John Bargar

18.9k total citations · 4 hit papers
240 papers, 15.7k citations indexed

About

John Bargar is a scholar working on Inorganic Chemistry, Geochemistry and Petrology and Global and Planetary Change. According to data from OpenAlex, John Bargar has authored 240 papers receiving a total of 15.7k indexed citations (citations by other indexed papers that have themselves been cited), including 122 papers in Inorganic Chemistry, 83 papers in Geochemistry and Petrology and 57 papers in Global and Planetary Change. Recurrent topics in John Bargar's work include Radioactive element chemistry and processing (122 papers), Geochemistry and Elemental Analysis (74 papers) and Iron oxide chemistry and applications (32 papers). John Bargar is often cited by papers focused on Radioactive element chemistry and processing (122 papers), Geochemistry and Elemental Analysis (74 papers) and Iron oxide chemistry and applications (32 papers). John Bargar collaborates with scholars based in United States, Switzerland and France. John Bargar's co-authors include Bradley M. Tebo, Garrison Sposito, Gordon E. Brown, James Davis, Samuel M. Webb, Mario Villalobos, Rizlan Bernier‐Latmani, G.A. Parks, Gregory J. Dick and Kate Maher and has published in prestigious journals such as Chemical Reviews, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

John Bargar

234 papers receiving 15.5k citations

Hit Papers

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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.

Identification of Highly Active Fe Sites in (Ni,Fe)OOH for Electrocatalytic Water Splitting

2015 2.3k citations John Bargar et al. profile →
BIOGENIC MANGANESE OXIDES: Properties and Mechanisms of Formation

2004 1.1k citations Bradley M. Tebo, John Bargar et al. profile →
Characterization of the manganese oxide produced by pseudomonas putida strain MnB1

2003 561 citations John Bargar, Garrison Sposito et al. profile →
Thermodynamically controlled preservation of organic carbon in floodplains

2017 258 citations Kristin Boye, Vincent Noël et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
John Bargar	6.5k	5.3k	4.0k	2.2k	2.1k	240	15.7k
John M. Zachara	7.0k 1.1×	4.3k 0.8×	3.3k 0.8×	4.5k 2.0×	2.4k 1.1×	265	23.3k
Jonathan R. Lloyd	3.9k 0.6×	2.4k 0.5×	1.1k 0.3×	4.2k 1.9×	1.2k 0.5×	322	14.5k
Gordon E. Brown	3.1k 0.5×	2.4k 0.4×	4.0k 1.0×	3.9k 1.8×	726 0.3×	213	15.9k
George W. Luther	2.2k 0.3×	5.9k 1.1×	1.3k 0.3×	5.3k 2.4×	776 0.4×	288	22.4k
Chongxuan Liu	3.5k 0.5×	1.7k 0.3×	1.2k 0.3×	1.7k 0.8×	529 0.2×	235	10.2k
Yoshio Takahashi	3.3k 0.5×	3.8k 0.7×	848 0.2×	2.9k 1.3×	438 0.2×	494	13.6k
Laurent Charlet	2.9k 0.4×	2.5k 0.5×	2.5k 0.6×	5.6k 2.5×	371 0.2×	245	16.9k
Andreas C. Scheinost	4.6k 0.7×	1.4k 0.3×	1.6k 0.4×	1.9k 0.9×	620 0.3×	215	10.8k
Andreas Kappler	3.1k 0.5×	7.5k 1.4×	3.7k 0.9×	7.8k 3.5×	984 0.5×	438	26.7k
Michael F. Hochella	1.8k 0.3×	2.4k 0.5×	3.1k 0.8×	2.5k 1.1×	1.0k 0.5×	209	16.3k

Countries citing papers authored by John Bargar

Since Specialization

Citations

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

Fields of papers citing papers by John Bargar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Bargar. 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 John Bargar. The network helps show where John Bargar may publish in the future.

Co-authorship network of co-authors of John Bargar

This figure shows the co-authorship network connecting the top 25 collaborators of John Bargar. A scholar is included among the top collaborators of John Bargar 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 John Bargar. John Bargar 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

Mudunuru, Maruti Kumar, Qian Zhao, Jason Toyoda, et al.. (2025). Scaling High‐Resolution Soil Organic Matter Composition to Improve Predictions of Potential Soil Respiration Across the Continental United States. Geophysical Research Letters. 52(4). 1 indexed citations

Langenfeld, Kathryn, Bradley B. Tolar, Kate Maher, et al.. (2025). Floodplain nitrifiers harbor the genetic potential for utilizing a wide range of organic nitrogen compounds. mSystems. 10(11). e0082925–e0082925.

