Peter M. Kroopnick

3.4k total citations · 2 hit papers
24 papers, 2.7k citations indexed

About

Peter M. Kroopnick is a scholar working on Oceanography, Ecology and Global and Planetary Change. According to data from OpenAlex, Peter M. Kroopnick has authored 24 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Oceanography, 10 papers in Ecology and 7 papers in Global and Planetary Change. Recurrent topics in Peter M. Kroopnick's work include Isotope Analysis in Ecology (10 papers), Marine and coastal ecosystems (10 papers) and Marine Biology and Ecology Research (9 papers). Peter M. Kroopnick is often cited by papers focused on Isotope Analysis in Ecology (10 papers), Marine and coastal ecosystems (10 papers) and Marine Biology and Ecology Research (9 papers). Peter M. Kroopnick collaborates with scholars based in United States, Australia and Russia. Peter M. Kroopnick's co-authors include H. Craig, Giacomo R. DiTullio, Peter R. Betzer, William Showers, Edward A. Laws, Christopher D. Winn, Stephen V. Smith, Stanley V. Margolis, Ray F. Weiss and Walter C. Dudley and has published in prestigious journals such as Nature, Science and Journal of Geophysical Research Atmospheres.

In The Last Decade

Peter M. Kroopnick

24 papers receiving 2.4k citations

Hit Papers

The distribution of 13C of ΣCO2 in the world oceans 1972 2026 1990 2008 1985 1972 250 500 750
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.

  1. The distribution of 13C of ΣCO2 in the world oceans
    1985 804 citations Peter M. Kroopnick Deep Sea Research Part A Oceanographic Research Papers profile →
  2. Atmospheric Oxygen: Isotopic Composition and Solubility Fractionation
    1972 481 citations Peter M. Kroopnick, H. Craig Science profile →

Peers

Peter M. Kroopnick
Peter R. Betzer United States
Andrew Soutar United States
Steven J. Manganini United States
W. H. Berger United States
David Wilbur United States
F. C. Tan Canada
M.P. Bacon United States
N. G. Hemming United States
Margaret Lois Delaney United States
Daniel C. McCorkle United States
Peter R. Betzer United States
Peter M. Kroopnick
Citations per year, relative to Peter M. Kroopnick Peter M. Kroopnick (= 1×) peers Peter R. Betzer

Countries citing papers authored by Peter M. Kroopnick

Since Specialization
Citations

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

Fields of papers citing papers by Peter M. Kroopnick

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Peter M. Kroopnick

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

All Works

20 of 20 papers shown
1.
Allis, R. G., et al.. (1997). Groundwater flow beneath Mt Taranaki, New Zealand, and implications for oil and gas migration. New Zealand Journal of Geology and Geophysics. 40(2). 137–149. 9 indexed citations
2.
Álvarez, Walter, James P. Kennett, Peter M. Kroopnick, & Jeffrey F. Mount. (1993). Stanley V. Margolis (1943–1992). Eos. 74(52). 612–613. 12 indexed citations
3.
Kroopnick, Peter M.. (1985). The distribution of 13C of ΣCO2 in the world oceans. Deep Sea Research Part A Oceanographic Research Papers. 32(1). 57–84. 804 indexed citations breakdown →
4.
Betzer, Peter R., William Showers, Edward A. Laws, et al.. (1984). Primary productivity and particle fluxes on a transect of the equator at 153°W in the Pacific Ocean. Deep Sea Research Part A Oceanographic Research Papers. 31(1). 1–11. 307 indexed citations
5.
Resig, Johanna M. & Peter M. Kroopnick. (1983). Isotopic and distributional evidence of a planktonic habit for the foraminiferal genusStreptochilus Bro¨nnimann and Resig, 1971. Marine Micropaleontology. 8(3). 235–248. 22 indexed citations
6.
Buddemeier, Robert W., et al.. (1981). The stable isotopic composition of coral skeletons: control by environmental variables. Geochimica et Cosmochimica Acta. 45(7). 1147–1153. 91 indexed citations
7.
Smith, Stephen V. & Peter M. Kroopnick. (1981). Carbon-13 isotopic fractionation as a measure of aquatic metabolism. Nature. 294(5838). 252–253. 33 indexed citations
8.
Margolis, Stanley V., et al.. (1980). Oxygen and carbon isotopes of Recent calcareous nannofossils as paleoceanographic indicators. Marine Micropaleontology. 5. 31–42. 40 indexed citations
9.
Kroopnick, Peter M.. (1980). Isotopic fractionations during oxygen consumption and carbonate dissolution within the North Atlantic Deep Water. Earth and Planetary Science Letters. 49(2). 485–498. 28 indexed citations
10.
Kroopnick, Peter M., et al.. (1980). Geochemical techniques in geothermal research — the Hawaii example. Tectonophysics. 62(1-2). 87–97. 2 indexed citations
11.
Kroopnick, Peter M.. (1980). The distribution of13C in the Atlantic Ocean. Earth and Planetary Science Letters. 49(2). 469–484. 184 indexed citations
12.
Kennett, James P., et al.. (1979). Late Cenozoic oxygen and carbon isotopic history and volcanic ash stratigraphy; DSDP Site 284, South Pacific. American Journal of Science. 279(1). 52–69. 39 indexed citations
13.
Thomas, Donald M. & Peter M. Kroopnick. (1978). Isotopes and Gases in a Hawaiian Geothermal System: HGP-A. eVols (University of Hawaii). 3 indexed citations
14.
Margolis, Stanley V., et al.. (1977). Cenozoic and Late Mesozoic paleoceanographic and paleoglacial history recorded in circum-Antarctic deep-sea sediments. Marine Geology. 25(1-3). 131–147. 24 indexed citations
15.
Kroopnick, Peter M. & H. Craig. (1976). Oxygen isotope fractionation in dissolved oxygen in the deep sea. Earth and Planetary Science Letters. 32(2). 375–388. 87 indexed citations
16.
Kroopnick, Peter M.. (1975). Respiration, photosynthesis, and oxygen isotope fractionation in oceanic surface water1. Limnology and Oceanography. 20(6). 988–992. 51 indexed citations
17.
Kroopnick, Peter M.. (1974). The dissolved O2-CO2-13C system in the eastern equatorial pacific. Deep Sea Research and Oceanographic Abstracts. 21(3). 211–227. 156 indexed citations
18.
Kroopnick, Peter M., Ray F. Weiss, & H. Craig. (1972). Total CO2,13C, and dissolved oxygen -18O at Geosecs II in the North Atlantic. Earth and Planetary Science Letters. 16(1). 103–110. 97 indexed citations
19.
Kroopnick, Peter M. & H. Craig. (1972). Atmospheric Oxygen: Isotopic Composition and Solubility Fractionation. Science. 175(4017). 54–55. 481 indexed citations breakdown →
20.
Kroopnick, Peter M., W. G. Deuser, & H. Craig. (1970). Carbon 13 measurements on dissolved inorganic carbon at the North Pacific (1969) Geosecs station. Journal of Geophysical Research Atmospheres. 75(36). 7668–7671. 73 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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