World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
75
Citations
22225
World Ranking
705
National Ranking
31

Ralf Gellert 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 Ralf Gellert 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: 556 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: 218 publications — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Ralf Gellert 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 Ralf Gellert 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: 181 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: 75 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Overview

Ralf Gellert is affiliated with the University of Guelph in Canada and conducts research primarily in the fields of Physics and Astronomy as well as Earth and Planetary Sciences. Their expertise extends into subfields including Astronomy and Astrophysics, Atmospheric Science, Aerospace Engineering, Paleontology, and Geophysics.

Their research covers a range of topics that focus on planetary and geological sciences. Key topics in their work include:

  • Planetary Science and Exploration
  • Astro and Planetary Science
  • Geology and Paleoclimatology Research
  • Space Exploration and Technology
  • Paleontology and Stratigraphy of Fossils
  • Space Science and Extraterrestrial Life
  • Geological and Geochemical Analysis

Ralf Gellert has contributed to a number of research papers, with several documented examples notably related to Mars exploration and geochemical investigations:

  • Mineralogy and geochemistry of sedimentary rocks and eolian sediments in Gale crater, Mars: A review after six Earth years of exploration with Curiosity (2020), published in Geochemistry
  • Mineralogy of Vera Rubin Ridge From the Mars Science Laboratory CheMin Instrument (2020), published in Journal of Geophysical Research Planets
  • Brine-driven destruction of clay minerals in Gale crater, Mars (2021), published in Science
  • Evidence for Multiple Diagenetic Episodes in Ancient Fluvial-Lacustrine Sedimentary Rocks in Gale Crater, Mars (2020), published in Journal of Geophysical Research Planets
  • Elemental Composition and Chemical Evolution of Geologic Materials in Gale Crater, Mars: APXS Results From Bradbury Landing to the Vera Rubin Ridge (2020), published in Journal of Geophysical Research Planets

Their frequent coauthors include A. S. Yen, L. M. Thompson, J. A. Berger, S. J. VanBommel, and R. V. Morris. Collaboration with these researchers has contributed to advances in the understanding of planetary materials and processes.

Ralf Gellert has published predominantly in venues that focus on planetary and geochemical research. Regular publication venues include:

  • Journal of Geophysical Research Planets
  • Geochemistry
  • Icarus
  • Minerals
  • Abstracts with programs - Geological Society of America

Best Publications

  • A habitable fluvio-lacustrine environment at Yellowknife Bay, Gale crater, Mars.

    J. P. Grotzinger;D. Y. Sumner;L. C. Kah;K. Stack

  • Mars Science Laboratory Mission and Science Investigation

    John P. Grotzinger;Joy Crisp;Ashwin R. Vasavada;Robert C. Anderson

  • Jarosite and hematite at Meridiani Planum from Opportunity's Mössbauer spectrometer

    G. Klingelhöfer;R. V. Morris;B. Bernhardt;C. Schröder

  • Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale crater, Mars.

    J.P. Grotzinger;S. Gupta;M. C. Malin;D.M. Rubin

  • Provenance and diagenesis of the evaporite-bearing Burns formation, Meridiani Planum, Mars

    S.M. McLennan;J.F. Bell;W. M. Calvin;P. R. Christensen

  • Mössbauer mineralogy of rock, soil, and dust at Gusev crater, Mars: Spirit's journey through weakly altered olivine basalt on the plains and pervasively altered basalt in the Columbia Hills

    R. V. Morris;G. Klingelhöfer;C. Schröder;D. S. Rodionov

  • Mars methane detection and variability at Gale crater

    Christopher R. Webster;Paul R. Mahaffy;Sushil K. Atreya;Gregory J. Flesch

  • Detection of silica-rich deposits on Mars.

    Steven W. Squyres;Raymond E. Arvidson;S. Ruff;R. Gellert

  • Volatile and organic compositions of sedimentary rocks in Yellowknife Bay, Gale crater, Mars.

    Douglas W. Ming;P. D. Archer;D. P. Glavin;J. L. Eigenbrode

  • Identification of Carbonate-Rich Outcrops on Mars by the Spirit Rover

    Richard V. Morris;Steven W. Ruff;Ralf Gellert;Douglas W. Ming

  • Alpha Particle X-Ray Spectrometer (APXS): Results from Gusev crater and calibration report

    R. Gellert;R. Gellert;R. Rieder;J. Brückner;B. C. Clark

  • Chemistry of rocks and soils at Meridiani Planum from the Alpha Particle X-ray Spectrometer.

    R. Rieder;R. Gellert;R. C. Anderson;J. Brückner

  • An integrated view of the chemistry and mineralogy of martian soils

    Albert S. Yen;Ralf Gellert;Christian Schröder;Richard V. Morris

  • Chemistry and mineralogy of outcrops at Meridiani Planum

    Benton C. Clark;R. V. Morris;S. M. McLennan;R. Gellert

  • Curiosity at Gale Crater, Mars: Characterization and Analysis of the Rocknest Sand Shadow

    D F Blake;R V Morris;G Kocurek;Shaunna M Morrison

  • Chemistry of Rocks and Soils in Gusev Crater from the Alpha Particle X-ray Spectrometer

    R. Gellert;R. Rieder;R. C. Anderson;J. Brückner

  • Elemental Geochemistry of Sedimentary Rocks at Yellowknife Bay, Gale Crater, Mars.

    S. M. McLennan;R. B. Anderson;J. F. Bell;J. C. Bridges

  • Wind-driven particle mobility on Mars: Insights from Mars Exploration Rover observations at "El Dorado" and surroundings at Gusev Crater

    Robert J Sullivan;Raymond E Arvidson;Jim F Bell;Ralph Gellert

  • Mineralogy of an ancient lacustrine mudstone succession from the Murray formation, Gale crater, Mars

    E. B. Rampe;D. W. Ming;D. F. Blake;T. F. Bristow

  • Redox stratification of an ancient lake in Gale crater, Mars

    J. A. Hurowitz;J. P. Grotzinger;W. W. Fischer;S. M. McLennan

  • Mineralogy at Gusev Crater from the Mossbauer spectrometer on the Spirit Rover

    R. V. Morris;G. Klingelhöfer;B. Bernhardt;C. Schröder

  • The new Athena alpha particle X‐ray spectrometer for the Mars Exploration Rovers

    R. Rieder;R. Gellert;J. Brückner;G. Klingelhöfer

Frequent Co-Authors

Göstar Klingelhöfer
Göstar Klingelhöfer Johannes Gutenberg University of Mainz
A. S. Yen
A. S. Yen Jet Propulsion Lab
Raymond E. Arvidson
Raymond E. Arvidson Washington University in St. Louis
Steven W. Squyres
Steven W. Squyres Cornell University
James F. Bell
James F. Bell Arizona State University
Douglas W. Ming
Douglas W. Ming National Aeronautics and Space Administration
Christian Schröder
Christian Schröder University of Stirling
John P. Grotzinger
John P. Grotzinger California Institute of Technology
Jeffrey R. Johnson
Jeffrey R. Johnson Johns Hopkins University Applied Physics Laboratory
Scott M. McLennan
Scott M. McLennan Stony Brook University

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