Todd O’Brien

2.7k total citations · 1 hit paper
31 papers, 1.8k citations indexed

About

Todd O’Brien is a scholar working on Oceanography, Global and Planetary Change and Ecology. According to data from OpenAlex, Todd O’Brien has authored 31 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Oceanography, 14 papers in Global and Planetary Change and 9 papers in Ecology. Recurrent topics in Todd O’Brien's work include Marine and coastal ecosystems (15 papers), Marine and fisheries research (11 papers) and Marine Biology and Ecology Research (7 papers). Todd O’Brien is often cited by papers focused on Marine and coastal ecosystems (15 papers), Marine and fisheries research (11 papers) and Marine Biology and Ecology Research (7 papers). Todd O’Brien collaborates with scholars based in United States, United Kingdom and Canada. Todd O’Brien's co-authors include John I. Antonov, Timothy P. Boyer, Hernan E. Garcia, Margarita E. Conkright, Cathy Stephens, Ricardo Locarnini, R. Moriarty, Erik T. Buitenhuis, Corinne Le Quéré and Sergey Piontkovski and has published in prestigious journals such as PLoS ONE, Marine Ecology Progress Series and Global Biogeochemical Cycles.

In The Last Decade

Todd O’Brien

31 papers receiving 1.8k citations

Hit Papers

World ocean atlas 2001 : objective analyses, data statist... 2002 2026 2010 2018 2002 100 200 300 400 500
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. World ocean atlas 2001 : objective analyses, data statistics, and figures : CD-ROM documentation
    2002 550 citations Margarita E. Conkright, Ricardo Locarnini et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Todd O’Brien United States 17 1.3k 828 648 473 173 31 1.8k
Dorota Kolber United States 6 1.0k 0.8× 529 0.6× 638 1.0× 368 0.8× 160 0.9× 8 1.6k
Giovanni Daneri Chile 25 1.7k 1.3× 746 0.9× 1.1k 1.7× 336 0.7× 289 1.7× 57 2.2k
Branka Grbec Croatia 24 911 0.7× 591 0.7× 481 0.7× 237 0.5× 215 1.2× 68 1.5k
Robert T. O’Malley United States 13 2.3k 1.7× 1.1k 1.3× 1.1k 1.7× 372 0.8× 237 1.4× 20 2.9k
E. Fraile‐Nuez Spain 25 957 0.7× 564 0.7× 710 1.1× 304 0.6× 162 0.9× 75 1.8k
K.K.C. Nair India 23 1.6k 1.2× 854 1.0× 769 1.2× 359 0.8× 228 1.3× 58 2.2k
Paulo B. Oliveira Portugal 22 1.1k 0.8× 865 1.0× 739 1.1× 493 1.0× 262 1.5× 59 2.0k
Reginaldo Durazo Mexico 22 1.0k 0.8× 641 0.8× 605 0.9× 223 0.5× 91 0.5× 70 1.5k
Jerry D. Wiggert United States 22 2.2k 1.6× 939 1.1× 595 0.9× 655 1.4× 160 0.9× 42 2.5k
Liam Fernand United Kingdom 25 1.2k 0.9× 631 0.8× 433 0.7× 217 0.5× 298 1.7× 47 1.6k

Countries citing papers authored by Todd O’Brien

Since Specialization
Citations

This map shows the geographic impact of Todd 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 Todd 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 Todd O’Brien more than expected).

