Publications by authors named "Christian J Bjerrum"

10Publications

Paleoenvironmental proxies and what the Xiamaling Formation tells us about the mid-Proterozoic ocean.

Geobiology 2019 05 6;17(3):225-246. Epub 2019 Mar 6.

Key Laboratory of Petroleum Geochemistry, Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing, China.

View Article and Find Full Text PDF
May 2019

A Mesoproterozoic iron formation.

Proc Natl Acad Sci U S A 2018 04 9;115(17):E3895-E3904. Epub 2018 Apr 9.

Institute of Biology and Nordcee, University of Southern Denmark, 5230 Odense M, Denmark.

View Article and Find Full Text PDF
April 2018

Reply to Planavsky et al.: Strong evidence for high atmospheric oxygen levels 1,400 million years ago.

Proc Natl Acad Sci U S A 2016 May 20;113(19):E2552-3. Epub 2016 Apr 20.

Institute of Biology, University of Southern Denmark, DK-5230 Odense, Denmark; The Nordic Center for Earth Evolution at the Institute of Biology, University of Southern Denmark, DK-5230 Odense, Denmark;

View Article and Find Full Text PDF
May 2016

Sufficient oxygen for animal respiration 1,400 million years ago.

Proc Natl Acad Sci U S A 2016 Feb 4;113(7):1731-6. Epub 2016 Jan 4.

Institute of Biology, University of Southern Denmark, DK-5230 Odense, Denmark; The Nordic Center for Earth Evolution at the Institute of Biology, University of Southern Denmark, DK-5230 Odense, Denmark;

View Article and Find Full Text PDF
February 2016

Orbital forcing of climate 1.4 billion years ago.

Proc Natl Acad Sci U S A 2015 Mar 9;112(12):E1406-13. Epub 2015 Mar 9.

Institute of Biology and Nordic Center for Earth Evolution, University of Southern Denmark, 5230 Odense M, Denmark;

View Article and Find Full Text PDF
March 2015

A model-based insight into the coupling of nitrogen and sulfur cycles in a coastal upwelling system.

J Geophys Res Biogeosci 2014 Mar 19;119(3):264-285. Epub 2014 Mar 19.

Nordic Center for Earth Evolution (NordCEE) and Department of Geosciences and Natural Resource Management, University of Copenhagen København K, Denmark.

View Article and Find Full Text PDF
March 2014

Towards a quantitative understanding of the late Neoproterozoic carbon cycle.

Proc Natl Acad Sci U S A 2011 Apr 21;108(14):5542-7. Epub 2011 Mar 21.

Nordic Center for Earth Evolution and Department of Geography and Geology, University of Copenhagen, Øster Voldgade 10, DK-1350 København K, Denmark.

View Article and Find Full Text PDF
April 2011

No climate paradox under the faint early Sun.

Nature 2010 Apr;464(7289):744-7

Nordic Center for Earth Evolution, Øster Voldgade, Denmark.

View Article and Find Full Text PDF
April 2010

Ocean productivity before about 1.9 Gyr ago limited by phosphorus adsorption onto iron oxides.

Nature 2002 May;417(6885):159-62

Danish Center for Earth System Science, Institute of Biology, University of Southern Denmark, Campusvej 55, DK-5230 Odense, Denmark.

View Article and Find Full Text PDF
May 2002