James C. Orr

20.3k citations

134 papers · 8.5k indexed · 3 hit papers · h-index 39

Impact in

Oceanography top 0.05%
- Ocean Acidification Effects and Responses
- Marine and coastal ecosystems
- Marine Biology and Ecology Research
- Oceanographic and Atmospheric Processes
Global and Planetary Change top 0.2%
- Marine Bivalve and Aquaculture Studies
- Atmospheric and Environmental Gas Dynamics
- Climate variability and models

Papers in

Oceanography 72
- Marine and coastal ecosystems 45
- Ocean Acidification Effects and Responses 38
- Oceanographic and Atmospheric Processes 24
- Marine Biology and Ecology Research 18
Global and Planetary Change 54
- Atmospheric and Environmental Gas Dynamics 30
- Climate variability and models 17

Co-authors: Richard A. Feely Victoria J. Fabry Brad A. Seibel Jorge L. Sarmiento Laurent Bopp P. Monfray Olivier Aumont Marion Gehlen
Journals: Biogeosciences (11 papers)Global Biogeochemical Cycles (9 papers)Journal of Geophysical Research Atmospheres (6 papers)The Journal of Organic Chemistry (6 papers)Steroids (5 papers)
Partner nations: France United States Germany

In The Last Decade

James C. Orr

132 papers receiving 8.1k citations

Hit Papers

align trajectories log scale

Routine uncertainty propagation for the marine carbon dioxide system 2018 · 242 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2018 Marine Chemistry
2013 Biogeosciences
2008 ICES Journal of Marine Science

