World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
57
Citations
9868
World Ranking
2309
National Ranking
253

John Ludden 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 John Ludden 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: 154 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

John Ludden 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 John Ludden 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: 57 D-Index — 76th percentile

76% 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

  • 2006 - Member of Academia Europaea

Overview

John Ludden is affiliated with Heriot-Watt University in the United Kingdom. Their research spans multiple fields and subfields including Ocean Engineering, Geology, Artificial Intelligence, Environmental Chemistry, and Geochemistry and Petrology.

Their work covers several main topics: Reservoir Engineering and Simulation Methods, Geochemistry and Geologic Mapping, Geological and Geophysical Studies, Methane Hydrates and Related Phenomena, Geological Studies and Exploration, Drilling and Well Engineering, and Geological Modeling and Analysis.

Frequent coauthors collaborating with John Ludden include Terry Plank, Felix M. Gradstein, Andrew C. Adamson, Peter O. Baumgartner, and Roland Beausillon.

John Ludden has published in a variety of venues, notably Zenodo (CERN European Organization for Nuclear Research), Geoenergy, Acta Geologica Sinica - English Edition, OPAL (Open@LaTrobe) at La Trobe University, and Geological Society London Special Publications.

Recent papers authored or co-authored by John Ludden highlight diverse contributions to geoscience:

  • "Where is geoscience going?" (2020), Geological Society London Special Publications

Additional recent relevant papers from the broader co-author network and related venues include:

  • "The need for joined-up thinking in critical raw materials research" (2023), Geoenergy
  • "Geosciences are Important for Humanity! A Model for Enhancing the Geoscience Narrative across Canada" (2025), Geoscience Canada
  • "Preface: The New Progress in Deep Earth Exploration and Practice-DEEP-2021" (2021), Acta Geologica Sinica - English Edition
  • "Table of Contents" (2021), Acta Geologica Sinica - English Edition

John Ludden was recognized as a Member of Academia Europaea in 2006.

Best Publications

  • Composition of altered oceanic crust at ODP Sites 801 and 1149

    Katherine A. Kelley;Terry Plank;John Ludden;Hubert Staudigel

  • Archaean subduction inferred from seismic images of a mantle suture in the Superior Province

    A. J. Calvert;E. W. Sawyer;W. J. Davis;W. J. Davis;J. N. Ludden

  • An evaluation of the behavior of the rare earth elements during the weathering of sea-floor basalt

    John N. Ludden;Geoffrey Thompson

  • Uranium-lead isotopic ages of plagiogranites from the Troodos ophiolite, Cyprus, and their tectonic significance

    Samuel B. Mukasa;John N. Ludden

  • Iron isotope fractionation during oceanic crust alteration

    Olivier Rouxel;Nicolas Dobbek;John Ludden;Yves Fouquet

  • Subsurface processes at the lucky strike hydrothermal field, Mid-Atlantic ridge: evidence from sulfur, selenium, and iron isotopes

    Olivier Rouxel;Yves Fouquet;John N Ludden

  • Archean metavolcanics from the Rouyn - Noranda district, Abitibi greenstone belt, Quebec. 2. Mobility of trace elements and petrogenetic constraints.

    John Ludden;Léopold Gélinas;Pierre Trudel

  • Compositional variation in normal MORB from 22°–25°N: Mid‐Atlantic Ridge and Kane Fracture Zone

    W. B. Bryan;G. Thompson;J. N. Ludden

  • Lead geochronology of zircon by LaserProbe-inductively coupled plasma mass spectrometry (LP-ICPMS)

    Rui Feng;Nuno Machado;John Ludden

  • Copper Isotope Systematics of the Lucky Strike, Rainbow, and Logatchev Sea-Floor Hydrothermal Fields on the Mid-Atlantic Ridge

    Olivier Rouxel;Yves Fouquet;John N. Ludden

  • Hf-Nd input flux in the Izu-Mariana subduction zone and recycling of subducted material in the mantle

    Catherine Chauvel;Jean-Christophe Marini;Terry Plank;Terry Plank;John N. Ludden

  • ARCHEAN CONTINENTAL ASSEMBLY IN THE SOUTHEASTERN SUPERIOR PROVINCE OF CANADA

    A. J. Calvert;J. N. Ludden

  • Subduction cycling of U, Th, and Pb

    Katherine A. Kelley;Terry Plank;Linda Farr;John Ludden

  • Accretion of Archean oceanic plateau fragments in the Abitibi, greenstone belt, Canada

    Jean-Philippe Desrochers;Claude Hubert;John N. Ludden;Pierre Pilote

  • Geochemistry of volcanic rocks associated with Cu-Zn and Ni-Cu deposits in the Abitibi Subprovince

    C. Tucker Barrie;John N. Ludden;Tony H. Green

  • Natural variations of Se isotopic composition determined by hydride generation multiple collector inductively coupled plasma mass spectrometry

    Olivier Rouxel;John Ludden;Jean Carignan;Luc Marin

  • The tectonic evolution of the Abitibi greenstone belt of Canada

    John Ludden;Claude Hubert;Clement Gariépy

  • New insights into the origin and distribution of the DUPAL isotope anomaly in the Indian Ocean mantle from MORB of the Southwest Indian Ridge

    Christine M. Meyzen;John N. Ludden;Eric Humler;Béatrice Luais

  • A model of ocean-crust accretion for the Superior province, Canada

    G. Kimura;J. N. Ludden;J. P. Desrochers;R. Hori

  • The Lithoprobe Abitibi-Grenville transect: two billion years of crust formation and recycling in the Precambrian Shield of Canada

    John Ludden;Andrew Hynes

Frequent Co-Authors

Don Francis
Don Francis McGill University
Olivier Rouxel
Olivier Rouxel French Research Institute for Exploitation of the Sea
Yves Fouquet
Yves Fouquet French Research Institute for Exploitation of the Sea
Bernd Milkereit
Bernd Milkereit University of Toronto
Geoffrey Thompson
Geoffrey Thompson Woods Hole Oceanographic Institution
Jean Carignan
Jean Carignan Centre national de la recherche scientifique, CNRS
Alan G. Green
Alan G. Green ETH Zurich
Terry Plank
Terry Plank Lamont-Doherty Earth Observatory
Jeffrey C. Alt
Jeffrey C. Alt University of Michigan–Ann Arbor
Edward W. Sawyer
Edward W. Sawyer Université du Québec à Chicoutimi

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