Christian J. Bjerrum

Christian J. Bjerrum

Professor MSO


  1. 2024
  2. Published

    Combined cadmium and chromium isotopes record a collapse of bioproductivity across the Cretaceous—Paleogene boundary in the Danish basin

    Frederiksen, Jesper Allan, Thibault, Nicolas Rudolph, Gilleaudeau, G. J., Bjerrum, Christian J., Moreau, J. & Frei, Robert, 2024, In: Chemical Geology. 654, 122058.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. 2023
  4. Published

    Comparing two ocean biogeochemical models of Chesapeake Bay with and without the sulfur cycle instead highlights the importance of particle sinking, burial, organic matter, nitrification and light attenuation

    Jin, R., Pradal, M., Hantsoo, K., Gnanadesikan, A., St-Laurent, P. & Bjerrum, Christian J., 2023, In: Ocean Modelling. 182, 15 p., 102175.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Constructing a model including the cryptic sulfur cycle in Chesapeake Bay requires judicious choices for key processes and parameters

    Jin, R., Pradal, M., Hantsoo, K., Gnanadesikan, A., St-Laurent, P. & Bjerrum, Christian J., 2023, In: MethodsX. 11, 18 p., 102253.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Initial results of coring at Prees, Cheshire Basin, UK (ICDP JET project): Towards an integrated stratigraphy, timescale, and Earth system understanding for the Early Jurassic

    Hesselbo, S. P., Al-Suwaidi, A., Baker, S. J., Ballabio, G., Belcher, C. M., Bond, A., Boomer, I., Bos, R., Bjerrum, C. J., Bogus, K., Boyle, R., Browning, J. V., Butcher, A. R., Condon, D. J., Copestake, P., Daines, S., Dalby, C., Damaschke, M., Damborenea, S. E., Deconinck, J. F. & 53 others, Dickson, A. J., Fendley, I. M., Fox, C. P., Fraguas, A., Frieling, J., Gibson, T. A., He, T., Hickey, K., Hinnov, L. A., Hollaar, T. P., Huang, C., Hudson, A. J. L., Jenkyns, H. C., Idiz, E., Jiang, M., Krijgsman, W., Korte, Christoph, Leng, M. J., Lenton, T. M., Leu, K., Little, C. T. S., Macniocaill, C., Manceñido, M. O., Mather, T. A., Mattioli, E., Miller, K. G., Newton, R. J., Page, K. N., Pálfy, J., Pieńkowski, G., Porter, R. J., Poulton, S. W., Riccardi, A. C., Riding, J. B., Roper, A., Ruhl, M., Silva, R. L., Storm, M. S., Suan, G., Szúcs, D., Thibault, Nicolas Rudolph, Uchman, A., Stanley, J. N., Ullmann, C. V., Van De Schootbrugge, B., Vickers, M. L., Wadas, S., Whiteside, J. H., Wignall, P. B., Wonik, T., Xu, W., Zeeden, C. & Zhao, K., 2023, In: Scientific Drilling. 32, p. 1-25 25 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Late Jurassic – Early Cretaceous marine deoxygenation in NE Greenland

    Hovikoski, J., Olivarius, M., Bojesen-Koefoed, J. A., Piasecki, Stefan, Alsen, P., Fyhn, M. B. W., Sharp, I., Bjerager, M., Vosgerau, H., Lindström, Sofie, Bjerrum, Christian J. & Ineson, J., 2023, In: Journal of the Geological Society. 180, 3, 16 p., jgs2022-058.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion

    Ostrander, C. M., Bjerrum, Christian J., Ahm, A. S. C., Stenger, S. R., Bergmann, K. D., El-Ghali, M. A. K., Harthi, A. R., Aisri, Z. & Nielsen, S. G., 2023, In: Geobiology. 21, 5, p. 556-570

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 2022
  10. Published

    Late Triassic paleowinds from lacustrine wave ripple marks in the Fleming Fjord Group, central East Greenland

    Mau, M., Bjerrum, Christian J. & Clemmensen, Lars B, 2022, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 586, 11 p., 110776.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2021
  12. Published

