismic interpretation of a salt diapir by utilization of diffractions, exemplified by 2D reflection seismics, Danish sector of the North Sea

    Montazeri, M., Boldreel, Lars Ole, Uldall, A. & Nielsen, Lars, 2020, In : Interpretation. 8, 1, p. T77-T88 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 2019
  7. Published

    Deep onshore reflection seismic imaging of the chalk group strata using a 45 kg accelerated weight-drop and combined recording systems with dense receiver spacing

    Kammann, J., Malehmir, A., Brodic, B., Tagliavento, M., Stemmerik, L., Normark, E., Lykke-Andersen, H. & Nielsen, Lars, 2019, In : Geophysics. 84, 4, p. B259-B268 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Diffraction imaging of ground-penetrating radar data

    Yuan, Hemin, Montazeri, M., Zibar, Majken Caroline Looms & Nielsen, Lars, 2019, In : Geophysics. 84, 3, p. H1-H12 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Luminescence dating of buried cobble surfaces from sandy beach ridges: a case study from Denmark

    Souza, P. E., Sohbati, R., Murray, A. S., Kroon, Aart, Clemmensen, Lars B, Hede, M. U. & Nielsen, Lars, 2019, In : Boreas. 48, 4, p. 841-855 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Morphodynamics of an abandoned delta lobe in NE Greenland

    Kroon, Aart, Bendixen, Mette, Nielsen, Lars & Sigsgaard, Charlotte, 2019, Proceedings of Coastal Sediments 2019. Wang, P., Rosati, J. D. & Vallee, M. (eds.). World Scientific, p. 2908-2917

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  11. 2018
  12. Published

    Beach-ridge architecture constrained by beach topography and Ground-Penetrating Radar, Itilleq (Lakse Bugt), Disko, Greenland – Implications for sea-level reconstructions.

    Emerich Souza, P., Kroon, Aart & Nielsen, Lars, 2018, In : Bulletin of the Geological Society of Denmark. 66, p. 167-179 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Beach-ridge architecture constrained by beach topography and ground-penetrating radar, Itilleq (Laksebugt), south-west Disko, Greenland - implications for sea-level reconstructions

    Souza, P. E., Kroon, Aart & Nielsen, Lars, 2018, In : Bulletin of the Geological Society of Denmark. 66, p. 167-179 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published
  15. Published

    Mapping sand layers in clayey till using crosshole ground-penetrating radar

    Zibar, Majken Caroline Looms, Klotzsche, A., van der Kruk, J., Larsen, T. H., Edsen, A., Tuxen, N., Hamburger, N., Keskinen, Johanna & Nielsen, Lars, 2018, In : Geophysics. 83, 1, p. A21-A26 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Pitfalls in velocity analysis for strongly contrasting, layered media - Example from the Chalk Group, North Sea

    Montazeri, M., Uldall, A., Moreau, J. & Nielsen, Lars, 2018, In : Journal of Applied Geophysics. 149, p. 52-62 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Sedimentary architecture and depositional controls of a Holocene wave-dominated barrier-island system

    Fruergaard, Mikkel, Johannessen, P. N., Nielsen, L. H., Nielsen, Lars, Møller, I., Andersen, Thorbjørn Joest, Piasecki, Stefan & Pejrup, Morten, 2018, In : Sedimentology. 65, 4, p. 1170-1212 43 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 2017
  19. Published

    Full-waveform inversion of Crosshole GPR data: implications for porosity estimation in chalk

    Keskinen, Johanna, Klotzsche, A., Zibar, Majken Caroline Looms, Moreau, J., van der Kruk, J., Holliger, K., Stemmerik, L. & Nielsen, Lars, May 2017, In : Journal of Applied Geophysics. 140, p. 102-116 15 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Advances in Geophysics [volume 58]

    Nielsen, Lars (ed.), 2017, Cambridge, MA: Academic Press. 106 p.

    Research output: Book/ReportAnthologyResearchpeer-review

  21. Published

    Sea-level proxies in Holocene raised beach ridge deposits (Greenland) revealed by ground-penetrating radar

    Nielsen, Lars, Bendixen, Mette, Kroon, Aart, Hede, M. U., Clemmensen, Lars B, Weβling, R. & Elberling, Bo, 2017, In : Scientific Reports. 7, 8 p., 46460 .

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. 2016
  23. Published

    Early diagenetic evolution of Chalk in eastern Denmark

    Moreau, J., Boussaha, M., Nielsen, Lars, Thibault, Nicolas Rudolph, Ullmann, C. V. & Stemmerik, L., Dec 2016, In : The Depositional Record. 2, 2, p. 154-172 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    High-resolution shear-wave seismics across the Carlsberg Fault zone south of Copenhagen: Implications for linking Mesozoic and late Pleistocene structures

    Kammann, J., Huebscher, C., Boldreel, Lars Ole & Nielsen, Lars, 6 Jul 2016, In : Tectonophysics. 682, p. 56-64

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Coastal lagoons and beach ridges as complementary sedimentary archives for the reconstruction of Holocene relative sea-level changes

    Sander, Lasse, Hede, M. U., Fruergaard, Mikkel, Nielsen, Lars, Clemmensen, Lars B, Kroon, Aart, Johannessen, P. N., Nielsen, L. H. & Pejrup, Morten, Feb 2016, In : Terra Nova. 28, 1, p. 43-49

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Advances in Geophysics [volume 57]

    Nielsen, Lars (ed.), 2016, Academic Press. 218 p.

