World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
77
Citations
16960
World Ranking
1152
National Ranking
500

Robert Sullivan publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Robert Sullivan sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 152 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Robert Sullivan D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Robert Sullivan sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 77 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Robert Sullivan is affiliated with Cornell University in the United States and specializes in the field of Physics and Astronomy, with a focus on Astronomy and Astrophysics. Their research contributions cover a broad range of subfields including Earth-Surface Processes, Atmospheric Science, Aerospace Engineering, and Physiology.

The scientist's main research topics concentrate on Planetary Science and Exploration, Astro and Planetary Science, Aeolian processes and effects, Space Science and Extraterrestrial Life, Geology and Paleoclimatology Research, Space Exploration and Technology, and Spaceflight effects on biology.

Robert Sullivan has authored several peer-reviewed papers in notable scientific journals. Recent publications include:

  • "A Broad Continuum of Aeolian Impact Ripple Morphologies on Mars is Enabled by Low Wind Dynamic Pressures," 2020, Journal of Geophysical Research Planets
  • "Aqueously altered igneous rocks sampled on the floor of Jezero crater, Mars," 2022, Science
  • "The Mars 2020 Perseverance Rover Mast Camera Zoom (Mastcam-Z) Multispectral, Stereoscopic Imaging Investigation," 2021, Space Science Reviews
  • "The Mars Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for the Mars 2020 Mission," 2021, Space Science Reviews
  • "Geological, multispectral, and meteorological imaging results from the Mars 2020 Perseverance rover in Jezero crater," 2022, Science Advances

Frequent co-authors with whom Robert Sullivan has collaborated include Claire Newman, M. T. Lemmon, J. F. Bell, J. N. Maki, and Á. Vicente-Retortillo.

Publication venues where Robert Sullivan has contributed most frequently feature the Journal of Geophysical Research Planets, Zenodo (CERN European Organization for Nuclear Research), Space Science Reviews, Abstracts with programs - Geological Society of America, and Icarus.

Best Publications

  • Evidence for a subsurface ocean on Europa

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

  • Overview of the Spirit Mars Exploration Rover Mission to Gusev Crater: Landing site to Backstay Rock in the Columbia Hills

    R. E. Arvidson;S. W. Squyres;R. C. Anderson;J. F. Bell

  • The Opportunity Rover's Athena science investigation at Meridiani Planum, Mars.

    S. W. Squyres;R. E. Arvidson;J.F. Bell;J. Brückner

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

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

  • 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

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

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

  • Martian Fluvial Conglomerates at Gale Crater

    R. M. E. Williams;J. P. Grotzinger;W. E. Dietrich;S. Gupta

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

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

  • Mars Exploration Rover Athena Panoramic Camera (Pancam) investigation

    J.F. Bell;S. W. Squyres;Kenneth E. Herkenhoff;J.N. Maki

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

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

  • 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

  • Erosion rates at the Mars Exploration Rover landing sites and long-term climate change on Mars

    M. P. Golombek;John A. Grant;Larry S. Crumpler;Ronald Greeley

  • Surface processes recorded by rocks and soils on Meridiani Planum, Mars: Microscopic Imager observations during Opportunity's first three extended missions

    Kenneth E. Herkenhoff;John P. Grotzinger;Andrew H. Knoll;Scott M. McLennan

  • Results from the Mars Pathfinder camera.

    P. H. Smith;J. F. Bell;N. T. Bridges;D. T. Britt

  • Aeolian processes at the Mars Exploration Rover Meridiani Planum landing site.

    R. Sullivan;D. Banfield;J.F. Bell;W. Calvin

  • Curiosity’s Mars Hand Lens Imager (MAHLI) Investigation

    Kenneth S. Edgett;R. Aileen Yingst;Michael A. Ravine;Michael A. Caplinger

  • Overview of the Opportunity Mars Exploration Rover mission to Meridiani Planum: Eagle crater to Purgatory ripple

    S. W. Squyres;R. E. Arvidson;D. Bollen;James F. Bell

  • Spirit Mars Rover Mission: Overview and selected results from the northern Home Plate Winter Haven to the side of Scamander crater

    R. E. Arvidson;James Bell;P. Bellutta;N. A. Cabrol;N. A. Cabrol

  • Mass movement slope streaks imaged by the Mars Orbiter Camera

    Robert Sullivan;Peter Thomas;Joseph Veverka;Michael Malin

  • Europa: Initial Galileo Geological Observations

    Ronald Greeley;Robert Sullivan;James Klemaszewski;Kim Homan

  • Nature and Origin of the Hematite-Bearing Plains of Terra Meridiani Based on Analyses of Orbital and Mars Exploration Rover Data Sets

    R. E. Arvidson;F. Poulet;R. V. Morris;J.-P. Bibring

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

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

  • Overview of the Mars Pathfinder Mission: Launch through landing, surface operations, data sets, and science results

    M.P. Golombek;R.C. Anderson;J.R. Barnes;J.F. Bell

Frequent Co-Authors

Ronald Greeley
Ronald Greeley Arizona State University
Robert T. Pappalardo
Robert T. Pappalardo California Institute of Technology
James W. Head
James W. Head Brown University
Kenneth S. Edgett
Kenneth S. Edgett Malin Space Science Systems (United States)
Paul Geissler
Paul Geissler United States Geological Survey
Peter C. Thomas
Peter C. Thomas Cornell University
James F. Bell
James F. Bell Arizona State University
Kenneth E. Herkenhoff
Kenneth E. Herkenhoff United States Geological Survey
Alfred S. McEwen
Alfred S. McEwen University of Arizona
Catherine M. Weitz
Catherine M. Weitz Planetary Science Institute

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