World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
66
Citations
12106
World Ranking
1360
National Ranking
608

Robert T. Pappalardo 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 Robert T. Pappalardo 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: 468 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

Robert T. Pappalardo 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 Robert T. Pappalardo 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: 66 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Overview

Robert T. Pappalardo is affiliated with the California Institute of Technology in the United States. Their research focuses on fields within Physics and Astronomy as well as Earth and Planetary Sciences. The primary subfields of study include Astronomy and Astrophysics, Atmospheric Science, Geophysics, Oceanography, and Environmental Chemistry.

The scientist's work spans a range of main topics, prominently featuring Astro and Planetary Science, Planetary Science and Exploration, Geology and Paleoclimatology Research, Methane Hydrates and Related Phenomena, Spacecraft and Cryogenic Technologies, Geophysics and Gravity Measurements, and earthquake and tectonic studies.

Recent publications highlight contributions to the study of Jupiter's moon Europa and related space missions. Key papers include:

  • NASA's Europa Clipper-a mission to a potentially habitable ocean world, 2020, Nature Communications
  • Science Overview of the Europa Clipper Mission, 2024, Space Science Reviews
  • Exploring the Interior of Europa with the Europa Clipper, 2023, Space Science Reviews
  • Planned Geological Investigations of the Europa Clipper Mission, 2024, Space Science Reviews
  • Exploring the Composition of Europa with the Upcoming Europa Clipper Mission, 2024, Space Science Reviews

Frequent co-authors collaborating with Robert T. Pappalardo include:

  • Erin Leonard
  • S. M. Howell
  • Hamish Hay
  • B. J. Buratti
  • D. A. Patthoff

Their work has been published in various venues with several recurrent publication sources, such as:

  • Abstracts with programs - Geological Society of America
  • Icarus
  • Zenodo (CERN European Organization for Nuclear Research)
  • Space Science Reviews
  • Journal of Geophysical Research Planets

Best Publications

  • Evidence for a subsurface ocean on Europa

    Michael H. Carr;Michael J. S. Belton;Clark R. Chapman;Merton E. Davies

  • Does Europa have a subsurface ocean? Evaluation of the geological evidence

    Robert T. Pappalardo;Michael J.S. Belton;H.H. Breneman;M.H. Carr

  • Geological evidence for solid-state convection in Europa's ice shell

    R.T. Pappalardo;J.W. Head;R. Greeley;R.J. Sullivan

  • Tectonic Processes on Europa: Tidal Stresses, Mechanical Response, and Visible Features

    Richard Greenberg;Paul Geissler;Gregory Hoppa;B.Randall Tufts

  • Shear heating as the origin of the plumes and heat flux on Enceladus

    F. Nimmo;J. R. Spencer;R. T. Pappalardo;M. E. Mullen

  • Ocean worlds in the outer solar system

    F. Nimmo;R. T. Pappalardo

  • Geophysical controls of chemical disequilibria in Europa

    S. D. Vance;K. P. Hand;R. T. Pappalardo

  • Europa Clipper Mission Concept: Exploring Jupiter's Ocean Moon

    Cynthia B. Phillips;Robert T. Pappalardo

  • Europa: Initial Galileo Geological Observations

    Ronald Greeley;Robert Sullivan;James Klemaszewski;Kim Homan

  • Galileo's First Images of Jupiter and the Galilean Satellites

    M J. S. Belton;J W. Head;A. P. Ingersoll;R. Greeley

  • NASA's Europa Clipper-a mission to a potentially habitable ocean world.

    Samuel M. Howell;Robert T. Pappalardo

  • Evidence for non-synchronous rotation of Europa

    P. E. Geissler;R. Greenberg;G. Hoppa;P. Helfenstein

  • Morphology of Europan bands at high resolution: A mid‐ocean ridge‐type rift mechanism

    Louise M. Prockter;Louise M. Prockter;James W. Head;Robert T. Pappalardo;Robert J. Sullivan

  • Cryomagmatic Mechanisms for the Formation of Rhadamanthys Linea, Triple Band Margins, and Other Low-Albedo Features on Europa

    Sarah A. Fagents;Ronald Greeley;Robert J. Sullivan;Robert T. Pappalardo

  • Folds on Europa: Implications for Crustal Cycling and Accommodation of Extension

    Louise M. Prockter;and Robert T. Pappalardo

  • Diapir-induced reorientation of Saturn's moon Enceladus

    Francis Nimmo;Robert T. Pappalardo;Robert T. Pappalardo

  • Geologic mapping of Europa

    Ronald Greeley;Patricio H. Figueredo;David A. Williams;Frank C. Chuang

  • Galileo at Io: results from high-resolution imaging.

    A. S. McEwen;M. J. S. Belton;H. H. Breneman;S. A. Fagents

  • Evolution of Lineaments on Europa: Clues from Galileo Multispectral Imaging Observations

    P.E. Geissler;R. Greenberg;G. Hoppa;A. McEwen

  • Science Potential from a Europa Lander

    R. T. Pappalardo;S. Vance;F. Bagenal;B. G. Bills

Frequent Co-Authors

James W. Head
James W. Head Brown University
Ronald Greeley
Ronald Greeley Arizona State University
Louise M. Prockter
Louise M. Prockter Johns Hopkins University Applied Physics Laboratory
Alfred S. McEwen
Alfred S. McEwen University of Arizona
Francis Nimmo
Francis Nimmo University of California, Santa Cruz
Michael H. Carr
Michael H. Carr United States Geological Survey
Jeffrey M. Moore
Jeffrey M. Moore Ames Research Center
Paul M. Schenk
Paul M. Schenk Lunar and Planetary Institute
An Yin
An Yin University of California, Los Angeles
Haje Korth
Haje Korth Johns Hopkins University Applied Physics Laboratory

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