World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
70
Citations
16487
World Ranking
1695
National Ranking
712

G. R. Gladstone 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 G. R. Gladstone 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: 875 publications — 100th percentile

100% of scientists in this discipline score the same or lower.

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

G. R. Gladstone 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 G. R. Gladstone 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: 70 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Overview

G. R. Gladstone is affiliated with the Southwest Research Institute in the United States and specializes in physics and astronomy, with a strong focus on astronomy and astrophysics. Their work spans multiple subfields including molecular biology, atmospheric science, aerospace engineering, and geophysics.

Their research interests prominently cover topics such as astro and planetary science, planetary science and exploration, solar and space plasma dynamics, geomagnetism and paleomagnetism studies, ionosphere and magnetosphere dynamics, stellar, planetary, and galactic studies, and astrophysics and star formation studies.

Gladstone has contributed extensively to the scientific literature, with publications appearing most frequently in the following venues:

  • Journal of Geophysical Research Space Physics
  • Zenodo (CERN European Organization for Nuclear Research)
  • arXiv (Cornell University)
  • Geophysical Research Letters
  • Journal of Geophysical Research Planets

Some recent publications by Gladstone include:

  • "Energetic Particles and Acceleration Regions Over Jupiter's Polar Cap and Main Aurora: A Broad Overview," 2020, Journal of Geophysical Research Space Physics
  • "Anomalous Flux in the Cosmic Optical Background Detected with New Horizons Observations," 2022, The Astrophysical Journal Letters
  • "Science Overview of the Europa Clipper Mission," 2024, Space Science Reviews
  • "Energy Flux and Characteristic Energy of Electrons Over Jupiter's Main Auroral Emission," 2020, Journal of Geophysical Research Space Physics
  • "On the origin & thermal stability of Arrokoth's and Pluto's ices," 2020, Icarus

Their research collaborations often involve frequent co-authors such as T. K. Greathouse, J. E. P. Connerney, Denis Grodent, Bertrand Bonfond, and Vincent Hue.

Best Publications

  • The Pluto system: Initial results from its exploration by New Horizons.

    S. A. Stern;F. Bagenal;K. Ennico;G. R. Gladstone

  • Far Ultraviolet Imaging from the Image Spacecraft: 1. System Design

    S. B. Mende;H. Heetderks;H. U. Frey;M. Lampton

  • Photochemical Production of Formaldehyde in Earth's Primitive Atmosphere

    Joseph P. Pinto;G. Randall Gladstone;Yuk Ling Yung

  • Photochemistry of Saturn's Atmosphere: I. Hydrocarbon Chemistry and Comparisons with ISO Observations

    Julianne I. Moses;Bruno Bézard;Emmanuel Lellouch;G.Randall Gladstone

  • Hydrocarbon photochemistry in the upper atmosphere of Jupiter.

    G. Randall Gladstone;Mark Allen;Y. L. Yung

  • Photochemistry and diffusion in Jupiter's stratosphere: Constraints from ISO observations and comparisons with other giant planets

    J. I. Moses;T. Fouchet;B. Bézard;G. R. Gladstone

  • Ultraviolet emissions from the magnetic footprints of Io, Ganymede and Europa on Jupiter

    J. T. Clarke;J. Ajello;G. Ballester;L. Ben Jaffel

  • A pulsating auroral X-ray hot spot on Jupiter

    G. R. Gladstone;J. H. Waite;Denis Grodent;W. S. Lewis

  • The atmosphere of Pluto as observed by New Horizons

    G. R. Gladstone;S. A. Stern;K. Ennico;C. B. Olkin

  • A new model for Mars atmospheric dust based upon analysis of ultraviolet through infrared observations from Mariner 9, Viking, and Phobos

    R. T. Clancy;S. W. Lee;G. R. Gladstone;W. W. McMillan

  • Magnetospheric Science Objectives of the Juno Mission

    Fran Bagenal;A. Adriani;F. Allegrini;F. Allegrini;S.J. Bolton

  • Response of Jupiter's and Saturn's auroral activity to the solar wind

    J. T. Clarke;J. Nichols;Jean-Claude Gérard;Denis Grodent

  • Hubble Space Telescope imaging of Jupiter's UV aurora during the Galileo orbiter mission

    John T. Clarke;Gilda Ballester;John Trauger;Joe Ajello

  • LRO-LAMP Observations of the LCROSS Impact Plume

    G. Randall Gladstone;Dana M. Hurley;Kurt D. Retherford;Paul D. Feldman

  • Auroral emissions of the giant planets

    Anil Bhardwaj;G. Randall Gladstone

  • Far???ultraviolet reflectance properties of the Moon's permanently shadowed regions

    G. Randall Gladstone;Kurt D. Retherford;Anthony F. Egan;David E. Kaufmann

  • ALICE: The Ultraviolet Imaging Spectrograph Aboard the New Horizons Pluto–Kuiper Belt Mission

    S. Alan Stern;David C. Slater;John Scherrer;John Stone

  • X-rays from solar system objects

    Anil Bhardwaj;Ronald F. Elsner;G. Randall Gladstone;Thomas E. Cravens

  • Jupiter's magnetosphere and aurorae observed by the Juno spacecraft during its first polar orbits.

    J. E. P. Connerney;A. Adriani;F. Allegrini;F. Bagenal

  • Simultaneous Chandra X ray, Hubble Space Telescope Ultraviolet, and Ulysses Radio Observations of Jupiter's Aurora

    Ronald F. Elsner;N. Lugaz;J. H. Waite;T. E. Cravens

  • Photochemistry of Saturn's Atmosphere: II. Effects of an Influx of External Oxygen

    Julianne I. Moses;Emmanuel Lellouch;Bruno Bézard;G.Randall Gladstone

  • magnetic footprints of Io, Ganymede and Europa on Jupiter

    J. T. Clarke;J. Ajello;G. Ballester;L. Ben Jaffel

Frequent Co-Authors

J. H. Waite
J. H. Waite Southwest Research Institute
John Clarke
John Clarke University of California, Berkeley
Harold A. Weaver
Harold A. Weaver Johns Hopkins University Applied Physics Laboratory
John E. P. Connerney
John E. P. Connerney Goddard Space Flight Center
William S. Kurth
William S. Kurth University of Iowa
Jean-Claude Gérard
Jean-Claude Gérard University of Liège
Thomas E. Cravens
Thomas E. Cravens University of Kansas
Michael E. Summers
Michael E. Summers George Mason University
David J. McComas
David J. McComas Princeton University
Alberto Adriani
Alberto Adriani National Institute for Astrophysics

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