James R. Christian

11.8k total citations · 3 hit papers
72 papers, 5.6k citations indexed

About

James R. Christian is a scholar working on Oceanography, Global and Planetary Change and Atmospheric Science. According to data from OpenAlex, James R. Christian has authored 72 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Oceanography, 34 papers in Global and Planetary Change and 20 papers in Atmospheric Science. Recurrent topics in James R. Christian's work include Marine and coastal ecosystems (48 papers), Oceanographic and Atmospheric Processes (30 papers) and Atmospheric and Environmental Gas Dynamics (18 papers). James R. Christian is often cited by papers focused on Marine and coastal ecosystems (48 papers), Oceanographic and Atmospheric Processes (30 papers) and Atmospheric and Environmental Gas Dynamics (18 papers). James R. Christian collaborates with scholars based in Canada, United States and Germany. James R. Christian's co-authors include David M. Karl, John E. Dore, Ricardo M. Letelier, Dale V. Hebel, Raghu Murtugudde, Charles R. McClain, Kenneth L. Denman, Sérgio R. Signorini, G. J. Boer and Vivek K. Arora and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Geophysical Research Atmospheres.

In The Last Decade

James R. Christian

70 papers receiving 5.4k 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.

The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean

1997 758 citations James R. Christian et al. profile →
Carbon emission limits required to satisfy future representative concentration pathways of greenhouse gases

2011 700 citations Vivek K. Arora, John Scinocca et al. Geophysical Research Letters profile →
Carbon–Concentration and Carbon–Climate Feedbacks in CMIP5 Earth System Models

2013 512 citations Vivek K. Arora, G. J. Boer et al. Journal of Climate profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
James R. Christian Canada	33	3.7k	2.5k	1.7k	1.4k	477	72	5.6k
Peter G. Strutton Australia	42	4.1k 1.1×	2.1k 0.8×	1.5k 0.9×	1.4k 1.0×	510 1.1×	105	5.5k
Volker Mohrholz Germany	32	3.1k 0.8×	1.5k 0.6×	1.4k 0.8×	1.0k 0.7×	666 1.4×	87	4.3k
Stephanie Henson United Kingdom	46	5.1k 1.4×	2.2k 0.9×	2.2k 1.3×	956 0.7×	588 1.2×	105	6.4k
Toshiro Saino Japan	41	3.5k 1.0×	1.5k 0.6×	2.2k 1.3×	755 0.5×	503 1.1×	131	4.6k
Andrew Yool United Kingdom	41	3.3k 0.9×	1.8k 0.7×	1.4k 0.9×	1.6k 1.1×	724 1.5×	107	5.1k
Fı́z F. Pérez Spain	46	6.7k 1.8×	2.7k 1.1×	1.6k 0.9×	1.7k 1.2×	829 1.7×	216	8.0k
Temel Oǧuz Türkiye	41	3.8k 1.0×	1.4k 0.6×	1.1k 0.7×	843 0.6×	339 0.7×	90	4.8k
Mangesh Gauns India	32	2.8k 0.8×	1.3k 0.5×	1.3k 0.8×	631 0.4×	512 1.1×	114	3.8k
Kai G. Schulz Australia	43	5.0k 1.4×	1.7k 0.7×	1.7k 1.0×	669 0.5×	532 1.1×	148	6.0k
Denis Gilbert Canada	28	2.9k 0.8×	1.3k 0.5×	1.2k 0.7×	638 0.4×	592 1.2×	53	4.1k

Countries citing papers authored by James R. Christian

Since Specialization

Citations

This map shows the geographic impact of James R. Christian'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 James R. Christian with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James R. Christian more than expected).

Fields of papers citing papers by James R. Christian

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James R. Christian. 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 James R. Christian. The network helps show where James R. Christian may publish in the future.

Co-authorship network of co-authors of James R. Christian

This figure shows the co-authorship network connecting the top 25 collaborators of James R. Christian. A scholar is included among the top collaborators of James R. Christian 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 James R. Christian. James R. Christian 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

Shao, Andrew, et al.. (2025). Clustering to Characterize Extreme Marine Conditions for the Benthic Region of the Northeastern Pacific Continental Margin. Geophysical Research Letters. 52(10). 2 indexed citations

Keller, David P., James R. Christian, Jasmin G. John, et al.. (2025). Degrees of reversibility of ocean deoxygenation in an atmospheric carbon dioxide removal scenario. Environmental Research Letters. 20(8). 84051–84051.