    The Ca and Mg isotope record of the Cryogenian Trezona carbon isotope excursion

    Ahm, A. S. C., Bjerrum, Christian J., Hoffman, P. F., Macdonald, F. A., Maloof, A. C., Rose, C. V., Strauss, J. V. & Higgins, J. A., 15 Aug 2021, In: Earth and Planetary Science Letters. 568, 13 p., 117002.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Minimum levels of atmospheric oxygen from fossil tree roots imply new plant−oxygen feedback

    Sønderholm, F. & Bjerrum, Christian J., 2021, In: Geobiology. 19, 3, p. 250-260 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Petrographic carbon in ancient sediments constrains Proterozoic Era atmospheric oxygen levels

    Canfield, D. E., van Zuilen, M. A., Nabhan, S., Bjerrum, Christian J., Zhang, S., Wang, H. & Wang, X., 2021, In: Proceedings of the National Academy of Sciences of the United States of America. 118, 23, 8 p., 2101544118.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Redox element record shows that environmental perturbations associated with the t-oae were of longer duration than the carbon isotope record suggests – the aubach section, sw germany

    Hougård, Iben Winther, Bojesen-Koefoed, J. A., Vickers, M. L., Ullmann, C. V., Bjerrum, Christian J., Rizzi, Malgorzata & Korte, Christoph, 2021, In: Newsletters on Stratigraphy. 54, 2, p. 229-246

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 2020
  17. Published

    The modern phosphorus cycle informs interpretations of Mesoproterozoic Era phosphorus dynamics

    Canfield, D. E., Bjerrum, Christian J., Zhang, S., Wang, H. & Wang, X., Sep 2020, In: Earth-Science Reviews. 208, 24 p., 103267.

    Research output: Contribution to journalReviewResearchpeer-review

  18. Published

    Cold spells in the Nordic Seas during the early Eocene Greenhouse

    Vickers, M. L., Lengger, S. K., Bernasconi, S. M., Thibault, Nicolas Rudolph, Schultz, B. P., Fernandez, A., Ullmann, C. V., McCormack, P., Bjerrum, Christian J., Rasmussen, J. A., Hougård, Iben Winther & Korte, Christoph, 2020, In: Nature Communications. 11, 1, 12 p., 4713.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Development of Iron Speciation Reference Materials for Palaeoredox Analysis

    Alcott, L. J., Krause, A. J., Hammarlund, E. U., Bjerrum, Christian J., Scholz, F., Xiong, Y., Hobson, A. J., Neve, L., Mills, B. J. W., Marz, C., Schnetger, B., Bekker, A. & Poulton, S. W., 2020, In: Geostandards and Geoanalytical Research. 44, 3, p. 581-591 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Stratigraphically controlled silicification in Danian chalk and its implications for reservoir properties, southern Danish Central Graben

    Blinkenberg, Kasper Høj, Anderskouv, Kresten, Sheldon, E., Bjerrum, Christian J. & Stemmerik, L., 2020, In: Marine and Petroleum Geology. 115, 15 p., 104134.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2019
  22. Published

    An early diagenetic deglacial origin for basal Ediacaran “cap dolostones”

    Ahm, A. S. C., Maloof, A. C., Macdonald, F. A., Hoffman, P. F., Bjerrum, Christian J., Bold, U., Rose, C. V., Strauss, J. V. & Higgins, J. A., 2019, In: Earth and Planetary Science Letters. 506, p. 292-307 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Paleoenvironmental proxies and what the Xiamaling Formation tells us about the mid-Proterozoic ocean

    Zhang, S., Wang, X., Wang, H., Bjerrum, Christian J., Hammarlund, E. U., Haxen, Emma Rysgaard, Wen, H., Ye, Y. & Canfield, D. E., 2019, In: Geobiology. 17, 3, p. 225-246 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 2018
  25. Published

    A mesoproterozoic iron formation

    Canfield, D. E., Zhang, S., Wang, H., Wang, X., Zhao, W., Su, J., Bjerrum, Christian J., Haxen, Emma Rysgaard & Hammarlund, E. U., 2018, In: Proceedings of the National Academy of Sciences of the United States of America. 115, 17, p. E3895-E3904 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Bioturbation and directionality in Earth's carbon isotope record across the Neoproterozoic-Cambrian transition

