Ralph F. Keeling

25.8k total citations · 2 hit papers
153 papers, 9.1k citations indexed

About

Ralph F. Keeling is a scholar working on Global and Planetary Change, Atmospheric Science and Oceanography. According to data from OpenAlex, Ralph F. Keeling has authored 153 papers receiving a total of 9.1k indexed citations (citations by other indexed papers that have themselves been cited), including 127 papers in Global and Planetary Change, 87 papers in Atmospheric Science and 58 papers in Oceanography. Recurrent topics in Ralph F. Keeling's work include Atmospheric and Environmental Gas Dynamics (119 papers), Atmospheric Ozone and Climate (47 papers) and Marine and coastal ecosystems (46 papers). Ralph F. Keeling is often cited by papers focused on Atmospheric and Environmental Gas Dynamics (119 papers), Atmospheric Ozone and Climate (47 papers) and Marine and coastal ecosystems (46 papers). Ralph F. Keeling collaborates with scholars based in United States, Germany and United Kingdom. Ralph F. Keeling's co-authors include Nicolas Gruber, Arne Körtzinger, Britton B. Stephens, Martin Heimann, Stephen C. Piper, Stephen Shertz, Heather Graven, Pieter P. Tans, Hernan E. Garcia and Andrew C. Manning and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Ralph F. Keeling

152 papers receiving 8.7k 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.

Ocean Deoxygenation in a Warming World

2009 1.2k citations Ralph F. Keeling, Arne Körtzinger et al. Annual Review of Marine Science profile →
Enhanced seasonal CO ₂ exchange caused by amplified plant productivity in northern ecosystems

2016 321 citations Matthias Forkel, Nuno Carvalhais et al. Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ralph F. Keeling United States	45	5.6k	4.2k	3.4k	1.6k	823	153	9.1k
Jasmin G. John United States	34	5.2k 0.9×	3.1k 0.7×	2.9k 0.9×	1.4k 0.9×	621 0.8×	70	8.0k
Keith Lindsay United States	44	4.9k 0.9×	3.0k 0.7×	4.5k 1.3×	1.4k 0.9×	743 0.9×	93	8.4k
Thierry Fichefet Belgium	40	4.7k 0.8×	6.7k 1.6×	2.3k 0.7×	879 0.6×	939 1.1×	125	8.9k
Aixue Hu United States	47	6.1k 1.1×	5.7k 1.3×	3.6k 1.0×	688 0.4×	649 0.8×	135	8.9k
Eduardo Zorita Germany	55	7.2k 1.3×	6.9k 1.6×	2.0k 0.6×	738 0.5×	374 0.5×	215	9.9k
R. L. Langenfelds Australia	41	6.1k 1.1×	5.4k 1.3×	956 0.3×	1.2k 0.7×	919 1.1×	98	8.3k
Michael Eby Canada	38	3.8k 0.7×	3.4k 0.8×	2.1k 0.6×	751 0.5×	905 1.1×	89	6.3k
J. Keith Moore United States	50	3.6k 0.6×	3.3k 0.8×	7.5k 2.2×	2.7k 1.7×	1.1k 1.3×	89	10.4k
Gerhard Krinner France	49	5.2k 0.9×	7.5k 1.8×	774 0.2×	1.7k 1.1×	611 0.7×	141	10.5k
Martin Claußen Germany	54	7.8k 1.4×	8.0k 1.9×	1.1k 0.3×	1.7k 1.1×	865 1.1×	196	12.2k

Countries citing papers authored by Ralph F. Keeling

Since Specialization

Citations

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

Fields of papers citing papers by Ralph F. Keeling

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ralph F. Keeling. 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 Ralph F. Keeling. The network helps show where Ralph F. Keeling may publish in the future.

Co-authorship network of co-authors of Ralph F. Keeling

This figure shows the co-authorship network connecting the top 25 collaborators of Ralph F. Keeling. A scholar is included among the top collaborators of Ralph F. Keeling 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 Ralph F. Keeling. Ralph F. Keeling 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

Stephens, Britton B., R. Commane, Frédéric Chevallier, et al.. (2023). Evaluating Northern Hemisphere Growing Season Net Carbon Flux in Climate Models Using Aircraft Observations. Global Biogeochemical Cycles. 37(2). 1 indexed citations

Morgan, Eric J., et al.. (2023). Short-term variability of atmospheric helium revealed through a cryo-enrichment method. Atmospheric measurement techniques. 16(6). 1551–1561.

