Patrick J. O’Brien

7.4k total citations · 1 hit paper
108 papers, 6.4k citations indexed

About

Patrick J. O’Brien is a scholar working on Geophysics, Artificial Intelligence and Computational Mechanics. According to data from OpenAlex, Patrick J. O’Brien has authored 108 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Geophysics, 13 papers in Artificial Intelligence and 10 papers in Computational Mechanics. Recurrent topics in Patrick J. O’Brien's work include Geological and Geochemical Analysis (70 papers), High-pressure geophysics and materials (49 papers) and earthquake and tectonic studies (46 papers). Patrick J. O’Brien is often cited by papers focused on Geological and Geochemical Analysis (70 papers), High-pressure geophysics and materials (49 papers) and earthquake and tectonic studies (46 papers). Patrick J. O’Brien collaborates with scholars based in Germany, United Kingdom and United States. Patrick J. O’Brien's co-authors include D. A. Carswell, Jochen Rötzler, Alfred Kröner, Matthias Konrad‐Schmolke, Martin A. Ziemann, Andreas Möller, Allen Kennedy, Jinghui Guo, Mingguo Zhai and Muhammad Asif Khan and has published in prestigious journals such as Journal of Geophysical Research Atmospheres, Earth and Planetary Science Letters and Science Advances.

In The Last Decade

Patrick J. O’Brien

105 papers receiving 6.1k 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.

High‐pressure granulites: formation, recovery of peak conditions and implications for tectonics

2002 518 citations Patrick J. O’Brien et al. Journal of Metamorphic Geology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Patrick J. O’Brien Germany	46	5.9k	1.5k	529	310	207	108	6.4k
Paul Henderson United Kingdom	27	1.7k 0.3×	736 0.5×	717 1.4×	190 0.6×	63 0.3×	71	2.2k
A. L. Jaques Australia	29	2.9k 0.5×	754 0.5×	292 0.6×	106 0.3×	107 0.5×	73	3.1k
Chao Zhang China	34	2.4k 0.4×	1.1k 0.8×	396 0.7×	124 0.4×	225 1.1×	222	3.4k
John Bird United States	23	2.5k 0.4×	548 0.4×	174 0.3×	235 0.8×	221 1.1×	74	3.2k
Alberto E. Patiño Douce United States	23	5.0k 0.8×	2.0k 1.3×	554 1.0×	157 0.5×	50 0.2×	29	5.2k
P. W. O. Hoskin Australia	22	8.7k 1.5×	4.1k 2.8×	1.4k 2.6×	416 1.3×	153 0.7×	35	9.1k
Ilya V. Veksler Germany	29	3.1k 0.5×	1.3k 0.9×	674 1.3×	172 0.6×	106 0.5×	73	3.3k
R. Grant Cawthorn South Africa	36	3.8k 0.6×	2.1k 1.4×	633 1.2×	200 0.6×	184 0.9×	134	4.2k
Michael L. Williams United States	38	4.4k 0.7×	1.8k 1.2×	479 0.9×	265 0.9×	108 0.5×	111	4.7k
Robert B. Trumbull Germany	47	5.7k 1.0×	2.4k 1.6×	989 1.9×	273 0.9×	145 0.7×	143	6.1k

Countries citing papers authored by Patrick J. O’Brien

Since Specialization

Citations

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

Fields of papers citing papers by Patrick J. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Patrick J. O’Brien. 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 Patrick J. O’Brien. The network helps show where Patrick J. O’Brien may publish in the future.

Co-authorship network of co-authors of Patrick J. O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Patrick J. O’Brien. A scholar is included among the top collaborators of Patrick J. O’Brien 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 Patrick J. O’Brien. Patrick J. O’Brien 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

Ferrero, Silvio, et al.. (2024). Halogen-bearing metasomatizing melt preserved in high-pressure (HP) eclogites of Pfaffenberg, Bohemian Massif. European Journal of Mineralogy. 36(2). 279–300. 3 indexed citations

Panter, Charlotte, et al.. (2022). POSC345 Qualitative Literature and Instrument Review to Develop a Clinical Outcome Assessment (COA) Measurement Strategy for Use in Amblyopia Studies. Value in Health. 25(1). S239–S239. 1 indexed citations

