J. Timothy Pennington

3.9k citations

40 papers · 3.1k indexed · 2 hit papers · h-index 23

Co-authors: Francisco P. Chávez Monique Messié Ruth Calienes Victor S. Kuwahara Kevin L. Mahoney Dorota Kolber Richard B. Emlet Fu‐Shiang Chia
Topics: Marine and coastal ecosystems (24 papers)Oceanographic and Atmospheric Processes (15 papers)Marine Biology and Ecology Research (14 papers)
Cited by: Oceanography Global and Planetary Change Ecology
Journals: Proceedings of the National Academy of Sciences Environmental Science & Technology PLoS ONE
Partner nations: United States Canada Spain

In The Last Decade

J. Timothy Pennington

39 papers receiving 2.9k 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.

Primary production in the eastern tropical Pacific: A review

2006 564 citations J. Timothy Pennington, Francisco P. Chávez et al. profile →
THE ECOLOGY OF FERTILIZATION OF ECHINOID EGGS: THE CONSEQUENCES OF SPERM DILUTION, ADULT AGGREGATION, AND SYNCHRONOUS SPAWNING

1985 427 citations J. Timothy Pennington Biological Bulletin profile →

Peers

Countries citing papers authored by J. Timothy Pennington

Since Specialization

Citations

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

Fields of papers citing papers by J. Timothy Pennington

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Timothy Pennington. 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 J. Timothy Pennington. The network helps show where J. Timothy Pennington may publish in the future.

Co-authorship network of co-authors of J. Timothy Pennington

This figure shows the co-authorship network connecting the top 25 collaborators of J. Timothy Pennington. A scholar is included among the top collaborators of J. Timothy Pennington 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 J. Timothy Pennington. J. Timothy Pennington 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