    Boyle, R. A., Dahl, Tais Wittchen, Bjerrum, Christian J. & Canfield, D. E., 2018, In: Geobiology. 16, 3, p. 252-278 27 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Quantifying early marine diagenesis in shallow-water carbonate sediments

    Ahm, A. C., Bjerrum, Christian J., Blattler, C. L., Swart, P. K. & Higgins, J. A., 2018, In: Geochimica et Cosmochimica Acta. 236, p. 140-159 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Sea level, climate, and ocean poisoning by sulfide all implicated in the first animal mass extinction

    Bjerrum, Christian J., 2018, In: Geology. 46, 6, p. 575-576 2 p.

    Research output: Contribution to journalEditorialResearchpeer-review

  29. 2017
  30. Published

    A new correlation of Triassic-Jurassic boundary successions in NW Europe, Nevada and Peru, and the Central Atlantic Magmatic Province: A time-line for the end-Triassic mass extinction

    Lindström, Sofie, van de Schootbrugge, B., Hansen, K. H., Pedersen, G. K., Alsen, P., Thibault, Nicolas Rudolph, Dybkjaer, K., Bjerrum, Christian J. & Nielsen, L. H., 2017, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 478, p. 80-102 23 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    Disentangling the record of diagenesis, local redox conditions, and global seawater chemistry during the latest Ordovician glaciation

    Ahm, A. C., Bjerrum, Christian J. & Hammarlund, E. U., 2017, In: Earth and Planetary Science Letters. 459, p. 145-156 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Oxygen, climate and the chemical evolution of a 1400 million year old tropical marine setting

    Wang, X., Zhang, S., Wang, H., Bjerrum, Christian J., Hammarlund, E. U., Haxen, Emma Rysgaard, Su, J., Wang, Y. & Canfield, D. E., 2017, In: American Journal of Science. 317, 8, p. 861-900 40 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. 2016
  34. Published

    Sufficient oxygen for animal respiration 1,400 million years ago

    Zhang, S., Wang, X., Wang, H., Bjerrum, Christian J., Hammarlund, E. U., Canas Portela Costa, M. M., Connelly, James, Zhang, B., Su, J. & Canfield, D. E., 16 Feb 2016, In: National Academy of Sciences. Proceedings. 113, 7, p. 1731-1736 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    En krise i livets historie: masseuddøen og samtidig vulkanisme ved Trias–Jura-grænsen

    Lindström, S., Pedersen, G. K., Dybkjær, K., Weibel, R., Nielsen, L. H., Nytoft, H., Hansen, K. H., Thibault, Nicolas Rudolph, Bjerrum, Christian J., Korte, Christoph, Waight, Tod & Tegner, C., 2016, In: Geoviden. 2016, 1, p. 2-20

    Research output: Contribution to journalJournal articleCommunication

  36. Published

    Orbital calibration of the late Campanian carbon isotope event in the North Sea

    Perdiou, A., Thibault, Nicolas Rudolph, Anderskouv, Kresten, van Buchem, F., Buijs, G. J. A. & Bjerrum, Christian J., 2016, In: Journal of the Geological Society. 173, 3, p. 504-517 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Reply to Planavsky et al.: Strong evidence for high atmospheric oxygen levels 1,400 million years ago

    Zhang, S., Wang, X., Wang, H., Bjerrum, Christian J., Hammarlund, E. U., Dahl, Tais Wittchen & Canfield, D. E., 2016, In: National Academy of Sciences. Proceedings. 113, 19, p. E2552-E2553 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  38. 2015
  39. Published

    CA AND MG ISOTOPE RECORD OF THE DESCENT AND ESCAPE OF THE END-CRYOGENIAN GLACIATION

    Ahm, A. C., Bjerrum, Christian J., Hoffman, P., Macdonald, F., Maloof, A., Rose, C. & Higgins, J., 2015. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  40. Published

    Ca and Mg Isotope Stratigraphy of the Trezona C Isotope Excursion: Geochemical Record of the Descent into a Snowball?

