Nicholas A. Welschmeyer

7.9k total citations · 3 hit papers
40 papers, 6.6k citations indexed

About

Nicholas A. Welschmeyer is a scholar working on Oceanography, Ecology and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Nicholas A. Welschmeyer has authored 40 papers receiving a total of 6.6k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Oceanography, 20 papers in Ecology and 9 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Nicholas A. Welschmeyer's work include Marine and coastal ecosystems (29 papers), Marine Biology and Ecology Research (18 papers) and Microbial Community Ecology and Physiology (10 papers). Nicholas A. Welschmeyer is often cited by papers focused on Marine and coastal ecosystems (29 papers), Marine Biology and Ecology Research (18 papers) and Microbial Community Ecology and Physiology (10 papers). Nicholas A. Welschmeyer collaborates with scholars based in United States, Germany and Netherlands. Nicholas A. Welschmeyer's co-authors include Ralf Goericke, Carl J. Lorenzen, Daniel J. Repeta, Terje Bjørnland, R.F.C. Mantoura, Carole A. Llewellyn, SW Jeffrey, Sallie W. Chisholm, John Waterbury and Erik Zettler and has published in prestigious journals such as Nature, Environmental Science & Technology and Limnology and Oceanography.

In The Last Decade

Nicholas A. Welschmeyer

40 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.

Fluorometric analysis of chlorophyll a in the presence of chlorophyll b and pheopigments

1994 2.2k citations Nicholas A. Welschmeyer Limnology and Oceanography profile →
Improved HPLC method for the analysis of chlorophylls and carotenoids from marine phytoplankton

1991 996 citations Nicholas A. Welschmeyer et al. profile →
A novel free-living prochlorophyte abundant in the oceanic euphotic zone

1988 813 citations Sallie W. Chisholm, Robert Olson et al. Nature profile →

Peers

Countries citing papers authored by Nicholas A. Welschmeyer

Since Specialization

Citations

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

Fields of papers citing papers by Nicholas A. Welschmeyer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicholas A. Welschmeyer. 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 Nicholas A. Welschmeyer. The network helps show where Nicholas A. Welschmeyer may publish in the future.