Janot, Noémie, Sarrah M. Dunham‐Cheatham, Juan S. Lezama-Pacheco, et al.. (2024). Reducing Conditions Influence U(IV) Accumulation in Sediments during In Situ Bioremediation. ACS Earth and Space Chemistry. 8(2). 148–158. 5 indexed citations

Tolar, Bradley B., et al.. (2024). Diverse and unconventional methanogens, methanotrophs, and methylotrophs in metagenome-assembled genomes from subsurface sediments of the Slate River floodplain, Crested Butte, CO, USA. mSystems. 9(7). e0031424–e0031424. 3 indexed citations

Yadav, Pooja, P. J. Nolan, Kate M. Campbell, et al.. (2023). Nitrate-Stimulated Release of Naturally Occurring Sedimentary Uranium. Environmental Science & Technology. 57(10). 4354–4366. 17 indexed citations

Engel, Maya, Vincent Noël, Libor Kovařík, et al.. (2023). Structure and composition of natural ferrihydrite nano-colloids in anoxic groundwater. Water Research. 238. 119990–119990. 14 indexed citations

Dwivedi, Dipankar, Carl I. Steefel, Bhavna Arora, et al.. (2022). From legacy contamination to watershed systems science: a review of scientific insights and technologies developed through DOE-supported research in water and energy security. Environmental Research Letters. 17(4). 43004–43004. 20 indexed citations

Birkner, Nancy, Matthew S. Christian, Jacob A. Wrubel, et al.. (2022). In Situ Determination of Speciation and Local Structure of NaCl–SrCl₂ and LiF–ZrF₄ Molten Salts. The Journal of Physical Chemistry B. 126(7). 1539–1550. 7 indexed citations

Aeppli, Meret, Maya Engel, Bradley B. Tolar, et al.. (2022). Export of Organic Carbon from Reduced Fine-Grained Zones Governs Biogeochemical Reactivity in a Simulated Aquifer. Environmental Science & Technology. 56(4). 2738–2746. 15 indexed citations

10.

Cardarelli, Emily, et al.. (2021). Diverse ecophysiological adaptations of subsurface Thaumarchaeota in floodplain sediments revealed through genome-resolved metagenomics. The ISME Journal. 16(4). 1140–1152. 29 indexed citations

11.

Ross, Cynthia M., et al.. (2021). Multiphysics Investigation of Geochemical Alterations in Marcellus Shale Using Reactive Core-Floods. Energy & Fuels. 35(13). 10733–10745. 21 indexed citations

12.

Spielman-Sun, Eleanor, et al.. (2021). A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems. Environmental Science & Technology. 55(3). 1377–1394. 66 indexed citations

13.

Gourgiotis, Alkiviadis, Pierre Sabatier, Pascale Louvat, et al.. (2021). Diagenetic formation of uranium-silica polymers in lake sediments over 3,300 years. Proceedings of the National Academy of Sciences. 118(4). 13 indexed citations

14.

Kumar, Naresh, Vincent Noël, Britta Planer‐Friedrich, et al.. (2020). Redox Heterogeneities Promote Thioarsenate Formation and Release into Groundwater from Low Arsenic Sediments. Environmental Science & Technology. 54(6). 3237–3244. 50 indexed citations

15.

Noël, Vincent, Naresh Kumar, Kristin Boye, et al.. (2020). FeS colloids – formation and mobilization pathways in natural waters. Environmental Science Nano. 7(7). 2102–2116. 18 indexed citations

16.

Cardarelli, Emily, John Bargar, & Christopher Francis. (2020). Diverse Thaumarchaeota Dominate Subsurface Ammonia-oxidizing Communities in Semi-arid Floodplains in the Western United States. Microbial Ecology. 80(4). 778–792. 18 indexed citations

17.

Noël, Vincent, Kimberly Lau, K. L. Weaver, et al.. (2019). Isotopic Fingerprint of Uranium Accumulation and Redox Cycling in Floodplains of the Upper Colorado River Basin. Environmental Science & Technology. 53(7). 3399–3409. 12 indexed citations

18.

Herrmann, Jonathan, Bradley B. Tolar, Frédéric Poitevin, et al.. (2018). Nutrient transport suggests an evolutionary basis for charged archaeal surface layer proteins. The ISME Journal. 12(10). 2389–2402. 48 indexed citations

19.

Peña, Jasquelin, Kideok D. Kwon, Keith Refson, John Bargar, & Garrison Sposito. (2010). Mechanisms of nickel sorption by a bacteriogenic birnessite. Science and Technology Facilities Council. 114 indexed citations

20.

Bargar, John, Eleanor Schofield, Jonathan O. Sharp, et al.. (2007). Coupled Biogeochemical Processes Governing the Stability of Bacteriogenic UO2+x. ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam). 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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