Christian J. Bjerrum

5.3k citations

54 papers · 4.2k indexed · 1 hit paper · h-index 30

Co-authors: Donald E. Canfield Minik T. Rosing Emma U. Hammarlund Stephen P. Hesselbo Owen R. Green Darren R. Gröcke Paul Farrimond Hugh C. Jenkyns
Topics: Paleontology and Stratigraphy of Fossils (32 papers)Geology and Paleoclimatology Research (28 papers)Geochemistry and Elemental Analysis (13 papers)
Cited by: Paleontology Geochemistry and Petrology Atmospheric Science
Journals: Nature Proceedings of the National Academy of Sciences Nature Communications
Partner nations: Denmark United States United Kingdom

In The Last Decade

Christian J. Bjerrum

53 papers receiving 4.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Massive dissociation of gas hydrate during a Jurassic oceanic anoxic event

2000 834 citations Christian J. Bjerrum et al. Nature profile →

Peers

Countries citing papers authored by Christian J. Bjerrum

Since Specialization

Citations

This map shows the geographic impact of Christian J. Bjerrum's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Christian J. Bjerrum with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christian J. Bjerrum more than expected).

Fields of papers citing papers by Christian J. Bjerrum

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christian J. Bjerrum. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Christian J. Bjerrum. The network helps show where Christian J. Bjerrum may publish in the future.

