World's Best Scientists 2026 revealed!
John J. Cullen

John J. Cullen

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Environmental Sciences
Canada
2023

D-Index & Metrics

Environmental Sciences

D-Index
63
Citations
16281
World Ranking
2451
National Ranking
98

John J. Cullen publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where John J. Cullen sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 147 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

John J. Cullen D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where John J. Cullen sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 63 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Environmental Sciences in Canada Leader Award
  • 2012 - Fellow of the Royal Society of Canada Academy of Science

Overview

John J. Cullen is affiliated with Dalhousie University in Canada and focuses their research on Earth and Planetary Sciences as well as Environmental Science. Their work primarily centers on the subfields of Oceanography and Ecology, with research topics including Marine Biology and Ecology Research, Isotope Analysis in Ecology, and Marine and Coastal Ecosystems.

Cullen's recent publication is titled RICHARD W. EPPLEY (1931-2023): Generous Giant in the Field of Biological Oceanography, published in 2024 in the Limnology and Oceanography Bulletin.

  • Limnology and Oceanography Bulletin

Their collaborative efforts include frequent co-authors such as Zoe A. Eppley, Marcel Babin, and Collin S. Roesler.

  • Zoe A. Eppley
  • Marcel Babin
  • Collin S. Roesler

In addition to journal publications, Cullen has contributed to book publications. One notable work is the book titled Real-time Coastal Observing Systems for Marine Ecosystem Dynamics and Harmful Algal Blooms: theory, instrumentation and modelling., published in 2021 by the IOC of UNESCO (Intergovernmental Oceanographic Commission).

Their contributions to the scientific community have been recognized by their election as a Fellow of the Royal Society of Canada in 2012 by the Academy of Science.

Best Publications

  • Mesoscale iron enrichment experiments 1993-2005 : Synthesis and future directions

    P. W. Boyd;T. Jickells;C. S. Law;S. Blain

  • The deep chlorophyll maximum comparing vertical profiles of chlorophyll a

    John J. Cullen

  • Autotrophic picoplankton in the tropical ocean.

    W. K. W. Li;D. V. Subba Rao;W. G. Harrison;J. C. Smith

  • Assessment of the relationships between dominant cell size in natural phytoplankton communities and the spectral shape of the absorption coefficient

    Áurea M. Ciotti;Marlon R. Lewis;John J. Cullen

  • FLUORESCENCE‐BASED MAXIMAL QUANTUM YIELD FOR PSII AS A DIAGNOSTIC OF NUTRIENT STRESS

    Jean-Paul Parkhill;Gary Maillet;John J. Cullen

  • Biological weighting function for the inhibition of phytoplankton photosynthesis by ultraviolet radiation.

    John J. Cullen;Patrick J. Neale;Michael P. Lesser

  • Subsurface Chlorophyll Maximum Layers: Enduring Enigma or Mystery Solved?

    John J. Cullen

  • The kinetics of algal photoadaptation in the context of vertical mixing

    John J. Cullen;Marlon R. Lewis

  • Interactive effects of ozone depletion and vertical mixing on photosynthesis of Antarctic phytoplankton

    Patrick J. Neale;Richard F. Davis;John J. Cullen

  • Phytoplankton and thermal structure in the upper ocean: Consequences of nonuniformity in chlorophyll profile

    Marlon R. Lewis;John J. Cullen;Trevor Platt

  • Monitoring and Management Strategies for Harmful Algal Blooms in Coastal Waters

    Donald M. Anderson;John J. Cullen

  • Inhibition of photosynthesis by ultraviolet radiation as a function of dose and dosage rate: Results for a marine diatom

    J. J. Cullen;M. P. Lesser

  • Hypotheses to explain high-nutrient conditions in the open sea

    John J. Cullen

  • Dis-Crediting Ocean Fertilization

    Sallie W. Chisholm;Paul G. Falkowski;John J. Cullen

  • Photosynthetic characteristics and estimated growth rates indicate grazing is the proximate control of primary production in the equatorial Pacific

    John J. Cullen;Marlon R. Lewis;Curtiss O. Davis;Richard T. Barber

  • Ultraviolet radiation, ozone depletion, and marine photosynthesis

    John J. Cullen;Patrick J. Neale

  • On models of growth and photosynthesis in phytoplankton

    John J. Cullen

  • Effects of nitrate on the diurnal vertical migration, carbon to nitrogen ratio, and the photosynthetic capacity of the dinoflagellate Gymnodinium splendens

    J. J. Cullen;S. G. Horrigan

  • Nutrient Limitation of Marine Photosynthesis

    John J. Cullen;Xiaolong Yang;Hugh L. MacIntyre

  • Relationships between vertical mixing and photoadaptation of phytoplankton: similarity criteria

    M. R. Lewis;J. J. Cullen;T. Platt

  • Optical detection and assessment of algal blooms

    John J. Cullen;Áurea M. Ciotti;Richard F. Davis;Marlon R. Lewis

Frequent Co-Authors

Marlon R. Lewis
Marlon R. Lewis Dalhousie University
Patrick J. Neale
Patrick J. Neale Smithsonian Environmental Research Center
Hugh L. MacIntyre
Hugh L. MacIntyre Dalhousie University
Michael P. Lesser
Michael P. Lesser University of New Hampshire
Scott C. Doney
Scott C. Doney University of Virginia
Philip W. Boyd
Philip W. Boyd University of Tasmania
Kenneth L. Denman
Kenneth L. Denman University of Victoria
Eric P. Chassignet
Eric P. Chassignet Florida State University
Howard I. Browman
Howard I. Browman Norwegian Institute of Marine Research

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