Christian J. Bjerrum
Professor MSO
Geology
Øster Voldgade 10
1350 København K
- 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
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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
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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
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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
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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
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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
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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
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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
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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
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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-A66Research output: Contribution to journal › Journal article › Research
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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. 1-1-1-4Research output: Contribution to journal › Journal article › Research › peer-review
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Vulnerability of climate on Earth to sudden changes in insolation
Bendtsen, J. & Bjerrum, Christian J., 2002, In: Geophysical Research Letters. 29, 15Research output: Contribution to journal › Journal article › Research › peer-review
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Ocean oxygenation and nutrification in relation Phanerozoic climate evolution
Bjerrum, Christian J., 2013. 2 p.Research output: Contribution to conference › Paper › Research
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De studerendes motivation bag valget af speciale
Bjerrum, Christian J., Ellegaard, Marianne & Nielsen, Lars, 2003, In: Center for Naturfagenes Didaktiks skriftserie. 10, p. 1-21Research output: Contribution to journal › Journal article › Research
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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
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MODELLING EARTH SYSTEM CHANGES THROUGH THE SHURUM-WONOKA ANOMALY
Bjerrum, Christian J. & Canfield, D. E., 31 Oct 2010. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
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Hydrostatic sea level controlled marine flushing of the Jurassic sea-way in Europe: Implications for marine primary palaeo-production and water oxygenation
Bjerrum, Christian J. & Surlyk, Finn, 1998.Research output: Contribution to conference › Conference abstract for conference › Research
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Sea-level Change and Shelf-Ocean Exchange in Relation to Ocean Anoxic Conditions
Bjerrum, Christian J., 2006.Research output: Contribution to conference › Conference abstract for conference › Research
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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-A80Research output: Contribution to journal › Journal article › Research
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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 journal › Journal article › Research › peer-review
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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. 390-404Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 conference › Conference abstract for conference › Research
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Phosphate in BIF's: Implications for the Archean Biosphere
Bjerrum, Christian J. & Canfield, D. E., 2001.Research output: Contribution to conference › Conference abstract for conference › Research
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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, 8Research output: Contribution to journal › Journal article › Research › peer-review
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Fortidens varme klima
Bjerrum, Christian J., 2004, In: Kvant. 4, p. 7-13Research output: Contribution to journal › Journal article › Research
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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. 1Research output: Contribution to journal › Journal article › Research › peer-review
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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. 1Research output: Contribution to journal › Journal article › Research
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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. 20Research output: Contribution to journal › Journal article › Research
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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 journal › Journal article › Research › peer-review
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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. 962-978Research output: Contribution to journal › Journal article › Research › peer-review
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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. 2-19Research output: Contribution to journal › Journal article › Research
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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-A7Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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. A787Research output: Contribution to journal › Journal article › Research
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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. 1-24Research output: Contribution to journal › Journal article › Research › peer-review
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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. 10-11Research output: Contribution to journal › Journal article › Research
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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
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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
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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
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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
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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
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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. 1819-1836Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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. A549Research output: Contribution to journal › Conference article › Research › peer-review
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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 conference › Conference abstract for conference › Research
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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 proceeding › Report chapter › Research
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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
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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
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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
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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 conference › Conference abstract for conference › Research
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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
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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
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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
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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. 392-395Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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
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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
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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
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Modelling biogeochemical-stratigraphic dynamics of clinoform successions over geological timescales
Legarth, J. J. F. & Bjerrum, Christian J., 2008. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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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 conference › Conference abstract for conference › Research
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Ocean oxygen isotope constraints on mechanisms for millennial-scale climate variability
Olsen, S. M., Shaffer, Gary & Bjerrum, Christian J., 2005, In: Paleoceanography. 20, p. 001063Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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 conference › Conference abstract for conference › Research › peer-review
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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
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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 journal › Letter › Research › peer-review
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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
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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
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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
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Millenial-scale climate variability controlled by vertical exchange in the ocean
Shaffer, Gary, Olsen, S. M. & Bjerrum, Christian J., 2001.Research output: Contribution to conference › Conference abstract for conference › Research
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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. 1-4Research 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
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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
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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
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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
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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
- 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
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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
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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
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