Paul D. Ryan

20.3k citations
56 papers · 18.5k indexed · 1 hit paper · h-index 24

Impact in

Papers in

    • Geological and Geochemical Analysis 32
    • earthquake and tectonic studies 24
    • High-pressure geophysics and materials 11
    • Paleontology and Stratigraphy of Fossils 10

Paul D. Ryan

55 papers receiving 17.6k citations

Hit Papers

PAST: PALEONTOLOGICAL STATISTICAL SOFTWARE PACKAGE FOR EDUCATION AND DATA ANALYSIS 2001 · 16.7k citations
16.7k20012026200920175.0k10.0k15.0k

Peers

Paul D. Ryan
Comparison fields: 5 of 204
  • Paleontology 3.1k
  • Nature and Landscape Conservation 2.6k
  • Ecology 5.5k
  • Ecology, Evolution, Behavior and Systematics 3.1k
  • Oceanography 1.9k
Replace Øyvind Hammer with:
Øyvind Hammer Norway
Charles E. Mitchell United States
David A. T. Harper United Kingdom
Mark E. Siddall United States
Robert Hall United Kingdom
Ronald Amundson United States
David L. Roberts United Kingdom
Carlos Jaramillo Panama
James R. Ehleringer United States
Leonard I. Wassenaar Canada
Paul D. Ryan relative to Øyvind Hammer Norway Øyvind Hammer's profile →
Citations per field
00.5×1.5×
Øyvind Hammer · 1×
Citations per year

Countries citing papers authored by Paul D. Ryan

Since Specialization
Citations

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

Fields of papers citing papers by Paul D. Ryan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Paul D. Ryan. 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 Paul D. Ryan. The network helps show where Paul D. Ryan may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Paul D. Ryan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Paul D. Ryan Line = papers co-authored together Paul D. Ryan links everyone, so they are left out of the graph.

All Works

20 of 20 papers shown
#Work
1 20224
2
Duale Ausbildung und Personalpolitik: So gleich und doch so fremd?
20111
3 200757
4 200689
5 200427
6
PAST: PALEONTOLOGICAL STATISTICAL SOFTWARE PACKAGE FOR EDUCATION AND DATA ANALYSIS
Hit paper breakdown →
200116725
7 200117
8 19992
9 199544
10 199432
11 199220
12 199275
13 199161
14 1990104
15 199047
16
The geology of South Mayo
198929
17 19881
18 198054
19 197731
20 19748

About Paul D. Ryan

Paul D. Ryan is a scholar working on Geophysics, Paleontology, Geochemistry and Petrology, Geology and Earth-Surface Processes, having authored 56 papers that have together received 18.5k indexed citations. Recurring topics across this work include Geological and Geochemical Analysis (32 papers), earthquake and tectonic studies (24 papers), High-pressure geophysics and materials (11 papers), Paleontology and Stratigraphy of Fossils (10 papers), Geochemistry and Geologic Mapping (9 papers), Geochemistry and Elemental Analysis (7 papers), Geology and Paleoclimatology Research (5 papers) and Geological and Geophysical Studies (5 papers). The work is most often cited by research in Paleontology (3.1k citations), Nature and Landscape Conservation (2.6k citations), Ecology (5.5k citations), Ecology, Evolution, Behavior and Systematics (3.1k citations) and Oceanography (1.9k citations). Paul D. Ryan has collaborated with scholars based in Ireland, United Kingdom and Norway. Frequent co-authors include David A. T. Harper, Øyvind Hammer, John Dewey, Dennis Brown, Nathaniel J. Soper, Michael J. Hynes, Torgeir B. Andersen, D. B. Snyder, S. L. Klemperer and Richard England. Their work appears in journals such as Journal of the Geological Society, Geological Magazine, Geological Society London Special Publications, Canadian Journal of Earth Sciences and Tectonics.

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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