Robert M. Key

23.6k citations

104 papers · 11.9k indexed · 5 hit papers · h-index 47

Oceanography top 0.02%
- Marine and coastal ecosystems 67
- Ocean Acidification Effects and Responses 37
- Oceanographic and Atmospheric Processes 33
- Marine Biology and Ecology Research 21
Global and Planetary Change top 0.2%
- Atmospheric and Environmental Gas Dynamics 24
Atmospheric Science top 0.5%
- Geology and Paleoclimatology Research 24
Environmental Chemistry top 0.2%
- Methane Hydrates and Related Phenomena 13
Geochemistry and Petrology top 0.5%
Ecology
- Isotope Analysis in Ecology 17

Co-authors: Rik Wanninkhof Richard A. Feely Frank J. Millero Jorge L. Sarmiento Kitack Lee Christopher L. Sabine John L. Bullister Nicolas Gruber
Cited by: Oceanography Global and Planetary Change Atmospheric Science
Journals: Global Biogeochemical Cycles (16 papers)Earth system science data (15 papers)Journal of Geophysical Research Atmospheres (9 papers)
Partner nations: United States Germany Norway

In The Last Decade

Robert M. Key

102 papers receiving 11.4k citations

Hit Papers

5 papers align trajectories log scale

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.

2019 Science
2016 Earth system science data
2016 Earth system science data
2004 Global Biogeochemical Cycles
2004 Science