    Ahm, A. C., Bjerrum, Christian J., Hoffman, P., Macdonald, F., Maloof, A., Rose, C. & Higgins, J., 2015.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  41. Published

    Iron oxides, divalent cations, silica, and the early earth phosphorus crisis

    Jones, C., Nomosatryo, S., Crowe, S. A., Bjerrum, Christian J. & Canfield, D. E., 2015, In: Geology. 43, 2, p. 135-138

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Orbital forcing of climate 1.4 billion years ago

    Zhang, S., Wang, X., Hammarlund, E. U., Wang, H., Canas Portela Costa, M. M., Bjerrum, Christian J., Connelly, James, Zhang, B., Bian, L. & Canfield, D. E., 2015, In: Proceedings of the National Academy of Sciences of the United States of America. 112, 12, p. E1406-E1413 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. 2014
  44. Published

    Arctic black shale formation during Cretaceous Oceanic Anoxic Event 2

    Lenniger, M., Nøhr-Hansen, H., Hills, L. V. & Bjerrum, Christian J., 1 Sep 2014, In: Geology. 42, 9, p. 799-802 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    A model-based insight into the coupling of nitrogen and sulfur cycles in a coastal upwelling system

    Muchamad, A. A., Canfield, D. E., Fennel, K., Thamdrup, B. & Bjerrum, Christian J., 2014, In: Journal of Geophysical Research: Biogeosciences. 119, 3, p. 264-285 22 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    The link between the rise of land plants, cloud-albedo, and carbon cycle perturbation

    Ahm, A. C. & Bjerrum, Christian J., 2014. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  47. 2013
  48. Published

    Tracing euxinia by molybdenum concentrations in sediments using handheld X-ray fluorescence spectroscopy (HHXRF)

    Dahl, Tais Wittchen, Ruhl, M., Hammarlund, E. U., Canfield, D. E., Rosing, Minik Thorleif & Bjerrum, Christian J., 18 Dec 2013, In: Chemical Geology. 360-361, p. 241-251 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Carbon-isotope stratigraphy from terrestrial organic matter through the Monterey event, Miocene, New Jersey margin (IODP Expedition 313)

    Fang, L., Bjerrum, Christian J., Hesselbo, S. P., Kotthoff, U., McCarthy, F. M. G., Huang, B. & Ditchfield, P. W., 1 Oct 2013, In: Geosphere. 9, 5, p. 1303-1318 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Testing sequence stratigraphic models by drilling Miocene foresets on the New Jersey shallow shelf

    Miller, K. G., Mountain, G. S., Browning, J. V., Katz, M. E., Monteverde, D., Sugarman, P. J., Ando, H., Bassetti, M. A., Bjerrum, Christian J., Hodgson, D., Hesselbo, S., Karakaya, S., Proust, J. & Rabineau, M., 1 Oct 2013, In: Geosphere. 9, 5, p. 1236-1256 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Large Igneous Province volcanism, ocean anoxia and marine mass extinction

    Ruhl, M., Bjerrum, Christian J., Canfield, D., Korte, Christoph, Stemmerik, L. & Frei, Robert, 2013, In: Mineralogical Magazine. 77, 5, p. 2097 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  52. Published

    Mochras Revisited: A New Global standard for Early Jurassic Earth History

    Hesselbo, S. P., Bjerrum, Christian J., Hinnov, L., MacNiocaill, C., Miller, K., Riding, J. B., van de Schootbrugge, B., Korte, Christoph & and the Mochras Revisited Science Team, 2013, In: Scientific Drilling. 16, 81–91

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Mochras borehole revisited: a new global standard for Early Jurassic earth history

    Hesselbo, S. P., Bjerrum, Christian J., Hinnov, L. A., MacNiocaill, C., Miller, K. G., Riding, J. B. & van de Schootbrugge, B., 2013, In: Scientific Drilling. 16, p. 81-91 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Ocean anoxia and large igneous provinces

    Ruhl, M., Bjerrum, Christian J., Canfield, D. E., Korte, Christoph, Stemmerik, L. & Frei, Robert, 2013, In: Geophysical Research Abstracts. 15, 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  55. Published

    Ocean oxygenation and nutrification in relation Phanerozoic climate evolution

    Bjerrum, Christian J., 2013. 2 p.

