Christian J. Bjerrum
Professor MSO
Geology
Øster Voldgade 10
1350 København K
- 2024
- Published
Combined cadmium and chromium isotopes record a collapse of bioproductivity across the Cretaceous—Paleogene boundary in the Danish basin
Frederiksen, J. A., Thibault, Nicolas Rudolph, Gilleaudeau, G. J., Bjerrum, Christian J., Moreau, J. & Frei, Robert, 2024, In: Chemical Geology. 654, 122058.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- 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, , 2023, In: Scientific Drilling. 32, p. 1-25 25 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 556-570Research output: Contribution to journal › Journal article › Research › peer-review
- 2022
- 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 journal › Journal article › Research › peer-review
- 2021
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 229-246Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2020
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Review › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2019
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2018
- 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 journal › Journal article › Research › peer-review
- 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 journal › Editorial › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2017
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2016
- 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. 2-20Research output: Contribution to journal › Journal article › Communication
ID: 7443
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Large Igneous Province volcanism, ocean anoxia and marine mass extinction
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Mochras borehole revisited: a new global standard for Early Jurassic earth history
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Paleoredox chemistry of Cenomanian–Coniacian black shales at high paleolatitudes: Implications for the extent of anoxia during OAE2
Research output: Contribution to journal › Conference abstract in journal › Research
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