#	Work	Indexed citations
1	Coastal upwelling drives ecosystem temporal variability from the surface to the abyssal seafloor 2023 ·Proceedings of the National Academy of Sciences ·Monique Messié,Rob E. Sherlock,Christine L. Huffard,J. Timothy Pennington,C. Anela Choy,Reiko Michisaki,(unknown),Francisco P. Chávez,Bruce H. Robison,Kenneth L. Smith	7
2	Time series assessment of Thaumarchaeota ecotypes in Monterey Bay reveals the importance of water column position in predicting distribution–environment relationships 2020 ·Limnology and Oceanography ·Bradley B. Tolar,(unknown),Jason M. Smith,(unknown),J. Timothy Pennington,Francisco P. Chávez,Christopher Francis	12
3	Humpback whale song occurrence reflects ecosystem variability in feeding and migratory habitat of the northeast Pacific 2019 ·PLoS ONE ·John P. Ryan,Danelle E. Cline,John E. Joseph,Tetyana Margolina,Jarrod A. Santora,Raphael M. Kudela,Francisco P. Chávez,J. Timothy Pennington,(unknown),Reiko Michisaki,Kelly J. Benoit‐Bird,Karin A. Forney,Alison K. Stimpert,Andrew DeVogelaere,Nancy A. Black,(unknown)	20
4	Temporal variability of downward fluxes of organic carbon off Monterey Bay 2018 ·Deep Sea Research Part II Topical Studies in Oceanography ·Carmen G. Castro,Francisco P. Chávez,J. Timothy Pennington,Reginaldo Durazo,Curtis A. Collins	5
5	Impact of recently upwelled water on productivity investigated using in situ and incubation‐based methods in Monterey Bay 2017 ·Journal of Geophysical Research Oceans ·Cara C. Manning,Rachel H. R. Stanley,David Nicholson,Jason M. Smith,J. Timothy Pennington,Melanie R. Fewings,(unknown),Francisco P. Chávez	13
6	Hourly In Situ Nitrate on a Coastal Mooring: A 15-Year Record and Insights into New Production 2017 ·Oceanography ·(unknown),Carole M. Sakamoto,Kenneth S. Johnson,Luke J. Coletti,Tanya L. Maurer,(unknown),J. Timothy Pennington,Joshua N. Plant,Hans W. Jannasch,Francisco P. Chávez	12
7	Causality of an extreme harmful algal bloom in Monterey Bay, California, during the 2014–2016 northeast Pacific warm anomaly 2017 ·Geophysical Research Letters ·John P. Ryan,Raphael M. Kudela,James M. Birch,(unknown),Holly A. Bowers,Francisco P. Chávez,Gregory J. Doucette,Kendra Hayashi,Roman Marin,Christina M. Mikulski,J. Timothy Pennington,Christopher A. Scholin,G. Jason Smith,(unknown),Yanwu Zhang	118
8	Seawater sampling by an autonomous underwater vehicle: “Gulper” sample validation for nitrate, chlorophyll, phytoplankton, and primary production 2015 ·Limnology and Oceanography Methods ·J. Timothy Pennington,(unknown),Francisco P. Chávez	21
9	Long-term monitoring of surfgrass meadows in the Monterey Bay National Marine Sanctuary : recovery followed by stability after the termination of a domestic sewage discharge 2015 ·John S. Pearse,William T. Doyle,Vicki B. Pearse,Marcia M. Gowing,J. Timothy Pennington,Eric M. Danner,(unknown)	1
10	Spatial distribution and offshore export of total organic carbon along the eastern boundary of the Subtropical North Pacific 2011 ·Advances in Oceanography and Limnology ·Carmen G. Castro,Curtis A. Collins,J. Timothy Pennington,Diana Zúñiga,Francisco P. Chávez	1
11	Nitrification in the euphotic zone as evidenced by nitrate dual isotopic composition: Observations from Monterey Bay, California 2007 ·Global Biogeochemical Cycles ·Scott D. Wankel,Carol Kendall,J. Timothy Pennington,Francisco P. Chávez,Adina Paytan	152
12	The influence of diel vertical migration on zooplankton transport and recruitment in an upwelling region: estimates from a coupled behavioral‐physical model 2007 ·Fisheries Oceanography ·(unknown),Xavier Capet,James C. McWilliams,J. Timothy Pennington,Francisco P. Chávez	87
13	A time series investigation of the oxygen isotopic composition of dissolved inorganic phosphate in Monterey Bay, California 2006 ·Limnology and Oceanography ·Karen McLaughlin,Francisco P. Chávez,J. Timothy Pennington,Adina Paytan	20
14	The California Current system off Monterey, California: physical and biological coupling 2003 ·Deep Sea Research Part II Topical Studies in Oceanography ·Curtis A. Collins,J. Timothy Pennington,Carmen G. Castro,Thomas A. Rago,Francisco P. Chávez	74
15	Seasonal fluctuations of temperature, salinity, nitrate, chlorophyll and primary production at station H3/M1 over 1989–1996 in Monterey Bay, California 2000 ·Deep Sea Research Part II Topical Studies in Oceanography ·J. Timothy Pennington,Francisco P. Chávez	230
16	Development, Temperature Tolerance, and Settlement Preference of Embryos and Larvae of the Articulate Brachiopod Laqueus californianus 1999 ·Biological Bulletin ·J. Timothy Pennington,Mario N. Tamburri,James Barry	37
17	A simple nontoxic method for the decalcification of living invertebrate larvae 1989 ·Journal of Experimental Marine Biology and Ecology ·J. Timothy Pennington,Michael G.‏ Hadfield	15
18	Ontogenetic and diel vertical migration of a planktonic echinoid larva, Dendraster excentricus (Eschscholtz): Occurrence, causes, and probable consequences 1986 ·Journal of Experimental Marine Biology and Ecology ·J. Timothy Pennington,Richard B. Emlet	104
19	Seasonal population dynamics of the invertebrate meroplankton of San Juan Channel, Washington, and studies on patterns of loss from larval populations by predation 1986 ·University of Alberta Library ·J. Timothy Pennington	1
20	Proposed standard test of stereoscopic plotting instruments 1951 ·Photogrammetria ·J. Timothy Pennington	0

About J. Timothy Pennington

J. Timothy Pennington is a scholar working on Oceanography, Global and Planetary Change and Ecology, having authored 40 papers that have together received 3.1k indexed citations. Recurring topics across this work include Marine and coastal ecosystems (24 papers), Oceanographic and Atmospheric Processes (15 papers) and Marine Biology and Ecology Research (14 papers). The work is most often cited by research in Oceanography (2.2k citations), Global and Planetary Change (1.1k citations) and Ecology (1.3k citations). J. Timothy Pennington has collaborated with scholars based in United States, Canada and Spain. Frequent co-authors include Francisco P. Chávez, Monique Messié, Ruth Calienes, Victor S. Kuwahara, Kevin L. Mahoney, Dorota Kolber, Richard B. Emlet, Fu‐Shiang Chia, Curtis A. Collins and Richard R. Strathmann. Their work appears in journals such as Proceedings of the National Academy of Sciences, Environmental Science & Technology and PLoS ONE.

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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