    Research output: Contribution to conferencePaperResearch

  56. Published

    Ocean redox change at the Permian-Triassic mass extinction

    Ruhl, M., Bjerrum, Christian J., Canfield, D. E. & Stemmerik, L., 2013, The Permian Strata of Svalbard: Norwegian Polar institute, Tromsø, april 10-12, 2013 Abstracts and Proceedings. Bond, D. & Blomeier, D. (eds.). Norwegian Polar Institute (NPI), p. 20-21 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  57. Published

    Paleoredox chemistry of Cenomanian–Coniacian black shales at high paleolatitudes: Implications for the extent of anoxia during OAE2

    Lenniger, M., Nøhr-Hansen, H., Hills, L. V. & Bjerrum, Christian J., 2013, In: Mineralogical Magazine. 77, 5, p. 1585 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  58. Published

    Regional deep water anoxic conditions during the Hirnantian extinction event

    Ahm, A. C., Bjerrum, Christian J. & Hammarlund, E., 2013, In: Mineralogical Magazine. 77, 3, p. 563 1 p.

    Research output: Contribution to journalConference abstract in journalResearch

  59. Published

    Statistical classification of log response as an indicator of facies variation during changes in sea level: integrated Ocean Drilling Program Expedition 313

    Inwood, J., Lofi, J., Davies, S., Basile, C., Bjerrum, Christian J., Mountain, G., Proust, J., Otsuka, H. & Valppu, H., 2013, In: Geosphere. 9, 4, p. 1025-1043 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. 2012
  61. Published

    A sulfidic driver for the end-Ordovician mass extinction

    Hammarlund, E., Dahl, T. W., Harper, D. A. T., Bond, D. P. G., Nielsen, Arne Thorshøj, Bjerrum, Christian J., Schovsbo, N. H., Schönlaub, H. P., Zalasiewicz, J. A. & Canfield, D. E., 2012, In: Earth and Planetary Science Letters. 331-332, p. 128-139 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. 2011
  63. Published

    OAE2 in marine sections at high northern palaeolatitudes?

    Lenniger, M., Pedersen, G. K. & Bjerrum, Christian J., Aug 2011.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  64. Published

    Rosing, Bird, Sleep & Bjerrum reply

    Rosing, Minik Thorleif, Bird, D., Sleep, N. & Bjerrum, Christian J., 2 Jun 2011, In: Nature. 474, 7349, p. E4-E5 2 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  65. Published
  66. Published

    Towards a quantitative understanding of the late Neoproterozoic carbon cycle

    Bjerrum, Christian J. & Canfield, D. E., 2011, In: Proceedings of the National Academy of Sciences of the United States of America. 108, 14, p. 5542-5547 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. 2010
  68. Published

    MODELLING EARTH SYSTEM CHANGES THROUGH THE SHURUM-WONOKA ANOMALY

    Bjerrum, Christian J. & Canfield, D. E., 31 Oct 2010. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  69. Published

    Geochemical and biologic constraints on the Archaean atmosphere and climate – A possible solution to the faint early Sun paradox

    Rosing, Minik Thorleif, Brid, D. K., Sleep, N. H. & Bjerrum, Christian J., 2 May 2010. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  70. Published

    No climate paradox under the faint early Sun

    Rosing, Minik Thorleif, Bird, D., Sleep, N. H. & Bjerrum, Christian J., 2010, In: Nature. 464, p. 744-747 4 p.

    Research output: Contribution to journalLetterResearchpeer-review

  71. 2009
  72. Published

    Anoxic and oxic phototrophic primary production during the Precambrian

    Ebey-Honeycutt, C. M., Bjerrum, Christian J. & Canfield, D. E., 2009, In: Geochimica et Cosmochimica Acta. 12, p. A549

    Research output: Contribution to journalConference articleResearchpeer-review

  73. Published

    New Jersey shallow shelf: shallow-water drilling of the New Jersey continental shelf : global sea level and architecture of passive margin sediments

    Expedition 313 Scientists & Bjerrum, Christian J., 2009, Integrated Ocean Drilling Program: Expedition 313 Preliminary Report. USA, Vol. 313. 82 p. (IODP Prel. Rept., Vol. 313).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  74. Published

    Strontium isotope stratigraphy of the Upper Cretaceous chalk based on drill cores from Stevns and Rørdal (Denmark): preliminary results

