World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
44
Citations
6992
World Ranking
4731
National Ranking
336

Helmuth 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 Helmuth 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: 187 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Helmuth 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 Helmuth 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: 44 D-Index — 40th percentile

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

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

Overview

Helmuth Thomas is affiliated with the Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research in Germany. Their research broadly spans the fields of Earth and Planetary Sciences and Environmental Science, with a particular focus on Oceanography, Ecology, Atmospheric Science, Environmental Chemistry, and Global and Planetary Change.

The scientist's work centers on several main topics, including Marine and Coastal Ecosystems, Ocean Acidification Effects and Responses, Methane Hydrates and Related Phenomena, Marine and Coastal Plant Biology, Marine Biology and Ecology Research, Microbial Community Ecology and Physiology, as well as Geology and Paleoclimatology Research.

Helmuth Thomas has contributed extensively to scientific literature with numerous publications. Recent papers include:

  • The microbial carbon pump and climate change (2024, Nature Reviews Microbiology)
  • Correcting a major error in assessing organic carbon pollution in natural waters (2021, Science Advances)
  • Calcification-driven CO 2 emissions exceed "Blue Carbon" sequestration in a carbonate seagrass meadow (2021, Science Advances)
  • Eco-engineering approaches for ocean negative carbon emission (2022, Science Bulletin)
  • Metagenomic evidence for the microbial transformation of carboxyl-rich alicyclic molecules: A long-term macrocosm experiment (2022, Water Research)

The scientist frequently collaborates with other researchers. The most common coauthors are:

  • Nianzhi Jiao
  • Jihua Liu
  • Bryce Van Dam
  • Daniel Pröfrock
  • Quanrui Chen

Helmuth Thomas has published in several scientific venues multiple times, including:

  • Biogeosciences
  • Frontiers in Marine Science
  • Science Advances
  • Elementa Science of the Anthropocene
  • Global Biogeochemical Cycles

Best Publications

  • Enhanced Open Ocean Storage of CO2 from Shelf Sea Pumping

    Helmuth Thomas;Yann Bozec;Khalid Elkalay;Hein J. W. de Baar

  • A uniform, quality controlled Surface Ocean CO2 Atlas (SOCAT)

    B. Pfeil;B. Pfeil;B. Pfeil;A. Olsen;D.C.E. Bakker;S. Hankin

  • Carbon and Nutrient Fluxes in Continental Margins

    Helmuth Thomas;Janusz Pempkowiak;Fred Wulff;Klaus Nagel

  • The Carbon budget of the North Sea

    H. Thomas;Y. Bozec;H. J. W. de Baar;K. Elkalay

  • The seasonal cycle of carbon dioxide in Baltic Sea surface waters

    Helmuth Thomas;Bernd Schneider

  • Enhanced ocean carbon storage from anaerobic alkalinity generation in coastal sediments

    H. Thomas;L.-S. Schiettecatte;K. Suykens;Y.J.M. Koné

  • Changes in the North Atlantic Oscillation influence CO2 uptake in the North Atlantic over the past 2 decades

    H. Thomas;Friederike Prowe;I.D. Lima;S.C. Doney

  • Biogenic carbon flows through the planktonic food web of the Amundsen Gulf (Arctic Ocean): A synthesis of field measurements and inverse modeling analyses

    Alexandre Forest;Jean-Éric Tremblay;Yves Gratton;Johannie Martin

  • Surface Ocean CO2 Atlas (SOCAT) gridded data products

    C.L. Sabine;S. Hankin;H. Koyuk;H. Koyuk;D.C.E. Bakker

  • At-sea intercomparison of two newly designed underway pCO2 systems — encouraging results

    Arne Körtzinger;Helmuth Thomas;Bernd Schneider;Nicole Gronau

  • The carbonate system in the North Sea: sensitivity and model validation

    Yuri Artioli;Jeremy C. Blackford;Momme Butenschön;Jason T. Holt

  • The North Sea — A shelf sea in the Anthropocene

    Kay-Christian Emeis;Justus van Beusekom;Ulrich Callies;Ralf Ebinghaus

  • Preferential recycling of nutrients—the ocean's way to increase new production and to pass nutrient limitation?

    Helmuth Thomas;Venugopalan Ittekkot;Christoph Osterroht;Bernd Schneider

  • The continental shelf pump for CO2 in the North Sea - evidence from summer observation

    Yann Bozec;Helmuth Thomas;Khalid Elkalay;Hein J.W. de Baar

  • Ocean and coastal acidification off New England and Nova Scotia

    Dwight K. Gledhill;Meredith M. White;Joseph E. Salisbury;Helmuth Thomas

  • Controls of the surface water partial pressure of CO2 in the North Sea

    H. Thomas;Y. Bozec;K. Elkalay;de Henricus Baar

  • Rapid decline of the CO2 buffering capacity in the North Sea and implications for the North Atlantic Ocean

    Helmuth Thomas;A. E. Friederike Prowe;Steven van Heuven;Yann Bozec

  • High temporal coverage of carbon dioxide measurements in the Southern Bight of the North Sea

    L. S. Schiettecatte;H. Thomas;Y. Bozec;Alberto Borges

  • Surface Ocean pCO2 Seasonality and Sea-Air CO2 Flux Estimates for the North American East Coast

    Sergio R. Signorini;Antonio Mannino;Raymond G. Najjar;Marjorie A. M. Friedrichs

  • Wintertime CO2 fluxes in an Arctic polynya using eddy covariance: Evidence for enhanced air-sea gas transfer during ice formation

    B. G T Else;T. N. Papakyriakou;R. J. Galley;William M Drennan

  • Dynamics of pCO2 and related air-ice CO2 fluxes in the Arctic coastal zone (Amundsen Gulf, Beaufort Sea)

    Nicolas Xavier Geilfus;Nicolas Xavier Geilfus;Nicolas Xavier Geilfus;Gauthier Carnat;Tim Papakyriakou;Jean-Louis Tison

  • At-sea intercomparison of two newly designed underway pCO 2 systems - Encouraging results

    Arne Körtzinger;Helmuth Thomas;Bernd Schneider;Nicole Gronau

Frequent Co-Authors

Alberto Borges
Alberto Borges University of Liège
Tim Papakyriakou
Tim Papakyriakou University of Manitoba
Alfonso Mucci
Alfonso Mucci McGill University
Lisa A. Miller
Lisa A. Miller Fisheries and Oceans Canada
Hein J W de Baar
Hein J W de Baar University of Groningen
Abdirahman M Omar
Abdirahman M Omar NORCE Research
Michael E. Böttcher
Michael E. Böttcher Leibniz Institute for Baltic Sea Research
Brent Else
Brent Else University of Calgary
Joe Salisbury
Joe Salisbury University of New Hampshire
Truls Johannessen
Truls Johannessen University of Bergen

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