World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
66
Citations
12846
World Ranking
1354
National Ranking
605

Thomas C. Johnson 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 Thomas C. Johnson sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 187 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Thomas C. Johnson 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 Thomas C. Johnson sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 66 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Research.com Recognitions

  • 2013 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2011 - Fellow of American Geophysical Union (AGU)
  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Thomas C. Johnson is affiliated with the University of Massachusetts Amherst in the United States. Their research contributions span several areas within Earth and Planetary Sciences, with a focus on atmospheric science, genetics, paleontology, nature and landscape conservation, and anthropology.

The scientist's work includes studies on geology and paleoclimatology, fish ecology and management, genetic diversity and population structure, Pleistocene-era hominins and archaeology, cryospheric observations, and geological formations and processes.

Frequent co-authors of Thomas C. Johnson include Manuel Chevalier, Brian Chase, Lynne J. Quick, Lydie M Dupont, and Jacob M. Rash.

Their research has been published in a variety of scientific journals, some of which have appeared more than once in their publication record. These publication venues include:

  • Geology
  • Quaternary Research
  • Restoration Ecology
  • North American Journal of Fisheries Management
  • The Holocene

Notable recent papers have covered topics ranging from paleoclimate change to fish conservation, including:

  • "Temperature change in subtropical southeastern Africa during the past 790,000 yr," published in 2020 by Geology
  • "Moraines and late-glacial stratigraphy in central Lake Superior," published in 2020 by Quaternary Research
  • "Using genetic data to advance stream fish reintroduction science: a case study in brook trout," published in 2022 by Restoration Ecology
  • "Development of Genetic Baseline Information to Support the Conservation and Management of Wild Brook Trout in North Carolina," published in 2020 by North American Journal of Fisheries Management
  • "Mean Annual Temperature changes reconstructions from marine core MD96-2048," published in 2020 by Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)

Thomas C. Johnson has been recognized by scientific societies through several fellowships, including:

  • Fellow of the American Association for the Advancement of Science (AAAS) in 2009 and 2013
  • Fellow of American Geophysical Union (AGU) in 2011
  • Fellow of the Geological Society of America

Best Publications

  • Late pleistocene desiccation of Lake Victoria and rapid evolution of cichlid fishes

    Thomas C. Johnson;Christopher A. Scholz;Michael R. Talbot;Kerry Kelts

  • Global climate evolution during the last deglaciation

    Peter U. Clark;Jeremy D. Shakun;Paul A. Baker;Patrick J. Bartlein

  • History and timing of human impact on Lake Victoria, East Africa.

    Dirk Verschuren;Thomas C. Johnson;Hedy J. Kling;David N. Edgington

  • East African megadroughts between 135 and 75 thousand years ago and bearing on early-modern human origins

    Christopher A. Scholz;Thomas C. Johnson;Andrew S. Cohen;John W. King

  • The Limnology, Climatology And Paleoclimatology of the East African Lakes

    Eric O Odada;Thomas C Johnson

  • Ecological consequences of early Late Pleistocene megadroughts in tropical Africa.

    Andrew S. Cohen;Jeffery R. Stone;Kristina R.M. Beuning;Lisa E. Park

  • Major Low Levels of Lake Malawi and their Implications for Speciation Rates in Cichlid Fishes

    R. B. Owen;R. Crossley;T. C. Johnson;D. Tweddle

  • Crenarchaeotal membrane lipids in lake sediments : a new paleotemperature proxy for continental paleoclimate reconstruction?

    Lindsay A. Powers;Josef P. Werne;Thomas C. Johnson;Ellen C. Hopmans

  • The Holocene paleolimnology of Lake Issyk-Kul, Kyrgyzstan: Trace element and stable isotope composition of ostracodes

    Richard D Ricketts;Thomas C Johnson;Erik T Brown;Kenneth A Rasmussen

  • A high-resolution paleoclimate record spanning the past 25,000 years in southern East Africa.

    Thomas C. Johnson;Erik T. Brown;James McManus;Sylvia Barry

  • Carbon cycling in large lakes of the world: A synthesis of production, burial, and lake-atmosphere exchange estimates

    Simone R. Alin;Thomas C. Johnson

  • The Holocene History of Lake Victoria

    Thomas C. Johnson;Kerry Kelts;Eric Odada

  • Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka

    Christine S. Lane;Ben T. Chorn;Thomas C. Johnson

  • Large temperature variability in the southern African tropics since the Last Glacial Maximum

    Lindsay A. Powers;Thomas C. Johnson;Josef P. Werne;Isla S. Castañeda

  • Simulating the transient evolution and abrupt change of Northern Africa atmosphere–ocean–terrestrial ecosystem in the Holocene ☆

    Z Liu;Yi Wang;R Gallimore;F Gasse

  • Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years

    E. T. Brown;T. C. Johnson;C. A. Scholz;A. S. Cohen

  • Molecular records of climate variability and vegetation response since the Late Pleistocene in the Lake Victoria basin, East Africa

    Melissa A. Berke;Thomas C. Johnson;Josef P. Werne;Josef P. Werne;Kliti Grice

  • The late Pleistocene desiccation of Lake Victoria and the origin of its endemic biota

    J. C. Stager;T. C. Johnson

  • A high-resolution geochemical record from Lake Edward, Uganda Congo and the timing and causes of tropical African drought during the late Holocene

    James M. Russell;Thomas C. Johnson

  • Anthropogenic climate change has altered primary productivity in Lake Superior

    M. D. O'Beirne;M. D. O'Beirne;J. P. Werne;J. P. Werne;R. E. Hecky;T. C. Johnson

  • Consequences of Early Late-Pleistocene Megadroughts in Tropical Africa

    Andrew S Cohen;Jeffery R. Stone;Kristina R M Beuning;Lisa E Park

Frequent Co-Authors

Christopher A. Scholz
Christopher A. Scholz Syracuse University
Josef P. Werne
Josef P. Werne University of Pittsburgh
Erik T. Brown
Erik T. Brown University of Minnesota
Andrew S. Cohen
Andrew S. Cohen University of Arizona
John W. King
John W. King University of Rhode Island
James M. Russell
James M. Russell Brown University
Christine S. Lane
Christine S. Lane University of Cambridge
Michael R. Talbot
Michael R. Talbot University of Bergen
Stefan Schouten
Stefan Schouten Utrecht University
Isla S. Castañeda
Isla S. Castañeda University of Massachusetts Amherst

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