Christian Jannik Bjerrum

Professor

University of Copenhagen

Denmark

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About

Christian Jannik Bjerrum is a Professor at the University of Copenhagen, Denmark. His research areas include marine biogeochemistry, paleoenvironments, and the geochemical cycling of elements, as evidenced by his recent publications on plankton models, isotopes, and atmospheric conditions during significant geological periods. He contributes valuable insights into historical bioproductivity and environmental changes across various geological epochs.

Articles (10)

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2025

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2024

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2023

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2023

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2023

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2023

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2021

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2021

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2021

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2021

Collaborators (15)

Christoph Korte

Associate Professor

University of Copenhagen

DENMARK

Christian Jannik Bjerrum

Research Interests

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About

Articles (10)

The unicellular NUM v.0.91: a trait-based plankton model evaluated in two contrasting biogeographic provinces

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

Late Jurassic–Early Cretaceous marine deoxygenation in NE Greenland

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

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

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

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

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

Petrographic carbon in ancient sediments constrains Proterozoic Era atmospheric oxygen levels

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

Collaborators (15)

Christoph Korte

Isabel M. Fendley

Jørgen Albert Bojesen-Koefoed

Robert Frei

Crispin Little

Ken Haste Andersen

Robert Newton

Malin Sofie Lindström

Catherine Rose

Ricardo L. Silva

Remco Bos

Guillaume SUAN

Nicolas Thibault

M. A. van Zuilen

Malte Mau

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