O’Brien, Patrick J., et al.. (2022). POSC371 Qualitative Research Exploring the Patient Experience of Symptoms and Health-Related Quality of Life Impacts in Chronic Ocular Surface Pain. Value in Health. 25(1). S245–S245. 1 indexed citations

Verma, Himanshu, et al.. (2022). P33 Patient Experiences and Insights on Chronic Ocular Pain from a Social Media Listening Study. Value in Health. 25(1). S8–S8. 1 indexed citations

O’Brien, Patrick J., Hans‐Peter Schertl, Xudong Ma, et al.. (2021). Metamorphic and geochronological evolution of Paleoproterozoic high-pressure ultra-high-temperature pelitic granulite, Chicheng, northern Trans-North China Orogen. Precambrian Research. 361. 106237–106237. 14 indexed citations

Ferrero, Silvio, et al.. (2020). Strange polymorphs and where to find them: a melt inclusion story. 1 indexed citations

O’Brien, Patrick J., et al.. (2020). PSS23 Burden of Dry Eye Disease and Treatment Experience with Lifitegrast: A CROSS-Sectional Patient Survey in US and Canada. Value in Health. 23. S737–S737. 2 indexed citations

Ferrero, Silvio, et al.. (2019). Cryptic metasomatic agent measured in situ in Variscan mantle rocks: Melt inclusions in garnet of eclogite, Granulitgebirge, Germany. Journal of Metamorphic Geology. 38(3). 207–234. 33 indexed citations

Darling, Robert S., Bernd Wunder, Oscar Laurent, et al.. (2019). Why Are They So Darn Big? The Role of Crustal Melting in the Formation of the Gore Mountain Mega Garnets (Adirondacks, US). AGU Fall Meeting Abstracts. 2019. 1 indexed citations

10.

Ferrero, Silvio, Patrick J. O’Brien, Bernd Wunder, et al.. (2018). A treasure chest full of nanogranitoids: an archive to investigate crustal melting in the Bohemian Massif. Geological Society London Special Publications. 478(1). 13–38. 24 indexed citations

11.

Ferrero, Silvio, et al.. (2018). Evidence for fluid-melt immiscibility during partial melting in the Oberpfalz migmatites, Moldanubian Zone (Bohemian Massif). EGUGA. 1673. 1 indexed citations

12.

Ferrero, Silvio, et al.. (2018). Granitoid melt inclusions in orogenic peridotite and the origin of garnet clinopyroxenite. Geology. 32 indexed citations

13.

O’Brien, Patrick J., Jana Kotková, & Martin A. Ziemann. (2010). Diamond and coesite discovered in Saxony-type granulite: solution to the Variscan garnet peridotite enigma?. AGUFM. 2010. 1 indexed citations

14.

Srinil, Narakorn, et al.. (2009). Nonlinear multi-mode interactions in subsea risers undergoing vortex-induced vibrations. Strathprints: The University of Strathclyde institutional repository (University of Strathclyde). 1329–1336. 1 indexed citations

15.

Goddard, Richard & Patrick J. O’Brien. (2004). Are Beginning Teachers with a Second Degree at a Higher Risk of Early Career Burnout.. Australasian Journal of Paramedicine. 29(1). 9 indexed citations

16.

Möller, Andreas, Patrick J. O’Brien, Allen Kennedy, & Alfred Kröner. (2003). The Use and Abuse of Th-U Ratios in the Interpretation of Zircon. EGS - AGU - EUG Joint Assembly. 12113. 22 indexed citations

17.

O’Brien, Patrick J., et al.. (2001). Coesite in Himalayan eclogite and implications for models of India-Asia collision. Geology. 29(5). 435–435. 240 indexed citations

18.

Treloar, Peter J. & Patrick J. O’Brien. (1998). What drives metamorphism and metamorphic reactions. 92 indexed citations

19.

O’Brien, Patrick J., et al.. (1991). Together We Can Make It Better in Collaborative Schools.. The Journal of staff development. 12(3). 47–51. 1 indexed citations

20.

O’Brien, Patrick J., et al.. (1979). Evaluation of a transitional training program for mentally retarded, multiply handicapped high school students.. PubMed. 40(8). 232–5. 3 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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