Rödenbeck, Christian, Tim DeVries, Judith Hauck, Corinne Le Quéré, & Ralph F. Keeling. (2022). Data-based estimates of interannual sea–air CO ₂ flux variations 1957–2020 and their relation to environmental drivers. Biogeosciences. 19(10). 2627–2652. 33 indexed citations

Morgan, Eric J., Manfredi Manizza, Ralph F. Keeling, et al.. (2021). An Atmospheric Constraint on the Seasonal Air‐Sea Exchange of Oxygen and Heat in the Extratropics. Journal of Geophysical Research Oceans. 126(8). 4 indexed citations

Paplawsky, W., et al.. (2021). A method for resolving changes in atmospheric He ∕ N ₂ as an indicator of fossil fuel extraction and stratospheric circulation. Atmospheric measurement techniques. 14(3). 2515–2527. 2 indexed citations

Jin, Yuming, Ralph F. Keeling, Eric J. Morgan, et al.. (2020). A mass-weighted atmospheric isentropic coordinate for mapping chemical tracers and computing inventories. 2 indexed citations

Asher, Elizabeth, Rebecca S. Hornbrook, Britton B. Stephens, et al.. (2019). Using airborne observations to improve estimates of short-lived halocarbon emissions during summer from Southern Ocean. 2 indexed citations

Nevison, C. D., David R. Munro, Nicole S. Lovenduski, et al.. (2018). Net Community Production in the Southern Ocean: Insights From Comparing Atmospheric Potential Oxygen to Satellite Ocean Color Algorithms and Ocean Models. Geophysical Research Letters. 45(19). 7 indexed citations

Keeling, Ralph F., Heather Graven, L. R. Welp, et al.. (2016). Atmospheric evidence for a global secular increase in isotopic discrimination of land photosynthesis. AGUFM. 2016. 1 indexed citations

10.

Forkel, Matthias, Nuno Carvalhais, Christian Rödenbeck, et al.. (2016). Enhanced seasonal CO ₂ exchange caused by amplified plant productivity in northern ecosystems. Science. 351(6274). 696–699. 321 indexed citations breakdown →

11.

Welp, L. R., Prabir K. Patra, Christian Rödenbeck, et al.. (2016). Increasing summer net CO ₂ uptake in high northern ecosystems inferredfrom atmospheric inversions and comparisons to remote-sensing NDVI. Atmospheric chemistry and physics. 16(14). 9047–9066. 30 indexed citations

12.

Rodgers, Keith B., Olivier Aumont, S. E. Mikaloff Fletcher, et al.. (2014). Strong sensitivity of Southern Ocean carbon uptake and nutrient cycling to wind stirring. Biogeosciences. 11(15). 4077–4098. 32 indexed citations

13.

Rödenbeck, Christian, Dorothée C. E. Bakker, Nicolas Metzl, et al.. (2014). Interannual sea–air CO ₂ flux variability from an observation-driven ocean mixed-layer scheme. Biogeosciences. 11(17). 4599–4613. 105 indexed citations

14.

Welp, L. R., et al.. (2013). Trends in carbon isotope fractionation in atmospheric carbon dioxide constrain water use efficiency of northern ecosystems from the 1980s to 2010. AGU Fall Meeting Abstracts. 2013. 1 indexed citations

15.

Graven, Heather, Ralph F. Keeling, Stephen C. Piper, et al.. (2013). Enhanced Seasonal Exchange of CO ₂ by Northern Ecosystems Since 1960. Science. 341(6150). 1085–1089. 292 indexed citations

16.

Piper, Stephen C., et al.. (2009). Climate effects on atmospheric carbon dioxide over the last century. Tellus B. 61(5). 718–718. 29 indexed citations

17.

Keeling, Ralph F., Arne Körtzinger, & Nicolas Gruber. (2009). Ocean Deoxygenation in a Warming World. Annual Review of Marine Science. 2(1). 199–229. 1203 indexed citations breakdown →

18.

Hamme, Roberta C., Ralph F. Keeling, & W. Paplawsky. (2006). Explaining observed variability in the interhemispheric gradient of atmospheric potential oxygen. AGUFM. 2006. 1 indexed citations

19.

Keeling, Ralph F., et al.. (2006). An improved inlet for precisely measuring the atmospheric Ar/N ₂ ratio. Atmospheric chemistry and physics. 6(5). 1181–1184. 32 indexed citations

20.

Keeling, Ralph F.. (1988). Development of an interferometric oxygen analyzer for precise measurement of the atmospheric O[2] mole fraction. UMI eBooks. 80 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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