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D-Index & Metrics

Earth Science

D-Index
39
Citations
8303
World Ranking
6018
National Ranking
101

George Postma 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 George Postma 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: 85 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

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

George Postma 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 George Postma 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: 39 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

George Postma is affiliated with Utrecht University in the Netherlands. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions in Environmental Science and Engineering. The scientist has a particular interest in the subfields of Earth-Surface Processes, Ecology, Mechanical Engineering, Soil Science, and Geochemistry and Petrology.

Their work covers several main topics including:

  • Geological formations and processes
  • Hydrology and Sediment Transport Processes
  • Hydraulic Fracturing and Reservoir Analysis
  • Soil erosion and sediment transport
  • Geological Modeling and Analysis
  • Hydrocarbon exploration and reservoir analysis

George Postma has contributed to a number of publications across reputable journals. Their recent papers include:

  • Reconstruction of bedform dynamics controlled by supercritical flow in the channel-lobe transition zone of a deep-water delta (Sant Llorenç del Munt, north-east Spain, Eocene), 2020, Sedimentology
  • Decadal architecture and morphodynamics of modern, river-fed turbidite systems: Bute Inlet and Congo Fan, 2024, Journal of Sedimentary Research
  • Deepwater Geoscience: 1st Bouma Special Publication, 2025, Journal of Sedimentary Research

The scientist frequently publishes in the following venues:

  • Journal of Sedimentary Research
  • Sedimentology

They collaborate with several co-authors, including:

  • Jörg Lang
  • D. C. J. D. Hoyal
  • Juan J. Fedele
  • Timothy M. Demko
  • Vitor Abreu

Best Publications

  • Large floating clasts in turbidites: a mechanism for their emplacement

    George Postma;Wojciech Nemec;Karen L. Kleinspehn

  • Depositional Architecture and Facies of River and Fan Deltas: A Synthesis

    G. Postma

  • Quaternary Alluvial Fans in Southwestern Crete: Sedimentation Processes and Geomorphic Evolution

    W. Nemec;G. Postma

  • Classification for sediment gravity-flow deposits based on flow conditions during sedimentation

    George Postma

  • A 300-kyr record of aridity and wind strength in southwestern Africa: inferences from grain-size distributions of sediments on Walvis Ridge, SE Atlantic

    Jan-Berend W. Stuut;Maarten A. Prins;Ralph R. Schneider;Gert Jan Weltje

  • Morphodynamics and sedimentary structures of bedforms under supercritical-flow conditions: New insights from flume experiments

    Matthieu J.B. Cartigny;Dario Ventra;George Postma;Jan H. van Den Berg

  • A comparative study of sediment waves and cyclic steps based on geometries, internal structures and numerical modeling

    Matthieu J.B. Cartigny;George Postma;Jan H. van den Berg;Dick R. Mastbergen

  • Controls on terrigenous sediment supply to the Arabian Sea during the late Quaternary: the Makran continental slope

    M Prins;G Postma;Gert Jan Weltje

  • An analysis of the variation in delta architecture

    George Postma

  • Key Future Directions For Research On Turbidity Currents and Their Deposits

    Peter J. Talling;Joshua Allin;Dominic A. Armitage;Robert W.C. Arnott

  • Resedimented conglomerates in the bottomsets of Gilbert-type gravel deltas

    George Postma;Thomas B. Roep

  • Supercritical and subcritical turbidity currents and their deposits—A synthesis

    George Postma;Matthieu J.B. Cartigny

  • Mass-Flow Conglomerates in a Submarine Canyon: Abrioja Fan-Delta, Pliocene, Southeast Spain

    George Postma

  • Controls on terrigenous sediment supply to the Arabian Sea during the late Quaternary: the Indus Fan

    M.A. Prins;G. Postma;J. Cleveringa;A. Cramp

  • Water escape structures in the context of a depositional model of a mass flow dominated conglomeratic fan‐delta (Abrioja Formation, Pliocene, Almeria Basin, SE Spain)

    George Postma

  • Slumps and their deposits in fan delta front and slope

    George Postma

  • Fluvial response to sea‐level changes: a quantitative analogue, experimental approach

    M. W. I. M. Van Heijst;G. Postma

  • Structureless, coarse-tail graded Bouma Ta formed by internal hydraulic jump of the turbidity current?

    George Postma;Matthieu Cartigny;Kick Kleverlaan

  • Autocyclic behaviour of fan deltas: an analogue experimental study

    Maurits Van Dijk;George Postma;Maarten G. Kleinhans

  • Recognition of cyclic steps in sandy and gravelly turbidite sequences, and consequences for the Bouma facies model

    George Postma;Kick Kleverlaan;Matthieu J. B. Cartigny

  • The geology of fluvial deposits, sedimentary facies, basin analysis and petroleum geology

    George Postma

  • Book Review: Sedimentary petrology. Harvey Blatt. W.H. Freeman and Company, Oxford, 1992, 2nd ed., 514 pp., 309 illustrations, £38.95 (hardcover), ISBN 0-7167-2273-9

    George Postma

Frequent Co-Authors

Matthieu J.B. Cartigny
Matthieu J.B. Cartigny Durham University
Maarten G. Kleinhans
Maarten G. Kleinhans Utrecht University
Maarten A. Prins
Maarten A. Prins Vrije Universiteit Amsterdam
Ernst Hauber
Ernst Hauber German Aerospace Center
Jan-Berend W Stuut
Jan-Berend W Stuut Vrije Universiteit Amsterdam
Wojciech Nemec
Wojciech Nemec University of Bergen
Ralph R Schneider
Ralph R Schneider Kiel University
Jaco H. Baas
Jaco H. Baas Bangor University
G.J. van der Zwaan
G.J. van der Zwaan Utrecht University
Esther J. Sumner
Esther J. Sumner University of Southampton

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