World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
44
Citations
13442
World Ranking
6596
National Ranking
2350

William P. Cochlan 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 William P. Cochlan 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: 76 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

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

William P. Cochlan 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 William P. Cochlan 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: 44 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

William P. Cochlan is affiliated with San Francisco State University in the United States. Their research primarily focuses on environmental science and earth and planetary sciences, with a significant emphasis on subfields such as environmental chemistry, oceanography, global and planetary change, ecology, and molecular biology.

The scientist's work covers several main topics, including:

  • Marine Toxins and Detection Methods
  • Marine and Coastal Ecosystems
  • Microbial Community Ecology and Physiology
  • Protist Diversity and Phylogeny
  • Marine Ecology and Invasive Species
  • Marine Biology and Environmental Chemistry
  • Marine Biology and Ecology Research

Frequent co-authors collaborating with William P. Cochlan include Charles J. Wingert, Brian D. Bill, Adrielle B. Cailipan, Vera L. Trainer, and Christine A. Edmiston.

William P. Cochlan has published research in several scientific venues, notably in Harmful Algae, Marine Pollution Bulletin, DIGITAL.CSIC (Spanish National Research Council (CSIC)), and San Francisco Estuary and Watershed Science. The number of publications in these venues includes two articles in Harmful Algae, and one each in Marine Pollution Bulletin, DIGITAL.CSIC, and San Francisco Estuary and Watershed Science.

Recent selected publications by William P. Cochlan include:

  • "Effects of ocean acidification on the growth, photosynthetic performance, and domoic acid production of the diatom Pseudo-nitzschia australis from the California Current System" (2021), Harmful Algae
  • "Domoic acid production by Pseudo-nitzschia australis: Re-evaluating the role of macronutrient limitation on toxigenicity" (2023), Harmful Algae

Additional publications connected to their research group or frequent collaborators include work on microalgal hull fouling communities, economic assessments of ciguatera outbreaks, and fish distribution assessments in Richardson Bay, California.

Best Publications

  • Eutrophication and harmful algal blooms: A scientific consensus

    J. Heisler;P.M. Glibert;J.M. Burkholder;D.M. Anderson

  • A massive phytoplankton bloom induced by an ecosystem-scale iron fertilization experiment in the equatorial Pacific Ocean

    Kenneth H. Coale;Kenneth S. Johnson;Kenneth S. Johnson;Steve E. Fitzwater;R. Michael Gordon

  • Harmful algal blooms and climate change: Learning from the past and present to forecast the future.

    Mark L. Wells;Vera L. Trainer;Theodore J. Smayda;Bengt S.O. Karlson

  • Harmful algal blooms and eutrophication: Examining linkages from selected coastal regions of the United States

    Donald M. Anderson;Joann M. Burkholder;William P. Cochlan;Patricia M. Glibert

  • Southern Ocean Iron Enrichment Experiment: Carbon Cycling in High- and Low-Si Waters

    Kenneth H. Coale;Kenneth S. Johnson;Francisco P. Chavez;Ken O. Buesseler

  • An unprecedented coastwide toxic algal bloom linked to anomalous ocean conditions

    Ryan M. McCabe;Barbara M. Hickey;Raphael M. Kudela;Kathi A. Lefebvre

  • Pseudo-nitzschia physiological ecology, phylogeny, toxicity, monitoring and impacts on ecosystem health

    Vera L. Trainer;Stephen S. Bates;Nina Lundholm;Anne E. Thessen

  • Future HAB science: Directions and challenges in a changing climate.

    Mark L. Wells;Mark L. Wells;Bengt Karlson;Angela Wulff;Raphael Kudela

  • SPATIAL-DISTRIBUTION OF VIRUSES, BACTERIA AND CHLOROPHYLL-A IN NERITIC, OCEANIC AND ESTUARINE ENVIRONMENTS

    William P Cochlan;Johan Wikner;Grieg F Steward;David C Smith

  • Pelagic harmful algal blooms and climate change: Lessons from nature’s experiments with extremes

    Vera L. Trainer;Stephanie K. Moore;Gustaaf Hallegraeff;Raphael M. Kudela

  • Domoic acid: The synergy of iron, copper, and the toxicity of diatoms

    Mark L. Wells;Charles G. Trick;William P. Cochlan;Margaret P. Hughes

  • The potential role of anthropogenically derived nitrogen in the growth of harmful algae in California, USA

    Raphael M. Kudela;Jenny Q. Lane;William P. Cochlan

  • The role of nutrients in regulation and promotion of harmful algal blooms in upwelling systems

    R.M. Kudela;S. Seeyave;W.P. Cochlan

  • Nitrogen and carbon uptake kinetics and the influence of irradiance for a red tide bloom off southern California

    Raphael M. Kudela;William P. Cochlan

  • Nitrogenous preference of toxigenic Pseudo-nitzschia australis (Bacillariophyceae) from field and laboratory experiments

    Meredith D. Armstrong Howard;William P. Cochlan;Nicolas Ladizinsky;Raphael M. Kudela

  • Inorganic and organic nitrogen uptake by the toxigenic diatom Pseudo-nitzschia australis (Bacillariophyceae)

    William P. Cochlan;Julian Herndon;Raphael M. Kudela

  • Nitrogen utilization by the raphidophyte Heterosigma akashiwo: Growth and uptake kinetics in laboratory cultures

    Julian Herndon;William P. Cochlan

  • Iron enrichment stimulates toxic diatom production in high-nitrate, low-chlorophyll areas

    Charles G. Trick;Brian D. Bill;William P. Cochlan;Mark L. Wells

  • Processes influencing seasonal hypoxia in the northern California Current System

    Thomas P. Connolly;Barbara M. Hickey;S. L. Geier;William P. Cochlan

  • Recent domoic acid closures of shellfish harvest areas in Washington State inland waterways

    Vera L. Trainer;William P. Cochlan;Aleta Erickson;Brian D. Bill;Brian D. Bill

  • Diel periodicity of nitrogen uptake by marine phytoplankton in nitrate-rich environments

    W. P. Cochlan;P. J. Harrison;K. L. Denman

  • The heterotrophic bacterial response during a mesoscale iron enrichment experiment (IronEx II) in the eastern equatorial Pacific Ocean

    William P. Cochlan

  • Estimation of virus production in the sea. II: Field results

    G. F. Steward;J. Wikner;W. P. Cochlan;D. C. Smith

Frequent Co-Authors

Raphael M. Kudela
Raphael M. Kudela University of California, Santa Cruz
Vera L. Trainer
Vera L. Trainer National Oceanic and Atmospheric Administration
Charles G. Trick
Charles G. Trick University of Western Ontario
Mark L. Wells
Mark L. Wells University of Maine
Paul J. Harrison
Paul J. Harrison University of Oxford
Deborah A. Bronk
Deborah A. Bronk Virginia Institute of Marine Science
Donald M. Anderson
Donald M. Anderson Woods Hole Oceanographic Institution
Barbara M. Hickey
Barbara M. Hickey University of Washington
Cynthia A. Heil
Cynthia A. Heil Bigelow Laboratory For Ocean Sciences
Patricia M. Glibert
Patricia M. Glibert University of Maryland Center For Environmental Sciences

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