Jennifer M.K. O’Keefe

3.8k total citations · 2 hit papers
73 papers, 3.0k citations indexed

About

Jennifer M.K. O’Keefe is a scholar working on Geochemistry and Petrology, Ocean Engineering and Atmospheric Science. According to data from OpenAlex, Jennifer M.K. O’Keefe has authored 73 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Geochemistry and Petrology, 28 papers in Ocean Engineering and 22 papers in Atmospheric Science. Recurrent topics in Jennifer M.K. O’Keefe's work include Coal and Its By-products (39 papers), Coal Properties and Utilization (28 papers) and Geology and Paleoclimatology Research (22 papers). Jennifer M.K. O’Keefe is often cited by papers focused on Coal and Its By-products (39 papers), Coal Properties and Utilization (28 papers) and Geology and Paleoclimatology Research (22 papers). Jennifer M.K. O’Keefe collaborates with scholars based in United States, United Kingdom and China. Jennifer M.K. O’Keefe's co-authors include James C. Hower, Shifeng Dai, Cortland F. Eble, Colin R. Ward, J.D. Stucker, Kevin R. Henke, David French, Huidong Liu, Madison M. Hood and N. Wagner and has published in prestigious journals such as The Science of The Total Environment, Geophysical Research Letters and Palaeogeography Palaeoclimatology Palaeoecology.

In The Last Decade

Jennifer M.K. O’Keefe

72 papers receiving 2.9k 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.

Recognition of peat depositional environments in coal: A review

2020 302 citations Shifeng Dai, James C. Hower et al. International Journal of Coal Geology profile →
On the fundamental difference between coal rank and coal type

2013 295 citations Jennifer M.K. O’Keefe, Shifeng Dai et al. International Journal of Coal Geology profile →

Peers

Countries citing papers authored by Jennifer M.K. O’Keefe

Since Specialization

Citations

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

Fields of papers citing papers by Jennifer M.K. O’Keefe

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jennifer M.K. O’Keefe. 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 Jennifer M.K. O’Keefe. The network helps show where Jennifer M.K. O’Keefe may publish in the future.

Co-authorship network of co-authors of Jennifer M.K. O’Keefe

This figure shows the co-authorship network connecting the top 25 collaborators of Jennifer M.K. O’Keefe. A scholar is included among the top collaborators of Jennifer M.K. O’Keefe 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 Jennifer M.K. O’Keefe. Jennifer M.K. O’Keefe is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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