Co-authorship network of co-authors of Nicholas A. Welschmeyer

This figure shows the co-authorship network connecting the top 25 collaborators of Nicholas A. Welschmeyer. A scholar is included among the top collaborators of Nicholas A. Welschmeyer 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 Nicholas A. Welschmeyer. Nicholas A. Welschmeyer 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	The Biological Basis for Ballast Water Performance Standards: “Viable/Non-Viable” or “Live/Dead”? 2018 ·Environmental Science & Technology ·Ernest R. Blatchley, John J. Cullen, (unknown), Keith Bircher, Nicholas A. Welschmeyer	27
2	Efficacy and residual toxicity of a sodium hydroxide based ballast water treatment system for freshwater bulk freighters 2017 ·Journal of Great Lakes Research ·Adria A. Elskus, Carys L. Mitchelmore, David A. Wright, (unknown), Nicholas A. Welschmeyer, Colin Flynn, Barnaby J. Watten	1
3	Comparison of techniques used to count single-celled viable phytoplankton 2011 ·Journal of Applied Phycology ·Mia Steinberg, Matthew R. First, Edward J. Lemieux, Lisa A. Drake, Bruce N. Nelson, David M. Kulis, Donald M. Anderson, Nicholas A. Welschmeyer, (unknown)	20
4	PHOTOPHYSIOLOGY IN TWO SOUTHERN OCEAN PHYTOPLANKTON TAXA: PHOTOSYNTHESIS OF PHAEOCYSTIS ANTARCTICA (PRYMNESIOPHYCEAE) AND FRAGILARIOPSIS CYLINDRUS (BACILLARIOPHYCEAE) UNDER SIMULATED MIXED‐LAYER IRRADIANCE¹ 2010 ·Journal of Phycology ·Matthew M. Mills, (unknown), Gert L. van Dijken, Anne‐Carlijn Alderkamp, Gry Mine Berg, Dale H. Robinson, Nicholas A. Welschmeyer, Kevin R. Arrigo	65
5	The abundance, distribution, and correlation of viruses, phytoplankton, and prokaryotes along a Pacific Ocean transect 2002 ·Limnology and Oceanography ·Alexander I. Culley, Nicholas A. Welschmeyer	34
6	Response of Sargasso Sea phytoplankton biomass, growth rates and primary production to seasonally varying physical forcing 1998 ·Journal of Plankton Research ·Ralf Goericke, Nicholas A. Welschmeyer	52
7	Pigment composition of putatively achlorophyllous angiosperms 1998 ·Plant Systematics and Evolution ·Michael P. Cummings, Nicholas A. Welschmeyer	23
8	Spectrophotometric and fluorometric equations in common use in oceanography 1997 ·S. W. Jeffrey, Nicholas A. Welschmeyer	95
9	Taxon-specific analysis of microzooplankton grazing rates and phytoplankton growth rates 1995 ·Limnology and Oceanography ·(unknown), Nicholas A. Welschmeyer	35
10	Fluorometric analysis of chlorophyll a in the presence of chlorophyll b and pheopigments breakdown → 1994 ·Limnology and Oceanography ·Nicholas A. Welschmeyer	2190
11	The marine prochlorophyte Prochlorococcus contributes significantly to phytoplankton biomass and primary production in the Sargasso Sea 1993 ·Deep Sea Research Part I Oceanographic Research Papers ·Ralf Goericke, Nicholas A. Welschmeyer	158
12	Biomass and production of heterotrophic bacterioplankton in the oceanic subarctic Pacific 1993 ·Deep Sea Research Part I Oceanographic Research Papers ·David L. Kirchman, (unknown), Meinhard Simon, Nicholas A. Welschmeyer	154
13	Ecological dynamics in the subarctic Pacific, a possibly iron-limited ecosystem 1991 ·Limnology and Oceanography ·Charles B. Miller, Bruce W. Frost, Patricia A. Wheeler, Michael R. Landry, Nicholas A. Welschmeyer, Thomas M. Powell	186
14	Ecological Processes in the Subarctic Pacific: Iron-Limitation Cannot Be the Whole Story 1991 ·Oceanography ·Charles B. Miller, Bruce W. Frost, Beatrice C. Booth, Patricia A. Wheeler, Michael R. Landry, Nicholas A. Welschmeyer	54
15	Zeaxanthin and ß‐carotene in Synechococcus WH7803 respond differently to irradiance 1988 ·Limnology and Oceanography ·Todd M. Kana, Patricia M. Glibert, Ralf Goericke, Nicholas A. Welschmeyer	113
16	A novel free-living prochlorophyte abundant in the oceanic euphotic zone breakdown → 1988 ·Nature ·Sallie W. Chisholm, Robert Olson, Erik Zettler, Ralf Goericke, John Waterbury, Nicholas A. Welschmeyer	813
17	Role of herbivory in controlling phytoplankton abundance: annual pigment budget for a temperate marine fjord 1985 ·Marine Biology ·Nicholas A. Welschmeyer, Carl J. Lorenzen	42
18	Carbon‐14 labeling of phytoplankton carbon and chlorophyll a carbon: Determination of specific growth rates1 1984 ·Limnology and Oceanography ·Nicholas A. Welschmeyer, Carl J. Lorenzen	101
19	Sinking rates of organic particles1 1983 ·Limnology and Oceanography ·Carl J. Lorenzen, Nicholas A. Welschmeyer, Andrea Copping, María Vernet	48
20	CHLOROPHYLL‐SPECIFIC PHOTOSYNTHESIS AND QUANTUM EFFICIENCY AT SUBSATURATING LIGHT INTENSITIES¹² 1981 ·Journal of Phycology ·Nicholas A. Welschmeyer, Carl J. Lorenzen	64

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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