    Research output: Book/ReportAnthologyResearchpeer-review

  27. Published

    Continuous record of Holocene sea-level changes and coastal development of the Kattegat island Laeso (4900 years BP to present)

    Hansen, J. M., Aagaard, Troels, Stockmarr, J., Moller, I., Nielsen, Lars, Binderup, M., Larsen, J. H. & Larsen, B., 2016, In : Geological Society of Denmark. Bulletin. 64, p. 1-55 55 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Holocene RSL variation on southwestern Disko Island (Greenland): an interpretation based on GPR data, topography and luminescence dating

    Emerich Souza, P., Nielsen, Lars, Kroon, Aart, Murray, A. S., Sohbati, R. & Clemmensen, Lars B, 2016. 1 p.

    Research output: Contribution to conferencePosterResearch

  29. Published

    Past sea-level data from Lakse Bugt, Disko Island, West Greenland from ground-penetrating radar data

    Emerich Souza, P., Nielsen, Lars, Kroon, Aart & Clemmensen, Lars B, 2016. 1 p.

    Research output: Contribution to conferencePosterResearch

  30. 2015
  31. Published

    3D visualisation of a Jurassic oolitic system with GPR data, Isle of Portland (UK)

    Moreau, J., Hansen, T. L. & Nielsen, Lars, Jun 2015. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  32. Published

    From ooze to sedimentary rock, the first diagenetic processes affecting the chalk of eastern Denmark

    Moreau, J., Boussaha, M., Nielsen, Lars, Thibault, Nicolas Rudolph, Ullmann, C. V. & Stemmerik, L., Jun 2015. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  33. Published

    Imaging a fossil oolitic system with GPR, insights into the exposures of the Isle of Portland (UK)

    Moreau, J., Hansen, T. L. & Nielsen, Lars, Apr 2015. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  34. Published

    Barrier system response to a changing sea-level

    Fruergaard, Mikkel, Møller, I., Johannessen, P., Nielsen, L. H., Andersen, Thorbjørn Joest, Nielsen, Lars, Sander, Lasse & Pejrup, Morten, 2015.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  35. Published

    Changes in Holocene relative sea-level and coastal morphology: A study of a raised beach ridge system on Samsø, southwest Scandinavia

    Hede, M. U., Sander, Lasse, Clemmensen, Lars B, Kroon, Aart, Pejrup, Morten & Nielsen, Lars, 2015, In : The Holocene. 25, 9, p. 1402-1414 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Changes in relative sea-level and coastal morphology during the last 5000 years: a case study from the island of Samsø, Denmark

    Hede, M. U., Sander, Lasse, Clemmensen, Lars B, Kroon, Aart, Pejrup, Morten & Nielsen, Lars, 2015, In : Geophysical Research Abstracts. 17, 1 p., 10456.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  37. Published

    Estimation of Recharge from Long-Term Monitoring of Saline Tracer Transport Using Electrical Resistivity Tomography

    Haarder, E. B., Jensen, Karsten Høgh, Binley, A., Nielsen, Lars, Uglebjerg, T. B. & Zibar, Majken Caroline Looms, 2015, In : Vadose Zone Journal. 14, 7, 13 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Full-waveform Inversion of Crosshole GPR Data Collected in Strongly Heterogeneous Chalk: Challenges and Pitfalls

    Keskinen, Johanna, Zibar, Majken Caroline Looms, Nielsen, Lars, Klotzsche, A., van der Kruk, J., Moreau, J., Stemmerik, L. & Holliger, K., 2015, In : Geophysical Research Abstracts. 17, EGU2015-14581.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  39. Published

    Integrated analysis of beach ridge and lagoon systems as indicator of sea-level changes

    Sander, Lasse, Hede, M. U., Fruergaard, Mikkel, Morigi, C., Johannessen, P., Nielsen, Lars, Clemmensen, Lars B, Nielsen, L. H. & Pejrup, Morten, 2015, In : Geophysical Research Abstracts. 17, 1 p., 9341.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  40. Published

    Quaternary layer anomalies around the Carlsberg Fault zone mapped with high-resolution shear-wave seismics south of Copenhagen

    Kammann, J., Hübscher, C., Nielsen, Lars & Boldreel, Lars Ole, 2015. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  41. Published

    Stratigraphy, evolution, and controls of a Holocene transgressive-regressive barrier island under changing sea-level: Danish North Sea coast

    Fruergaard, Mikkel, Møller, I., Johannessen, P., Nielsen, L. H., Andersen, Thorbjørn Joest, Nielsen, Lars, Sander, Lasse & Pejrup, Morten, 2015, In : Journal of Sedimentary Research. 85, 7, p. 820-844

