World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
78
Citations
33668
World Ranking
573
National Ranking
287

Ellen Thomas publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Ellen Thomas sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 405 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Ellen Thomas D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Ellen Thomas sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 78 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 2012 - Fellow of American Geophysical Union (AGU)
  • 2010 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Ellen Thomas is affiliated with Yale University in the United States and conducts research primarily in Earth and Planetary Sciences. Their scholarly output includes 69 publications within this main field, covering a diverse range of subfields such as Atmospheric Science, Oceanography, Paleontology, Ecology, and Surgery.

The scientist's work extensively spans several research topics, with notable emphasis on Geology and Paleoclimatology Research, Marine Biology and Ecology Research, Paleontology and Stratigraphy of Fossils, Isotope Analysis in Ecology, Evolution and Paleontology Studies, as well as Marine and Coastal Ecosystems and Plant Biology.

Recent publications include:

  • On impact and volcanism across the Cretaceous-Paleogene boundary (2020), Science
  • The enigma of Oligocene climate and global surface temperature evolution (2020), Proceedings of the National Academy of Sciences
  • Miocene Evolution of North Atlantic Sea Surface Temperature (2020), Paleoceanography and Paleoclimatology
  • Turnover and stability in the deep sea: Benthic foraminifera as tracers of Paleogene global change (2020), Global and Planetary Change
  • Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact (2020), Earth and Planetary Science Letters

The frequent collaborators of Ellen Thomas include:

  • Pincelli M. Hull
  • Laia Alegret
  • Ann C. Burke
  • James C. Zachos
  • Gabriela J. Arreguín-Rodríguez

Their publications appear regularly in a variety of venues, with multiple contributions to:

  • Abstracts with programs - Geological Society of America
  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Paleoceanography and Paleoclimatology
  • Earth and Planetary Science Letters

Ellen Thomas has authored books in addition to journal publications, including a work published by Cambridge University Press titled Earth History of Oxygen and the iprOxy (2020), which has garnered citations within the academic community.

Their professional distinctions include being named a Fellow of the American Geophysical Union (AGU) in 2012 and a Fellow of the American Association for the Advancement of Science (AAAS) in 2010.

Best Publications

  • Trends, Rhythms, and Aberrations in Global Climate 65 Ma to Present

    James Zachos;Mark Pagani;Lisa Sloan;Ellen Thomas;Ellen Thomas

  • Rapid acidification of the ocean during the Paleocene-Eocene thermal maximum.

    James C. Zachos;Ursula Röhl;Stephen A. Schellenberg;Appy Sluijs

  • The Geological Record of Ocean Acidification

    Bärbel Hönisch;Andy Ridgwell;Daniela N. Schmidt;Ellen Thomas;Ellen Thomas

  • Astronomical pacing of late Palaeocene to early Eocene global warming events

    Lucas J. Lourens;Appy Sluijs;Dick Kroon;James C. Zachos

  • Chapter Seven Paleoceanographical Proxies Based on Deep-Sea Benthic Foraminiferal Assemblage Characteristics

    Frans J. Jorissen;Christophe Fontanier;Ellen Thomas

  • The Paleocene-Eocene benthic foraminiferal extinction and stable isotope anomalies

    Ellen Thomas;Nicholas J. Shackleton

  • Chapter 11 – Carbon Isotope Stratigraphy

    M.R. Saltzman;E. Thomas

  • Warming the fuel for the fire: Evidence for the thermal dissociation of methane hydrate during the Paleocene-Eocene thermal maximum

    Deborah J. Thomas;James C. Zachos;Timothy J. Bralower;Ellen Thomas

  • Very large release of mostly volcanic carbon during the Palaeocene–Eocene Thermal Maximum

    Marcus Gutjahr;Andy Ridgwell;Philip F Sexton;Eleni Anagnostou

  • Paleoceanographical proxies based on deep-sea benthic foraminiferal assemblage characteristics

    Frans J. Jorissen;Christophe Fontanier;Ellen Thomas

  • Origin, signature and palaeoclimatic influence of the Antarctic Circumpolar Current

    P.F. Barker;E. Thomas;E. Thomas

  • Late Cretaceous through Neogene deep-sea benthic foraminifera(Maud Rise, Weddell Sea, Antarctica)

    E. Thomas

  • Rapid diversification of planktonic foraminifera in the tropical Pacific (ODP Site 865) during the late Paleocene thermal maximum

    D. Clay Kelly;Timothy J. Bralower;James C. Zachos;Isabella Premoli Silva

  • Biogeography of the Late Paleocene Benthic Foraminiferal Extinction

    Ellen Thomas

  • On impact and volcanism across the Cretaceous-Paleogene boundary

    Pincelli M. Hull;André Bornemann;Donald E. Penman;Michael J. Henehan;Michael J. Henehan

  • Cenozoic mass extinctions in the deep sea: What perturbs the largest habitat on Earth?

    Ellen Thomas

  • Sudden climate transitions during the Quaternary

    Jonathan Adams;Mark Maslin;Ellen Thomas

  • Late Paleocene to Eocene paleoceanography of the equatorial Pacific Ocean: Stable isotopes recorded at Ocean Drilling Program Site 865, Allison Guyot

    Timothy J. Bralower;James C. Zachos;Ellen Thomas;Matthew Parrow

  • Initial Reports of the Deep Sea Drilling Project, vol. 85

    Larry A. Mayer;Fritz Theyer;John A. Barron;Dean A. Dunn

  • The Palaeocene-Eocene Thermal Maximum Super Greenhouse: Biotic and Geochemical Signatures, age Models and Mechanisms of Climate Change

    Ellen Thomas;Ellen Thomas

  • Causes and consequences of globally warm climates in the early Paleogene

    Scott L. Wing;Philip D. Gingerich;Birger Schmitz;Ellen Thomas

  • The geological record of ocean acidification

    B. Hoenisch;A. J. Ridgwell;E. Thomas;J. C. Zachos

Frequent Co-Authors

James C. Zachos
James C. Zachos University of California, Santa Cruz
Andy Ridgwell
Andy Ridgwell University of California, Riverside
Laia Alegret
Laia Alegret University of Zaragoza
Johan C. Varekamp
Johan C. Varekamp Wesleyan University
Zunli Lu
Zunli Lu Syracuse University
Rosalind E. M. Rickaby
Rosalind E. M. Rickaby University of Oxford
Appy Sluijs
Appy Sluijs Utrecht University
Pincelli M. Hull
Pincelli M. Hull Yale University
Adina Paytan
Adina Paytan University of California, Santa Cruz
Daniela N Schmidt
Daniela N Schmidt University of Bristol

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