R. B. Koepnick

2.7k total citations · 1 hit paper
18 papers, 2.2k citations indexed

About

R. B. Koepnick is a scholar working on Paleontology, Mechanics of Materials and Geophysics. According to data from OpenAlex, R. B. Koepnick has authored 18 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Paleontology, 6 papers in Mechanics of Materials and 6 papers in Geophysics. Recurrent topics in R. B. Koepnick's work include Paleontology and Stratigraphy of Fossils (10 papers), Geology and Paleoclimatology Research (6 papers) and Hydrocarbon exploration and reservoir analysis (6 papers). R. B. Koepnick is often cited by papers focused on Paleontology and Stratigraphy of Fossils (10 papers), Geology and Paleoclimatology Research (6 papers) and Hydrocarbon exploration and reservoir analysis (6 papers). R. B. Koepnick collaborates with scholars based in United States. R. B. Koepnick's co-authors include Rodger E. Denison, E.A. Hetherington, W.H. Burke, H F Nelson, J.B. Otto, Andrew Fletcher, Lowell Waite, Michael W. Howell, Arthur Saller and Roger L. Kaesler and has published in prestigious journals such as Geology, Chemical Geology and Geological Society of America Bulletin.

In The Last Decade

R. B. Koepnick

18 papers receiving 2.0k 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.

Variation of seawater 87Sr/86Sr throughout Phanerozoic time

1982 1.3k citations W.H. Burke, Rodger E. Denison et al. Geology profile →

Peers

R. B. Koepnick

PALEO

GEOPH

E.A. Hetherington United States

Rodger E. Denison United States

H F Nelson United States

Andreas Diener Canada

J.B. Otto United States

E W Mountjoy Canada

Darrel G.F. Long Canada

Eytan Sass Israel

Karem Azmy Canada

L. A. Hardie United States

E.A. Hetherington United States

R. B. Koepnick

1.0k ×0.9

PALEO

943 ×0.9

896 ×1.0

GEOPH

866 ×1.1

323 ×0.9

Citations per year, relative to R. B. Koepnick R. B. Koepnick (= 1×) peers E.A. Hetherington

Countries citing papers authored by R. B. Koepnick

Since Specialization

Citations

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

Fields of papers citing papers by R. B. Koepnick

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. B. Koepnick. 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 R. B. Koepnick. The network helps show where R. B. Koepnick may publish in the future.

Co-authorship network of co-authors of R. B. Koepnick

This figure shows the co-authorship network connecting the top 25 collaborators of R. B. Koepnick. A scholar is included among the top collaborators of R. B. Koepnick 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 R. B. Koepnick. R. B. Koepnick is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

Denison, Rodger E., R. B. Koepnick, W.H. Burke, & E.A. Hetherington. (1998). Construction of the Cambrian and Ordovician seawater 87Sr/86Sr curve. Chemical Geology. 152(3-4). 325–340. 119 indexed citations

Denison, Rodger E., R. B. Koepnick, W.H. Burke, E.A. Hetherington, & Andrew Fletcher. (1997). Construction of the Silurian and Devonian seawater 87Sr/86Sr curve. Chemical Geology. 140(1-2). 109–121. 64 indexed citations

Denison, Rodger E., R. B. Koepnick, W.H. Burke, E.A. Hetherington, & Andrew Fletcher. (1994). Construction of the Mississippian, Pennsylvanian and Permian seawater 87Sr86Sr curve. Chemical Geology. 112(1-2). 145–167. 103 indexed citations

Denison, Rodger E., et al.. (1994). Criteria for the retention of original seawater 87Sr86Sr in ancient shelf limestones. Chemical Geology. 112(1-2). 131–143. 109 indexed citations

Denison, Rodger E., et al.. (1993). Reevaluation of Early Oligocene, Eocene, and Paleocene Seawater Strontium Isotope Ratios Using Outcrop Samples from The U.S. Gulf Coast. Paleoceanography. 8(1). 101–126. 23 indexed citations

Koepnick, R. B., et al.. (1993). Importance of Sequence Stratigraphic Concepts in Development of Reservoir Architecture in Upper Jurassic Grainstones, Hadriya and Hanifa Reservoirs, Saudi Arabia. Middle East Oil Show. 28 indexed citations

Saller, Arthur & R. B. Koepnick. (1990). Eocene to early Miocene growth of Enewetak Atoll: Insight from strontium-isotope data. Geological Society of America Bulletin. 102(3). 381–390. 34 indexed citations

Koepnick, R. B., et al.. (1990). Construction of the Triassic and Jurassic portion of the Phanerozoic curve of seawater 87Sr/86Sr. Chemical Geology Isotope Geoscience section. 80(4). 327–349. 114 indexed citations

Koepnick, R. B.. (1988). Significance of Stylolite Development in Hydrocarbon Reservoirs with an Emphasis on the Lower Cretaceous of the Middle East. Bulletin of the Geological Society of Malaysia. 22. 23–43. 5 indexed citations

10.

Koepnick, R. B., et al.. (1988). The Cenozoic seawater ⁸⁷Sr/⁸⁶Sr curve: Data review and implications for correlation of marine strata. Paleoceanography. 3(6). 743–756. 31 indexed citations

11.

Koepnick, R. B.. (1987). Distribution and Permeability of Stylolite-Bearing Horizons Within a Lower Cretaceous Carbonate Reservoir in the Middle East. SPE Formation Evaluation. 2(2). 137–142. 48 indexed citations

12.

Koepnick, R. B.. (1985). Impact of stylolite on carbonate reservoir continuity: example from Middle East. AAPG Bulletin. 2 indexed citations

13.

Koepnick, R. B., W.H. Burke, Rodger E. Denison, et al.. (1985). Construction of the seawater curve for the cenozoic and cretaceous: Supporting data. Chemical Geology Isotope Geoscience section. 58(1-2). 55–81. 198 indexed citations

14.

Koepnick, R. B., W.H. Burke, Rodger E. Denison, et al.. (1985). Construction of the seawater curve for the cenozoic and cretaceous: Supporting data. Chemical Geology. 58(1-2). 55–81. 4 indexed citations

15.

Koepnick, R. B.. (1985). Impact of Stylolites on Carbonate Reservoir Continuity: Example from Middle East: ABSTRACT. AAPG Bulletin. 69. 3 indexed citations

16.

Burke, W.H., Rodger E. Denison, E.A. Hetherington, et al.. (1982). Variation of seawater 87Sr/86Sr throughout Phanerozoic time. Geology. 10(10). 516–516. 1268 indexed citations breakdown →

17.

Koepnick, R. B. & Roger L. Kaesler. (1974). Character correlations and morphologic variations of Triticites cullomensis (Fusulinacea). Journal of Paleontology. 48(1). 36–40. 6 indexed citations

18.

Koepnick, R. B. & Roger L. Kaesler. (1971). INTRASPECIFIC VARIATION OF MORPHOLOGY OF TRITICITES CULLOMENSIS (FUSULINACEA), A STATISTICAL ANALYSIS. Journal of Paleontology. 45(5). 881–887. 5 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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