Christian J. Bjerrum

Christian J. Bjerrum

Professor MSO


  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

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