    Harlou, R., Stemmerik, L., Thibault, Nicolas Rudolph, Bjerrum, Christian J. & Schovsbo, N. H., 2009.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  75. 2008
  76. Published

    Modelling biogeochemical-stratigraphic dynamics of clinoform successions over geological timescales

    Legarth, J. J. F. & Bjerrum, Christian J., 2008. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  77. 2006
  78. Published

    A numerical investigation of phosphate remobilization during sea-level change: implications for offshore phosphate and TOC deposition

    Legarth, J. J. F. & Bjerrum, Christian J., 2006.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  79. Published

    Early anaerobic ecosystems

    Canfield, D. E., Rosing, Minik Thorleif & Bjerrum, Christian J., 2006, In: Philosophical Transactions of the Royal Society of London. Biological Sciences. 361, p. 1819-1836

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Published

    Fortidens drivhusverden: Indsigt for fremtiden

    Bjerrum, Christian J., Lauridsen, B. W., Pedersen, G. K., Rasmussen, Jan Audun Liljeroth, Schovsbo, N., Stemmerik, L. & Surlyk, Finn, 2006, In: Geoviden. 4, p. 2-19

    Research output: Contribution to journalJournal articleResearch

  81. Published

    Modeling organic carbon burial during sea-level rises with application to the Cretaceous

    Bjerrum, Christian J., Bendtsen, J. & Legarth, J. J. F., 2006, In: Geochemistry Geophysics Geosystems. 7, 5, Q05008, p. 1-24

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    One dimensional physico-chemical ecological ocean model: potential applications to Proterozoic biogeochemical cycling

    Ebey-Honeycutt, C. M., Bjerrum, Christian J. & Canfield, D. E., 2006.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  83. Published

    Sea-level Change and Shelf-Ocean Exchange in Relation to Ocean Anoxic Conditions

    Bjerrum, Christian J., 2006.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  84. 2005
  85. Published

    Dissolved organic carbon and marine snow in the prokaryote dominated Precambrian oceans

    Bjerrum, Christian J., Canfield, D. E., Kiørboe, T. & Jackson, G. A., 2005, In: Earth System Processes 2, Geological Society of America and. Geological Association of Canada, p. 1

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    Modelling the influence of sea level rise on organic carbon burial with application to the Cretaceous

    Bjerrum, Christian J., 2005, In: Earth System Processes 2, Geological Society of America and. Geological Association of Canada, p. 1

    Research output: Contribution to journalJournal articleResearch

  87. Published

    Ocean oxygen isotope constraints on mechanisms for millennial-scale climate variability

    Olsen, S. M., Shaffer, Gary & Bjerrum, Christian J., 2005, In: Paleoceanography. 20, p. 001063

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. 2004
  89. Published

    Fortidens varme klima

    Bjerrum, Christian J., 2004, In: Kvant. 4, p. 7-13

    Research output: Contribution to journalJournal articleResearch

  90. Published

    From dissolved organic carbon to marine snow in the prokaryote dominated Precambrian oceans

    Bjerrum, Christian J., 2004, In: Goldschmidt Conference,. Copenhagen, June 5-11 2004, p. A787

    Research output: Contribution to journalJournal articleResearch

  91. Published

    New insights into the burial history of organic carbon on the early Earth

    Bjerrum, Christian J. & Canfield, D. E., 2004, In: Geochemistry Geophysics Geosystems. 5, 8

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Ocean subsurface warming as a mechanism for coupling Dansgaard-Oeschger climate cycles and ice-rafting events

    Shaffer, Gary, Olsen, S. M. & Bjerrum, Christian J., 2004, In: Geophysical Research Letters. 31, L24202, p. 1-4

    Research output: Contribution to journalJournal articleResearchpeer-review

  93. 2003
  94. Published

    De studerendes motivation bag valget af speciale

    Bjerrum, Christian J., Ellegaard, Marianne & Nielsen, Lars, 2003, In: Center for Naturfagenes Didaktiks skriftserie. 10, p. 1-21

    Research output: Contribution to journalJournal articleResearch

  95. 2002
  96. Published

    Vulnerability of climate on Earth to sudden changes in insolation

    Bendtsen, Jørgen & Bjerrum, Christian J., 1 Aug 2002, In: Geophysical Research Letters. 29, 15, p. 1-1-1-4

