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
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
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
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
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
- 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
- 2020
- 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
- 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
- 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
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
- 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
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
- 2017
- 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
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
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
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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Comment/debate › Research › peer-review
- 2015
- 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 conference › Conference abstract for conference › Research › peer-review
- 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 conference › Conference abstract for conference › Research › peer-review
- 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. 135-138Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 2014
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 conference › Conference abstract for conference › Research › peer-review
- 2013
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Conference abstract in journal › Research
- 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, 81–91Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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 journal › Conference abstract in journal › Research
- Published
Ocean oxygenation and nutrification in relation Phanerozoic climate evolution
Bjerrum, Christian J., 2013. 2 p.Research output: Contribution to conference › Paper › Research
- 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 proceeding › Conference abstract in proceedings › Research
- 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 journal › Conference abstract in journal › Research
- 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 journal › Conference abstract in journal › Research
- 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 journal › Journal article › Research › peer-review
- 2012
- 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 journal › Journal article › Research › peer-review
- 2011
- Published
OAE2 in marine sections at high northern palaeolatitudes?
Lenniger, M., Pedersen, G. K. & Bjerrum, Christian J., Aug 2011.Research output: Contribution to conference › Conference abstract for conference › Research
- 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 journal › Comment/debate › Research › peer-review
- Published
Chemostratigraphy of Late Cretaceous deltaic and marine sedimentary rocks from high northern palaeolatitudes in the Nuussuaq Basin, West Greenland
Lenniger, M., Pedersen, G. K. & Bjerrum, Christian J., Jan 2011.Research output: Contribution to conference › Poster › Research
ID: 7443
Most downloads
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2724
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Large Igneous Province volcanism, ocean anoxia and marine mass extinction
Research output: Contribution to journal › Conference abstract in journal › Research
Published -
1431
downloads
Mochras borehole revisited: a new global standard for Early Jurassic earth history
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1154
downloads
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
Published