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. 2014
  43. Published

    Morphological records of storm floods exemplified by the impact of the 1872 Baltic storm on a sandy spit system in south-eastern Denmark

    Clemmensen, Lars B, Bendixen, Mette, Hede, M. U., Kroon, Aart, Nielsen, Lars & Murray, A. S., Mar 2014, In : Earth Surface Processes and Landforms. 39, 4, p. 499-508 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Full-waveform inversion of cross-hole GPR data collected in a strongly heterogeneous chalk reservoir analogue with sharp permittivity and conductivity contrasts

    Keskinen, Johanna, Zibar, Majken Caroline Looms, Moreau, J., Nielsen, Lars, Stemmerik, L., Klotzsche, A., van der Kruk, J. & Holliger, K., 2014, SEG Technical Program Expanded Abstracts: SEG Denver, 26-31October 2014. Society of Exploration Geophysicists (SEG), p. 960-965 6 p. (S E G Technical Program Expanded Abstracts (Online), Vol. 2014).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  45. Published

    Mechanical and chemical processes affecting the chalk during burial, insights from combined reflection seismics, well data and field work

    Moreau, J., Boussaha, M., Thibault, Nicolas Rudolph, Nielsen, Lars & Stemmerik, L., 2014, In : Geophysical Research Abstracts. 16, 1 p., 1890.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  46. Published

    Simultaneous estimation of lithospheric uplift rates and absolute sea level change in southwest Scandinavia from inversion of sea level data

    Nielsen, Lars, Hansen, J. M., Hede, M. U., Clemmensen, Lars B, Pejrup, Morten & Noe-Nygaard, N., 2014, In : Geophysical Journal International. 199, 2, p. 1018-1029 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Waveform analysis of crosshole GPR data collected in heterogeneous chalk deposits

    Keskinen, Johanna, Nielsen, Lars, Zibar, Majken Caroline Looms, Moreau, J., Stemmerik, L., Klotzsche, A., van der Kruk, J. & Holliger, K., 2014, In : Geophysical Research Abstracts. 16, 1 p., 13712.

    Research output: Contribution to journalConference abstract in journalResearchpeer-review

  48. 2013
  49. Published

    Seismic architecture of the Chalk Group from onshore reflection data in eastern Denmark

    Moreau, J., Anderskouv, Kresten, Boldreel, Lars Ole, Boussaha, M., Nielsen, Lars, Stemmerik, L., Surlyk, Finn & Thibault, Nicolas Rudolph, Apr 2013. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  50. Published

    A Bayesian approach for estimation of unsaturated hydraulic parameters using hydrogeophysical data

    Zibar, Majken Caroline Looms, Scholer, M., Binley, A. M., Irving, J. & Nielsen, Lars, 2013. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  51. Published

    Efficient data analysis and travel time picking methods for crosshole GPR experiments

    Keskinen, Johanna, Moreau, J., Nielsen, Lars, Stemmerik, L., Anderskouv, Kresten, Holliger, K. & Zibar, Majken Caroline Looms, 2013.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  52. Published

    Examining the information content of time-lapse crosshole GPR data collected under different infiltration conditions to estimate unsaturated soil hydraulic properties

    Scholer, M., Irving, J., Zibar, Majken Caroline Looms, Nielsen, Lars & Holliger, K., 2013, In : Advances in Water Resources. 54, p. 38-56 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published
  54. Published

    Joint interpretation of beach-ridge architecture and coastal topography show the validity of sea-level markers observed in ground-penetrating radar data

    Hede, M. U., Bendixen, Mette, Clemmensen, Lars B, Kroon, Aart & Nielsen, Lars, 2013, In : Holocene. 23, 9, p. 1238-1246 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Seismic architecture of the Chalk Group from onshore reflection data in eastern Denmark

    Moreau, J., Anderskouv, Kresten, Boldreel, Lars Ole, Boussaha, M., Nielsen, Lars, Stemmerik, L., Surlyk, Finn & Thibault, Nicolas Rudolph, 2013. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  56. 2012
  57. Published

    Anholt

    Clemmensen, Lars B, Nielsen, Lars & Konnerup-Madsen, J., 2012, In : Geoviden. 1, p. 2-19 18 p.

    Research output: Contribution to journalJournal articleResearch

  58. Published

    Bayesian Markov-Chain-Monte-Carlo inversion of time-lapse crosshole GPR data to characterize the vadose zone at the Arrenaes Site, Denmark

    Scholer, M., Irving, J., Zibar, Majken Caroline Looms, Nielsen, Lars & Holliger, K., 2012, In : Vadose Zone Journal. 11, 4, 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Comparing plume characteristics inferred from cross-borehole geophysical data

    Haarder, E. B., Binley, A., Zibar, Majken Caroline Looms, Doetsch, J., Nielsen, Lars & Jensen, Karsten Høgh, 2012, In : Vadose Zone Journal. 11, 4, 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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