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Ocean productivity before about 1.9 Gyr ago limited by phosphorus adsorption onto iron oxides

    Bjerrum, Christian J. & Canfield, D. E., 9 May 2002, In: Nature. 417, 6885, p. 159-162 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    Carbon isotope model of the Archean: Significance of deep ocean carbonate precipitation

    Bjerrum, Christian J. & Canfield, D. E., 2002, In: Geochimica et Cosmochimica Acta. 66(15A), p. A80-A80

    Research output: Contribution to journalJournal articleResearch

  99. Published

    Ocean productivity before about 1.9 Gyr ago limited by phosphorus adsorption onto iron oxides

    Bjerrum, Christian J. & Canfield, D. E., 2002, In: Nature. 417, p. 159-162 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Relations between long term sea-level change, shelf-ocean exchange and shelf burial of organic material

    Bjerrum, Christian J. & Bendtsen, J., 2002.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  101. Published

    Vulnerability of climate on Earth to sudden changes in insolation

    Bendtsen, J. & Bjerrum, Christian J., 2002, In: Geophysical Research Letters. 29, 15

    Research output: Contribution to journalJournal articleResearchpeer-review

  102. Published

    Vulnerability of the climate on Earth: Effect of perturbations in the insolation caused by extra-terrestrial impacts or large volcanic eruptions

    Bendtsen, J. & Bjerrum, Christian J., 2002, In: Geochimica et Cosmochimica Acta. 66(15A), p. A66-A66

    Research output: Contribution to journalJournal articleResearch

  103. 2001
  104. Published

    Millenial-scale climate variability controlled by vertical exchange in the ocean

    Shaffer, Gary, Olsen, S. M. & Bjerrum, Christian J., 2001.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  105. Published

    Numerical paleoceanographic study of the Early Jurassic transcontinental Laurasian Seaway

    Bjerrum, Christian J., Surlyk, Finn, Callomon, J. H. & Slingerland, R. L., 2001, In: Paleoceanography. 16, p. 390-404

    Research output: Contribution to journalJournal articleResearchpeer-review

  106. Published

    Phosphate in BIF's: Implications for the Archean Biosphere

    Bjerrum, Christian J. & Canfield, D. E., 2001.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  107. 2000
  108. Published

    Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event

    Hesselbo, S. P., Gröcke, D. R., Jenkyns, H. C., Bjerrum, Christian J., Farrimond, P., Bell, H. S. M. & Green, O. R., 2000, In: Nature. 406, 6794, p. 392-395

    Research output: Contribution to journalJournal articleResearchpeer-review

  109. 1998
  110. Published
  111. Published

    Numerical ocean model investigations of Jurassic meridional seastrait palaeoceanography

    Bjerrum, Christian J. & Surlyk, Finn, 1998, In: Palaeoceanography. Palæontologisk Klub, Danish Geol. Society, Copenhagen, May 18. p. 10-11

    Research output: Contribution to journalJournal articleResearch

  112. 1995
  113. Published

    Depositional dynamics of aeolian superscoops, Page Sandstone (Jurassic), USA

    Bjerrum, Christian J., Blakey, R. C. & Clemmensen, Lars B, 1995, In: International Ass. of Sedimentologists, Abstract Book, 16th Regional Meet.Sedim.. 22, p. 20

    Research output: Contribution to journalJournal articleResearch

  114. Published

    Tectonic controls on deposition of Middle Jurassic strata in a retroarc foreland basin, Utah-Idaho through, western interior, United States

    Bjerrum, Christian J. & Dorsey, R. J., 1995, In: Tectonics. 14, 4, p. 962-978

    Research output: Contribution to journalJournal articleResearchpeer-review

  115. 1994
  116. Published

    Variations in morphodynamics within the uppermost genetic package in the aeolian Page Sandstone (Jurassic), Northern Arizona: a response to climatic change?

    Bjerrum, Christian J., Clemmensen, Lars B & Blakey, R. C., 1994, IAS 94. 14th International Sedimentological Congress, Receife. Receife, Brasilien, p. A6-A7

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

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