Peers

Countries citing papers authored by James C. Orr

Since Specialization

Citations

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

Fields of papers citing papers by James C. Orr

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside James C. Orr, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with James C. Orr Line = papers co-authored together James C. Orr links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Technical note: Interpreting pH changes Biogeosciences ·Andrea J. Fassbender, James C. Orr, Andrew G. Dickson	2021	37
2	Evaluation of Data‐Based Estimates of Anthropogenic Carbon in the Arctic Ocean Journal of Geophysical Research Oceans ·Jens Terhaar, Toste Tanhua, 马资敏, James C. Orr, Laurent Bopp	2020	12
3	Simulated Arctic Ocean Response to Doubling of Riverine Carbon and Nutrient Delivery Global Biogeochemical Cycles ·Jens Terhaar, James C. Orr, Christian Éthé, P. Régnier, Laurent Bopp	2019	41
4	Model constraints on the anthropogenic carbon budget of the Arctic Ocean Biogeosciences ·Jens Terhaar, James C. Orr, Marion Gehlen, Christian Éthé, Laurent Bopp	2019	24
5	Biogeochemical response of the Mediterranean Sea to the transient SRES-A2 climate change scenario Biogeosciences ·Camille Richon, Jean‐Claude Dutay, Laurent Bopp, Briac Le Vu, James C. Orr, Samuel Somot, François Dulac	2019	34
6	Coastal-ocean uptake of anthropogenic carbon Biogeosciences ·Timothée Bourgeois, James C. Orr, Laure Resplandy, Jens Terhaar, Christian Éthé, Marion Gehlen, Laurent Bopp	2016	73
7	Inconsistent strategies to spin up models in CMIP5: implications for ocean biogeochemical model performance assessment Geoscientific model development ·Roland Séférian, Marion Gehlen, Laurent Bopp, Laure Resplandy, James C. Orr, Olivier Marti, John P. Dunne, James R. Christian, Scott C. Doney, Tatiana Ilyina, Keith Lindsay, Paul R. Halloran, Christoph Heinze, Joachim Segschneider, Jerry Tjiputra, Olivier Aumont, Anastasia Romanou	2016	67
8	Improved routines to model the ocean carbonate system: mocsy 2.0 Geoscientific model development ·James C. Orr, Jean-Marie Epitalon	2015	91
9	Comparison of ten packages that compute ocean carbonate chemistry Biogeosciences ·James C. Orr, Jean-Marie Epitalon, Jean‐Pierre Gattuso	2015	101
10	Projected pH reductions by 2100 might put deep North Atlantic biodiversity at risk Marion Gehlen, Roland Séférian, Daniel O. B. Jones, Tilla Roy, Nursanda Muklas, JP Barry, Laurent Bopp, Scott C. Doney, John P. Dunne, Christoph Heinze, Fortunat Joos, James C. Orr, Laure Resplandy, Monica Hawthorne, Jerry Tjiputra	2014	27
11	Projected pH reductions by 2100 might put deep North Atlantic biodiversity at risk Biogeosciences ·Marion Gehlen, Roland Séférian, Daniel O. B. Jones, Tilla Roy, Nursanda Muklas, James Barry, Laurent Bopp, Scott C. Doney, John P. Dunne, Christoph Heinze, Fortunat Joos, James C. Orr, Laure Resplandy, Joachim Segschneider, Jerry Tjiputra	2014	37
12	Oxygen and indicators of stress for marine life in multi-model global warming projections Biogeosciences ·J.E. Fouquet, Fortunat Joos, M. Steinacher, Thomas L. Frölicher, Laurent Bopp, John P. Dunne, Marion Gehlen, Christoph Heinze, James C. Orr, Andreas Oschlies, Birgit Schneider, Joachim Segschneider, Jerry Tjiputra	2013	142
13	EPOCA/EUR-OCEANS data compilation on the biological and biogeochemical responses to ocean acidification Earth system science data ·Rika Dwi Mastuti, Stéphane Pesant, R. G. J. Bellerby, Bruno Delille, Jack J. Middelburg, James C. Orr, Ulf Riebesell, Toby Tyrrell, Dieter Wolf‐Gladrow, Jean‐Pierre Gattuso	2010	22
14	EPOCA/EUR-OCEANS data-mining compilation on the impacts of ocean acidification Rika Dwi Mastuti, Stéphane Pesant, R. G. J. Bellerby, Bruno Delille, Jack J. Middelburg, James C. Orr, Ulf Riebesell, Toby Tyrrell, Dieter Wolf‐Gladrow, Jean‐Pierre Gattuso	2010	5
15	Seasonal and mesoscale variability of oceanic transport of anthropogenic CO ₂ Biogeosciences ·Zouhair Lachkar, James C. Orr, Jean‐Claude Dutay	2009	12
16	The role of ocean transport in the uptake of anthropogenic CO ₂ Biogeosciences ·Long Cao, Michael Eby, Andy Ridgwell, Ken Caldeira, David Archer, Akio Ishida, Fortunat Joos, Katsumi Matsumoto, Uwe Mikolajewicz, Anne Mouchet, James C. Orr, Gian‐Kasper Plattner, Reiner Schlitzer, K. Tokos, I. J. Totterdell, T. Tschumi, Yasuhiro Yamanaka, Andrew Yool	2009	88
17	Effects of mesoscale eddies on global ocean distributions of CFC-11, CO ₂ , and Δ ¹⁴ C Ocean science ·Zouhair Lachkar, James C. Orr, Jean‐Claude Dutay, P. Delécluse	2007	32
18	Interannual-to-decadal variability of North Atlantic air-sea CO ₂ fluxes Ocean science ·Stéphane Raynaud, James C. Orr, Olivier Aumont, Devia Virena, В. П. Гринин	2006	12
19	The effect of patient gait on the material properties of UHMWPE in hip replacements Biomaterials ·S. Kim, James C. Orr, Fraser Buchanan, John F. Nixon, Damien Bennett	2005	20
20	The 20α‐hydroxysteroid dehydrogenase of Streptomyces hydrogenans European Journal of Biochemistry ·Alia Nadhirah Idris, Hung-Chih Cho, Masrini, James C. Orr	1988	5

About James C. Orr

James C. Orr is a scholar working on Oceanography, Global and Planetary Change, Environmental Chemistry, Pharmaceutical Science and Atmospheric Science, having authored 134 papers that have together received 8.5k indexed citations. Recurring topics across this work include Marine and coastal ecosystems (45 papers), Ocean Acidification Effects and Responses (38 papers), Atmospheric and Environmental Gas Dynamics (30 papers), Oceanographic and Atmospheric Processes (24 papers), Steroid Chemistry and Biochemistry (20 papers), Marine Biology and Ecology Research (18 papers), Climate variability and models (17 papers) and Analytical Chemistry and Chromatography (9 papers). The work is most often cited by research in Oceanography (5.9k citations), Global and Planetary Change (4.0k citations), Ecology (2.3k citations), Atmospheric Science (1.4k citations) and Environmental Chemistry (608 citations). James C. Orr has collaborated with scholars based in France, United States and Germany. Frequent co-authors include Richard A. Feely, Victoria J. Fabry, Brad A. Seibel, Jorge L. Sarmiento, Laurent Bopp, P. Monfray, Olivier Aumont, Marion Gehlen, Jean-Marie Epitalon and John P. Dunne. Their work appears in journals such as Biogeosciences, Global Biogeochemical Cycles, Journal of Geophysical Research Atmospheres, The Journal of Organic Chemistry and Steroids.

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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