VanBommel, S. J., T. V. Kizovski, Christopher M. Heirwegh, et al.. (2024). Rare earth element assessment in Jezero crater using the Planetary Instrument for X-ray Lithochemistry on the Mars 2020 rover Perseverance: A case study of cerium. Icarus. 425. 116355–116355. 3 indexed citations

Kwiatkowski, Lester, Laurent Bopp, Olivier Torres, et al.. (2023). The representation of alkalinity and the carbonate pump from CMIP5 to CMIP6 Earth system models and implications for the carbon cycle. Biogeosciences. 20(7). 1195–1257. 23 indexed citations

Johannessen, Sophia C. & James R. Christian. (2023). Why blue carbon cannot truly offset fossil fuel emissions. Communications Earth & Environment. 4(1). 19 indexed citations

Christian, James R., Kenneth L. Denman, Hakase Hayashida, et al.. (2022). Ocean biogeochemistry in the Canadian Earth System Model version 5.0.3: CanESM5 and CanESM5-CanOE. Geoscientific model development. 15(11). 4393–4424. 34 indexed citations

Sospedra‐Alfonso, Reinel, William J. Merryfield, G. J. Boer, et al.. (2021). Decadal climate predictions with the Canadian Earth System Model version 5 (CanESM5). Geoscientific model development. 14(11). 6863–6891. 23 indexed citations

Christian, James R., Kenneth L. Denman, Hakase Hayashida, et al.. (2021). Ocean biogeochemistry in the Canadian Earth System Model version 5.0.3: CanESM5 and CanESM5-CanOE. 3 indexed citations

Ianson, Debby, Tetjana Ross, Roberta C. Hamme, et al.. (2021). Anthropogenic and Climatic Contributions to Observed Carbon System Trends in the Northeast Pacific. Global Biogeochemical Cycles. 35(7). 29 indexed citations

10.

Hayashida, Hakase, James R. Christian, Xianmin Hu, et al.. (2019). CSIB v1 (Canadian Sea-ice Biogeochemistry): a sea-ice biogeochemical model for the NEMO community ocean modelling framework. Geoscientific model development. 12(5). 1965–1990. 16 indexed citations

11.

Hayashida, Hakase, James R. Christian, Xianmin Hu, et al.. (2018). CSIB v1: a sea-ice biogeochemical model for the NEMO communityocean modelling framework. Biogeosciences (European Geosciences Union). 2 indexed citations

12.

Tesdal, Jan‐Erik, James R. Christian, Adam H. Monahan, & Knut von Salzen. (2016). Sensitivity of modelled sulfate aerosol and its radiative effect on climate to ocean DMS concentration and air–sea flux. Atmospheric chemistry and physics. 16(17). 10847–10864. 14 indexed citations

13.

Séférian, Roland, Marion Gehlen, Laurent Bopp, et al.. (2016). Inconsistent strategies to spin up models in CMIP5: implications for ocean biogeochemical model performance assessment. Geoscientific model development. 9(5). 1827–1851. 67 indexed citations

14.

Tesdal, Jan‐Erik, James R. Christian, Adam H. Monahan, & Knut von Salzen. (2015). Sensitivity of modelled sulfate radiative forcing to DMS concentration and air-sea flux formulation. 4 indexed citations

15.

Schwinger, Jörg, Jerry Tjiputra, Christoph Heinze, et al.. (2014). Nonlinearity of Ocean Carbon Cycle Feedbacks in CMIP5 Earth System Models. Journal of Climate. 27(11). 3869–3888. 63 indexed citations

16.

Janssen, David J., Tim M. Conway, Seth G. John, et al.. (2014). Undocumented water column sink for cadmium in open ocean oxygen-deficient zones. Proceedings of the National Academy of Sciences. 111(19). 6888–6893. 133 indexed citations

17.

Christian, James R., Vivek K. Arora, G. J. Boer, et al.. (2010). The global carbon cycle in the Canadian Earth system model (CanESM1): Preindustrial control simulation. Journal of Geophysical Research Atmospheres. 115(G3). 62 indexed citations

18.

Christian, James R.. (2005). Biogeochemical cycling in the oligotrophic ocean: Redfield and non-Redfield models. Limnology and Oceanography. 50(2). 646–657. 46 indexed citations

19.

McClain, Charles R., Sérgio R. Signorini, & James R. Christian. (2004). Subtropical gyre variability observed by ocean-color satellites. Deep Sea Research Part II Topical Studies in Oceanography. 51(1-3). 281–301. 195 indexed citations

20.

Hernández-Ramos, José L., et al.. (2002). Atmospheric Iron Flux and Surface Chlorophyll at South Atlantic Ocean: A Case Study Near Patagonia. AGUFM. 2002. 1 indexed citations

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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