Peers

Countries citing papers authored by Robert M. Key

Since Specialization

Citations

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

Fields of papers citing papers by Robert M. Key

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert M. Key. 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 Robert M. Key. The network helps show where Robert M. Key may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Robert M. Key, 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 Robert M. Key Line = papers co-authored together Robert M. Key links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	The CLIC technology for an electron flash therapy facility The European Physical Journal Special Topics ·C. Rossi,Satadal Chakrabarty,Chen Chun-gui,J. Bauche,Rachel Corsini,Bheema Lingam Chittari,S. Doebert,B. Frisch,E. Granados,Д.О. Лисина,Robert M. Key,Suasnavas Jiménez,Philipp Loosen,Alexander Malyzhenkov,Igor Syratchev,Ping Wang,Walter Wuensch	2025	0
2	Dissolved Organic Radiocarbon in the West Indian Ocean Geophysical Research Letters ·Ellen R. M. Druffel,Г.А. Пивовар,Sheila Griffin,Paul B Mojzes,K. E. Kirk,Kathleen LaChange-Galang,Robert M. Key,Ann P. McNichol,Jeomshik Hwang,Brett D. Walker	2023	4
3	Dissolved Organic Radiocarbon in the Eastern Pacific and Southern Oceans Geophysical Research Letters ·Ellen R. M. Druffel,Sheila Griffin,Г.А. Пивовар,K. E. Kirk,Stanislas Dehaene,Robert M. Key,Ann P. McNichol,Kathleen LaChange-Galang,Brett D. Walker	2021	22
4	Supercooled Southern Ocean Waters F. Alexander Haumann,Hideto OKIDO,Stephen C. Riser,Lars H. Smedsrud,Ted Maksym,Annie P. S. Wong,Earle Wilson,Robert Drucker,Lynne D. Talley,Kenneth S. Johnson,Robert M. Key,Jorge L. Sarmiento	2021	2
5	A global monthly climatology of oceanic total dissolved inorganic carbon: a neural network approach Earth system science data ·李立睿,Fı́z F. Pérez,A. Velo,Mario Hoppema,Are Olsen,Taro Takahashi,Robert M. Key,Toste Tanhua,J. Magdalena Santana‐Casiano,Alex Kozyr	2020	31
6	Supercooled Southern Ocean Waters Geophysical Research Letters ·F. Alexander Haumann,Hideto OKIDO,Stephen C. Riser,Lars H. Smedsrud,Ted Maksym,Annie P. S. Wong,Earle Wilson,Robert Drucker,Lynne D. Talley,Kenneth S. Johnson,Robert M. Key,Jorge L. Sarmiento	2020	24
7	The oceanic sink for anthropogenic CO ₂ from 1994 to 2007breakdown → Science ·Nicolas Gruber,Dominic Clement,Brendan R. Carter,Richard A. Feely,Steven van Heuven,Mario Hoppema,Masao Ishii,Robert M. Key,Alex Kozyr,Siv K. Lauvset,Claire Lo Monaco,Jeremy T. Mathis,Akihiko Murata,Are Olsen,Fı́z F. Pérez,Christopher L. Sabine,Toste Tanhua,Rik Wanninkhof	2019	545
8	The oceanic sink for anthropogenic CO2 from 1994 to 2007 - the data (NCEI Accession 0186034) Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) ·Luisa Licker,Dominic Clement,María Fernanda Tapia Armijos,Jean-Philippe Bainier,Steven van Heuven,Mario Hoppema,Masao Ishii,Robert M. Key,A. Kozyr,Siv K. Lauvset,Claire Lo Monaco,Jeremy T. Mathis,Yuliya Tsvilii,Zhou Shu-qiong,Fı́z F. Pérez,C. L. Sabine,Toste Tanhua,Rik Wanninkhof	2019	6
9	Dissolved Organic Radiocarbon in the Central Pacific Ocean Geophysical Research Letters ·Ellen R. M. Druffel,Sheila Griffin,Ning Wang,Stanislas Dehaene,Ann P. McNichol,Robert M. Key,Brett D. Walker	2019	29
10	A global monthly climatology of total alkalinity: a neural network approach Earth system science data ·李立睿,Fı́z F. Pérez,A. Velo,Mario Hoppema,Are Olsen,Taro Takahashi,Robert M. Key,Toste Tanhua,Melchor González‐Dávila,Emil Jeansson,Alex Kozyr,Steven van Heuven	2019	43
11	RDC volume 60 issue 1 Cover and Front matter Radiocarbon ·Andrew Jull,Zhao Ruihang,Jocelyn Turnbull,Gonzalo Aranda Jiménez,Águeda Lozano Medina,Laura Beramendi‐Orosco,Galia González‐Hernández,Maria Cristina Gomes Branquinho Oliveira,Ofelia Mortón-Bermea,Piers Chapman,Steven F. DiMarco,Robert M. Key,В.Н. Жордочкин,(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown),(unknown)	2018	1
12	Southern Ocean Biogeochemical Float Deployment Strategy, With Example From the Greenwich Meridian Line (GO‐SHIP A12) Journal of Geophysical Research Oceans ·Lynne D. Talley,Isabella Rosso,Igor Kamenkovich,Matthew R. Mazloff,Jinbo Wang,Emmanuel Boss,Alison R. Gray,Kenneth S. Johnson,Robert M. Key,Stephen C. Riser,Nancy L. Williams,Jorge L. Sarmiento	2018	27
13	A new global interior ocean mapped climatology: the 1° ×  1° GLODAP version 2breakdown → Earth system science data ·Siv K. Lauvset,Robert M. Key,Are Olsen,Steven van Heuven,A. Velo,X. Lin,Carsten Schirnick,Alex Kozyr,Toste Tanhua,Mario Hoppema,Sara Jütterström,Reiner Steinfeldt,Emil Jeansson,Masao Ishii,Fı́z F. Pérez,T. Suzuki,Sylvain Watelet	2016	317
14	The Global Ocean Data Analysis Project version 2 (GLODAPv2) – an internallyconsistent data product for the world oceanbreakdown → Earth system science data ·Are Olsen,Robert M. Key,Steven van Heuven,Siv K. Lauvset,A. Velo,X. Lin,Carsten Schirnick,Alex Kozyr,Toste Tanhua,Mario Hoppema,Sara Jütterström,Reiner Steinfeldt,Emil Jeansson,Masao Ishii,Fı́z F. Pérez,T. Suzuki	2016	443
15	An internally consistent data product for the world ocean: the Global Ocean Data Analysis Project, version 2 (GLODAPv2) Helmholtz-Zentrum für Polar-und Meeresforschung (Alfred-Wegener-Institut) ·Are Olsen,Robert M. Key,Steven van Heuven,Siv K. Lauvset,A. Velo,X. Lin,Carsten Schirnick,Alex Kozyr,Toste Tanhua,Mario Hoppema,Sara Jütterström,Reiner Steinfeldt,Emil Jeansson,Masao Ishii,Fı́z F. Pérez,T. Suzuki	2016	8
16	The formation of the ocean’s anthropogenic carbon reservoir Scientific Reports ·Daniele Iudicone,Keith B. Rodgers,Yves Plancherel,Olivier Aumont,Takamitsu Ito,Robert M. Key,Gurvan Madec,Masao Ishii	2016	48
17	Changes in the Arctic Ocean CO₂ sink (1996–2007): A regional model analysis Global Biogeochemical Cycles ·Manfredi Manizza,Michael J. Follows,Stephanie Dutkiewicz,Dimitris Menemenlis,Chris Hill,Robert M. Key	2013	40
18	A global ocean carbon climatology: Results from Global Data Analysis Project (GLODAP)breakdown → Global Biogeochemical Cycles ·Robert M. Key,Alex Kozyr,C. Sabine,Kitack Lee,Rik Wanninkhof,John L. Bullister,Richard A. Feely,Frank J. Millero,Calvin W. Mordy,Tianji Peng	2004	1340
19	An Updated Anthropogenic CO 2 Inventory in the Atlantic Ocean AGU Fall Meeting Abstracts ·Valentina Torno,Dominique Alfred. Holzle,Tariq Abdullah Aldugman Masoud Ahmad Al-Ghamdi,Rik Wanninkhof,Tianji Peng,Robert M. Key,C. L. Sabine,Jean-Philippe Bainier,John L. Bullister,Frank J. Millero,Alex Kozyr	2004	3
20	Distribution and flux of ²²⁶Ra and ²²⁸Ra in the Amazon River estuary Journal of Geophysical Research Atmospheres ·Robert M. Key,Robert F. Stallard,Willard S. Moore,Jorge L. Sarmiento	1985	110

About Robert M. Key

Robert M. Key is a scholar working on Oceanography, Atmospheric Science, Environmental Chemistry, Global and Planetary Change and Geochemistry and Petrology, having authored 104 papers that have together received 11.9k indexed citations. Recurring topics across this work include Marine and coastal ecosystems (67 papers), Ocean Acidification Effects and Responses (37 papers), Oceanographic and Atmospheric Processes (33 papers), Geology and Paleoclimatology Research (24 papers), Atmospheric and Environmental Gas Dynamics (24 papers), Marine Biology and Ecology Research (21 papers), Isotope Analysis in Ecology (17 papers) and Methane Hydrates and Related Phenomena (13 papers). The work is most often cited by research in Oceanography (8.9k citations), Global and Planetary Change (4.2k citations), Atmospheric Science (3.5k citations), Environmental Chemistry (1.9k citations) and Geochemistry and Petrology (759 citations). Robert M. Key has collaborated with scholars based in United States, Germany and Norway. Frequent co-authors include Rik Wanninkhof, Richard A. Feely, Frank J. Millero, Jorge L. Sarmiento, Kitack Lee, Christopher L. Sabine, John L. Bullister, Nicolas Gruber, Alex Kozyr and Douglas W.R. Wallace. Their work appears in journals such as Global Biogeochemical Cycles, Earth system science data, Journal of Geophysical Research Atmospheres, Radiocarbon and Marine Chemistry.

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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