20 of 20 papers shown

#	Work	Indexed citations
1	A global dataset of fossil fungi records from the Cenozoic 2025 ·Scientific Data ·(unknown), (unknown), (unknown), (unknown), Jennifer M.K. O’Keefe, Matthew J. Pound	1
2	Comment on “The Volyn biota (Ukraine) – indications of 1.5 Gyr old eukaryotes in 3D preservation, a spotlight on the `boring billion' ” by Franz et al. (2023) 2024 ·Biogeosciences ·Martin J. Head, James B. Riding, Jennifer M.K. O’Keefe, (unknown), (unknown)	1
3	Climate Conundrum: A Wet or Dry European and Northern African Climate During the Middle Miocene 2024 ·Geophysical Research Letters ·R. Paul Acosta, Natalie Burls, Matthew J. Pound, Catherine P. Bradshaw, (unknown), (unknown), Jennifer M.K. O’Keefe, Sarah J. Feakins	4
4	The palynology of purple honey: kudzu dismissed, aluminum-sourwood reaction and other sources behind color plausible 2024 ·Palynology ·Sophie Warny, Jennifer M.K. O’Keefe, Carol L. Wymer, (unknown), (unknown)	1
5	Organic petrology, palynology, and geochemistry of soils from serpentine barrens, Chester and Lancaster counties, Pennsylvania: Notes on maceral development 2024 ·International Journal of Coal Geology ·James C. Hower, Jennifer M.K. O’Keefe, Roger Earl Latham, Shifeng Dai, Luís F.O. Silva, Kevin R. Henke, Jon S. Thorson	2
6	Temperate to tropical palaeoclimates on the northwest margin of Europe during the middle Cenozoic 2024 ·Palaeontologia Electronica ·(unknown), (unknown), Emma P. Hocking, Jennifer M.K. O’Keefe, James B. Riding, (unknown), (unknown), Geoffrey D. Abbott, Matthew J. Pound	0
7	Application of organic petrology and chemistry in forensic studies of solid waste sites 2023 ·International Journal of Coal Geology ·James C. Hower, Stephen D. Emsbo-Mattingly, María Mastalerz, Jennifer M.K. O’Keefe	3
8	Miocene Climatic Optimum fungal record and plant-based CREST climatic reconstruction from southern McMurdo Sound, Antarctica 2023 ·Journal of Micropalaeontology ·(unknown), (unknown), (unknown), (unknown), Matthew J. Pound, Jennifer M.K. O’Keefe, Sophie Warny	1
9	Reconstructing Terrestrial Paleoclimates: A Comparison of the Co‐Existence Approach, Bayesian and Probability Reconstruction Techniques Using the UK Neogene 2022 ·Paleoceanography and Paleoclimatology ·(unknown), (unknown), Jennifer M.K. O’Keefe, (unknown), Sophie Warny, Matthew J. Pound	13
10	An overview of the taxonomic groups of non-pollen palynomorphs 2021 ·Geological Society London Special Publications ·Lyudmila Shumilovskikh, Jennifer M.K. O’Keefe, Fabienne Marret	22
11	Insights into past land-use and vegetation change in the Llanos de Moxos (Bolivia) using fungal non-pollen palynomorphs 2021 ·Journal of Archaeological Science ·(unknown), Francis E. Mayle, (unknown), Jennifer M.K. O’Keefe, Neil A. Duncan, John H. Walker, Bronwen S. Whitney	8
12	Why a new volume on non-pollen palynomorphs? 2021 ·Geological Society London Special Publications ·Jennifer M.K. O’Keefe, Fabienne Marret, Peter Osterloff, Matthew J. Pound, Lyudmila Shumilovskikh	7
13	Nomenclature: how do we designate NPP taxa? 2021 ·Geological Society London Special Publications ·Jennifer M.K. O’Keefe, (unknown), María Virginia Bianchinotti	10
14	An overview of techniques applied to the extraction of non-pollen palynomorphs, their known taphonomic issues and recommendations to maximize recovery 2020 ·Geological Society London Special Publications ·Matthew J. Pound, Jennifer M.K. O’Keefe, Fabienne Marret	22
15	Three new Miocene fungal palynomorphs from the Brassington Formation, Derbyshire, UK 2018 ·Palynology ·Matthew J. Pound, Jennifer M.K. O’Keefe, (unknown), James B. Riding	15
16	Fungal palynomorphs from the Miocene Heath Formation, Tumbes Province, Perú 2017 ·Palynology ·Jennifer M.K. O’Keefe	11
17	FUNGAL PALYNOMORPHS ACROSS THE PETM IN WILCOX GROUP SEDIMENTS, CENTRAL TEXAS, PRELIMINARY RESULTS 2017 ·Abstracts with programs - Geological Society of America ·(unknown), Jennifer M.K. O’Keefe, Thomas D. Demchuk, (unknown)	2
18	The further adventures of Tin Man: Vertical temperature gradients at the Lotts Creek coal mine fire, Perry County, Kentucky 2012 ·International Journal of Coal Geology ·James C. Hower, Gregory C. Copley, Jennifer M.K. O’Keefe, J. M. Hower	7
19	Petrology, mineralogy, and geochemistry of the Ge-rich coal from the Wulantuga Ge ore deposit, Inner Mongolia, China: New data and genetic implications 2011 ·International Journal of Coal Geology ·Shifeng Dai, Xibo Wang, Vladimir V. Seredin, James C. Hower, Colin R. Ward, Jennifer M.K. O’Keefe, Wenhui Huang, Tian Li, Xiao Li, Huidong Liu, Weifeng Xue, Lixin Zhao	286
20	CO2, CO, and Hg emissions from the Truman Shepherd and Ruth Mullins coal fires, eastern Kentucky, USA 2010 ·The Science of The Total Environment ·Jennifer M.K. O’Keefe, Kevin R. Henke, James C. Hower, Mark A. Engle, Glenn B. Stracher, J.D. Stucker, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	106

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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