Fields of papers citing papers by Todd O’Brien

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Todd O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Todd O’Brien. A scholar is included among the top collaborators of Todd 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 Todd O’Brien. Todd O’Brien 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.
O’Brien, Todd, et al.. (2024). MetaZooGene Atlas and Database: Reference Sequences for Marine Ecosystems. Methods in molecular biology. 2744. 475–489. 9 indexed citations
2.
Fernández-de-Puelles, M.L., et al.. (2023). Decadal Trends in the Zooplankton Community of the Western Mediterranean. Water. 15(24). 4267–4267. 3 indexed citations
3.
Bucklin, Ann, Katja T. C. A. Peijnenburg, Ksenia Kosobokova, et al.. (2021). Toward a global reference database of COI barcodes for marine zooplankton. Marine Biology. 168(6). 94 indexed citations
4.
Benway, Heather, Laura Lorenzoni, Angelicque White, et al.. (2019). Ocean Time Series Observations of Changing Marine Ecosystems: An Era of Integration, Synthesis, and Societal Applications. Frontiers in Marine Science. 6. 57 indexed citations
5.
Zingone, Adriana, Paul J. Harrison, Alexandra Kraberg, et al.. (2015). Increasing the quality, comparability and accessibility of phytoplankton species composition time-series data. Estuarine Coastal and Shelf Science. 162. 151–160. 35 indexed citations
6.
Paerl, Hans W., Kedong Yin, & Todd O’Brien. (2015). SCOR Working Group 137: “Global Patterns of Phytoplankton Dynamics in Coastal Ecosystems”: An introduction to the special issue of Estuarine, Coastal and Shelf Science. Estuarine Coastal and Shelf Science. 162. 1–3. 7 indexed citations
7.
Wiebe, Peter H., Roger Harris, Ástþór Gíslason, et al.. (2015). The ICES Working Group on Zooplankton Ecology: Accomplishments of the first 25 years. Progress In Oceanography. 141. 179–201. 7 indexed citations
8.
Thompson, Peter A., Todd O’Brien, Hans W. Paerl, et al.. (2015). Precipitation as a driver of phytoplankton ecology in coastal waters: A climatic perspective. Estuarine Coastal and Shelf Science. 162. 119–129. 49 indexed citations
9.
Boyer, Timothy P., John I. Antonov, O Baranova, et al.. (2014). World ocean database 2013.. NOAA Institutional Repository. 126 indexed citations
10.
Buitenhuis, Erik T., Meike Vogt, R. Moriarty, et al.. (2013). MAREDAT: towards a world atlas of MARine Ecosystem DATa. Earth system science data. 5(2). 227–239. 141 indexed citations
11.
Moriarty, R. & Todd O’Brien. (2013). Distribution of mesozooplankton biomass in the global ocean. Earth system science data. 5(1). 45–55. 95 indexed citations
12.
O’Brien, Todd, Peter H. Wiebe, & Tone Falkenhaug. (2013). Zooplankton time series. ICES Report 2013. DIGITAL.CSIC (Spanish National Research Council (CSIC)). 1 indexed citations
13.
O’Brien, Todd, William K. W. Li, & Xosé Anxelu G. Morán. (2012). ICES Phytoplankton and Microbial Plankton Status Report 2009/2010.. Marine Ecology Progress Series. 22 indexed citations
14.
Johnson, Catherine L., Jeffrey A. Runge, K. Alexandra Curtis, et al.. (2011). Biodiversity and Ecosystem Function in the Gulf of Maine: Pattern and Role of Zooplankton and Pelagic Nekton. PLoS ONE. 6(1). e16491–e16491. 73 indexed citations
15.
Batchelder, Harold P., David L. Mackas, & Todd O’Brien. (2011). Spatial–temporal scales of synchrony in marine zooplankton biomass and abundance patterns: A world-wide comparison. Progress In Oceanography. 97-100. 15–30. 35 indexed citations
16.
Smyth, Tim, et al.. (2009). Estimation of global zooplankton biomass from satellite ocean colour. Journal of Marine Systems. 78(1). 18–27. 51 indexed citations
17.
Buitenhuis, Erik T., Corinne Le Quéré, Olivier Aumont, et al.. (2006). Biogeochemical fluxes through mesozooplankton. Global Biogeochemical Cycles. 20(2). 174 indexed citations
18.
O’Brien, Todd. (2005). COPEPOD, a global plankton database : a review of the 2005 database contents and creation of new global zooplankton biomass fields. 4 indexed citations
19.
Conkright, Margarita E., Ricardo Locarnini, Hernan E. Garcia, et al.. (2002). World ocean atlas 2001 : objective analyses, data statistics, and figures : CD-ROM documentation. 550 indexed citations breakdown →
20.
Boehlert, George W., et al.. (2001). Autonomous Pinniped Environmental Samplers: Using Instrumented Animals as Oceanographic Data Collectors. Journal of Atmospheric and Oceanic Technology. 18(11). 1882–1893. 93 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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