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D-Index & Metrics

Earth Science

D-Index
73
Citations
16369
World Ranking
821
National Ranking
50

Klaus Wallmann 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 Klaus Wallmann 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: 453 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Klaus Wallmann 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 Klaus Wallmann 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: 73 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Overview

Klaus Wallmann is affiliated with the GEOMAR Helmholtz Centre for Ocean Research Kiel in Germany. Their research contributions span several interconnected areas within Earth and Planetary Sciences and Environmental Science, with a strong focus on oceanographic and geochemical processes.

Their research covers key subfields including Oceanography, Environmental Chemistry, Geochemistry and Petrology, Atmospheric Science, and Mechanics of Materials. The primary topics addressed in their work concentrate on Methane Hydrates and Related Phenomena, Marine and Coastal Ecosystems, Geology and Paleoclimatology Research, Geochemistry and Elemental Analysis, Hydrocarbon Exploration and Reservoir Analysis, CO2 Sequestration and Geologic Interactions, and Paleontology and Stratigraphy of Fossils.

Klaus Wallmann has a record of publications in various peer-reviewed journals, frequently contributing to:

  • Marine and Petroleum Geology
  • Frontiers in Marine Science
  • Communications Earth & Environment
  • Frontiers in Climate
  • Goldschmidt2021 abstracts

Notable recent papers include:

  • Kinetics of Olivine Weathering in Seawater: An Experimental Study, 2022, Frontiers in Climate
  • Permian-Triassic mass extinction pulses driven by major marine carbon cycle perturbations, 2020, Nature Geoscience
  • A 35-million-year record of seawater stable Sr isotopes reveals a fluctuating global carbon cycle, 2021, Science
  • Cretaceous oceanic anoxic events prolonged by phosphorus cycle feedbacks, 2020, Climate of the past
  • Recycling and Burial of Biogenic Silica in an Open Margin Oxygen Minimum Zone, 2020, Global Biogeochemical Cycles

Their frequent coauthors reflect interdisciplinary collaboration and include Andrew W. Dale, Mark Schmidt, Florian Scholz, Michael Fuhr, and Sonja Geilert.

Klaus Wallmann has also contributed to book publications, notably with Maribus eBooks, including the work titled World ocean review: Mit den Meeren leben 7. Lebensgarant Ozean - nachhaltig nutzen, wirksam schützen published in 2021.

Best Publications

  • Gas hydrate destabilization: enhanced dewatering, benthic material turnover and large methane plumes at the Cascadia convergent margin

    Erwin Suess;M. Torres;Gerhard Bohrmann;R. W. Collier

  • Fluid flow, methane fluxes, carbonate precipitation and biogeochemical turnover in gas hydrate-bearing sediments at Hydrate Ridge, Cascadia Margin: numerical modeling and mass balances

    Roger Luff;Klaus J. G. Wallmann

  • Anaerobic oxidation of methane above gas hydrates at Hydrate Ridge, NE Pacific Ocean

    Tina Treude;Antje Boetius;Katrin Knittel;Klaus Wallmann

  • The oxygen isotope evolution of seawater: A critical review of a long-standing controversy and an improved geological water cycle model for the past 3.4 billion years

    Jasmine B.D. Jaffrés;Graham A. Shields;Klaus Wallmann

  • Gas hydrate growth, methane transport, and chloride enrichment at the southern summit of Hydrate Ridge, Cascadia margin off Oregon

    Marta E Torres;Klaus Wallmann;Anne M Tréhu;Gerhard Bohrmann

  • Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification

    Arne Biastoch;Tina Treude;Lars H. Rüpke;Ulf Riebesell

  • Controls on the cretaceous and cenozoic evolution of seawater composition, atmospheric CO2 and climate

    Klaus Wallmann

  • The Global Inventory of Methane Hydrate in Marine Sediments: A Theoretical Approach

    Klaus Wallmann;Elena Pinero;Ewa Burwicz;Matthias Haeckel

  • Fluid expulsion related to mud extrusion off Costa Rica¿A window to the subducting slab

    Christian Hensen;Klaus Wallmann;Mark Schmidt;César R. Ranero

  • Silicate weathering in anoxic marine sediments

    Klaus Wallmann;Giovanni Aloisi;Matthias Haeckel;P. Tishchenko

  • Calculation of the stability and solubility of methane hydrate in seawater

    Pavel Tishchenko;Christian Hensen;Klaus Wallmann;Chi Shing Wong

  • Early diagenesis of redox-sensitive trace metals in the Peru upwelling area – response to ENSO-related oxygen fluctuations in the water column

    Florian Scholz;Christian Hensen;Anna Noffke;Anne Rohde

  • Calcium isotope record of Phanerozoic oceans: Implications for chemical evolution of seawater and its causative mechanisms

    Juraj Farkaš;Florian Böhm;Klaus Wallmann;John Blenkinsop

  • The geological water cycle and the evolution of marine δ 18 O values

    Klaus Wallmann

  • Paleoclimates, ocean depth, and the oxygen isotopic composition of seawater

    James F. Kasting;M. Tazewell Howard;Klaus Wallmann;Ján Veizer

  • Kinetics of organic matter degradation, microbial methane generation, and gas hydrate formation in anoxic marine sediments

    Klaus Wallmann;Giovanni Aloisi;Matthias Haeckel;A. Obzhirov

  • Early diagenetic processes, fluxes, and reaction rates in sediments of the South Atlantic

    Horst D Schulz;Andreas Dahmke;Uwe Schinzel;Klaus Wallmann

  • Dissolution kinetics of biogenic silica from the water column to the sediments

    Dirk Rickert;Michael Schlüter;Michael Schlüter;Klaus J. G. Wallmann

  • Hydrogeological system of erosional convergent margins and its influence on tectonics and interplate seismogenesis

    C. R. Ranero;I. Grevemeyer;H. Sahling;U. Barckhausen

  • Numerical modeling of carbonate crust formation at cold vent sites: significance for fluid and methane budgets and chemosynthetic biological communities

    Roger Luff;Klaus Wallmann;Giovanni Aloisi

Frequent Co-Authors

Christian Hensen
Christian Hensen GEOMAR Helmholtz Centre for Ocean Research Kiel
Andrew W. Dale
Andrew W. Dale GEOMAR Helmholtz Centre for Ocean Research Kiel
Gerhard Bohrmann
Gerhard Bohrmann University of Bremen
Matthias Haeckel
Matthias Haeckel GEOMAR Helmholtz Centre for Ocean Research Kiel
Mark Schmidt
Mark Schmidt GEOMAR Helmholtz Centre for Ocean Research Kiel
Giovanni Aloisi
Giovanni Aloisi Institut de Physique du Globe de Paris
Florian Scholz
Florian Scholz Universität Hamburg
Peter Linke
Peter Linke GEOMAR Helmholtz Centre for Ocean Research Kiel
Thomas Pape
Thomas Pape University of Copenhagen
Volker Liebetrau
Volker Liebetrau GEOMAR Helmholtz Centre for Ocean Research Kiel

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