Co-authorship network of co-authors of Christian J. Bjerrum

This figure shows the co-authorship network connecting the top 25 collaborators of Christian J. Bjerrum. A scholar is included among the top collaborators of Christian J. Bjerrum based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Christian J. Bjerrum. Christian J. Bjerrum is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Constructing a model including the cryptic sulfur cycle in Chesapeake Bay requires judicious choices for key processes and parameters 2023 ·MethodsX ·(unknown),Marie‐Aude Pradal,(unknown),Anand Gnanadesikan,Pierre St‐Laurent,Christian J. Bjerrum	0
2	The Late Maastrichtian Rørdal Member (Denmark): a remarkable window of climatic, environmental and biotic changes at orbital timescales 2023 ·Geological Society London Special Publications ·Nicolas Thibault,Bodil W. Lauridsen,Niels H. Schovsbo,Kresten Anderskouv,Christian J. Bjerrum,Christoph Korte,Mathieu Martinez,Caterina Morigi,Lars Stemmerik,Clemens V. Ullmann	2
3	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 2023 ·Ocean Modelling ·(unknown),Marie‐Aude Pradal,(unknown),Anand Gnanadesikan,Pierre St‐Laurent,Christian J. Bjerrum	2
4	Late Jurassic–Early Cretaceous marine deoxygenation in NE Greenland 2023 ·Journal of the Geological Society ·Jussi Hovikoski,Mette Olivarius,Jørgen A. Bojesen‐Koefoed,Stefan Piasecki,Peter Alsen,Michael B.W. Fyhn,Ian Sharp,Morten Bjerager,Henrik Vosgerau,Sofie Lindström,Christian J. Bjerrum,Jon R. Ineson	6
5	Widespread seafloor anoxia during generation of the Ediacaran Shuram carbon isotope excursion 2023 ·Geobiology ·Chadlin M. Ostrander,Christian J. Bjerrum,Anne‐Sofie C. Ahm,(unknown),Kristin Bergmann,Mohamed A. K. El‐Ghali,(unknown),(unknown),Sune G. Nielsen	17
6	Development of Iron Speciation Reference Materials for Palaeoredox Analysis 2020 ·Geostandards and Geoanalytical Research ·Lewis Alcott,Alexander J. Krause,Emma U. Hammarlund,Christian J. Bjerrum,Florian Scholz,Yijun Xiong,(unknown),Lesley Neve,Benjamin Mills,Christian März,Bernhard Schnetger,Andrey Bekker,Simon W. Poulton	53
7	Cold spells in the Nordic Seas during the early Eocene Greenhouse 2020 ·Nature Communications ·Madeleine L. Vickers,Sabine K. Lengger,Stefano M. Bernasconi,Nicolas Thibault,Bo Pagh Schultz,Álvaro Fernández,Clemens V. Ullmann,Paul McCormack,Christian J. Bjerrum,Jan Audun Rasmussen,(unknown),Christoph Korte	31
8	An early diagenetic deglacial origin for basal Ediacaran "cap dolostones" 2018 ·AGU Fall Meeting Abstracts ·(unknown),Adam C. Maloof,Francis A. Macdonald,Paul F. Hoffman,Christian J. Bjerrum,Uyanga Bold,Catherine Rose,Justin V. Strauss,John A. Higgins	1
9	Bioturbation and directionality in Earth's carbon isotope record across the Neoproterozoic–Cambrian transition 2018 ·Geobiology ·(unknown),Tais W. Dahl,Christian J. Bjerrum,Donald E. Canfield	30
10	Quantifying early marine diagenesis in shallow-water carbonate sediments 2018 ·Geochimica et Cosmochimica Acta ·Anne‐Sofie C. Ahm,Christian J. Bjerrum,Clara L. Blättler,Peter K. Swart,John A. Higgins	207
11	Sufficient oxygen for animal respiration 1,400 million years ago 2016 ·Proceedings of the National Academy of Sciences ·Shuichang Zhang,Xiaomei Wang,Huajian Wang,Christian J. Bjerrum,Emma U. Hammarlund,Maria Mafalda Costa,James N. Connelly,Baomin Zhang,Jin Su,Donald E. Canfield	289
12	Iron oxides, divalent cations, silica, and the early earth phosphorus crisis 2015 ·Geology ·CarriAyne Jones,Sulung Nomosatryo,Sean A. Crowe,Christian J. Bjerrum,Donald E. Canfield	182
13	Tracing euxinia by molybdenum concentrations in sediments using handheld X-ray fluorescence spectroscopy (HHXRF) 2013 ·Chemical Geology ·Tais W. Dahl,Micha Ruhl,Emma U. Hammarlund,Donald E. Canfield,Minik T. Rosing,Christian J. Bjerrum	76
14	A novel proxy links CAMP volcanism with end-Triassic mass extinction and early Jurassic evolution 2011 ·Research at the University of Copenhagen (University of Copenhagen) ·Micha Ruhl,Christian J. Bjerrum,Robert Frei	1
15	Goldschmidt Abstracts 2011 2011 ·Mineralogical Magazine ·(unknown),Christian J. Bjerrum,(unknown),(unknown)	18
16	Offshore pore fluid salinity estimation from downhole logging and petrophysical measurements 2010 ·HAL (Le Centre pour la Communication Scientifique Directe) ·Johanna Lofi,(unknown),(unknown),Christian J. Bjerrum,(unknown),(unknown),Takumi Hayashi,Michael J. Mottl,Susanne Stadler,Jean‐Noël Proust,Gregory S. Mountain	1
17	No climate paradox under the faint early Sun 2010 ·Nature ·Minik T. Rosing,Dennis K. Bird,Norman H. Sleep,Christian J. Bjerrum	151
18	Early anaerobic metabolisms 2006 ·Philosophical Transactions of the Royal Society B Biological Sciences ·Donald E. Canfield,Minik T. Rosing,Christian J. Bjerrum	286
19	Numerical paleoceanographic study of the Early Jurassic Transcontinental Laurasian Seaway 2001 ·Paleoceanography ·Christian J. Bjerrum,Finn Surlyk,J. H. Callomon,Rudy Slingerland	136
20	Onset of foreland -- Basin subsidence in the Middle Jurassic Utah -- Idaho trough, E Nevada and W Utah 1993 ·Geological Society of America, Abstracts with Programs; (United States) ·Christian J. Bjerrum,Rebecca J. Dorsey,(unknown)	1

About Christian J. Bjerrum

Christian J. Bjerrum is a scholar working on Paleontology, Geochemistry and Petrology and Atmospheric Science, having authored 54 papers that have together received 4.2k indexed citations. Recurring topics across this work include Paleontology and Stratigraphy of Fossils (32 papers), Geology and Paleoclimatology Research (28 papers) and Geochemistry and Elemental Analysis (13 papers). The work is most often cited by research in Paleontology (2.8k citations), Geochemistry and Petrology (1.4k citations) and Atmospheric Science (1.8k citations). Christian J. Bjerrum has collaborated with scholars based in Denmark, United States and United Kingdom. Frequent co-authors include Donald E. Canfield, Minik T. Rosing, Emma U. Hammarlund, Stephen P. Hesselbo, Owen R. Green, Darren R. Gröcke, Paul Farrimond, Hugh C. Jenkyns, Anne‐Sofie C. Ahm and Xiaomei Wang. Their work appears in journals such as Nature, Proceedings of the National Academy of Sciences and Nature Communications.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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