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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 70 1698 1616 712 656 875 16487

G. R. Gladstone publications per year

The chart shows the history of publications by G. R. Gladstone between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. G. R. Gladstone published across 46 years, from 1980 to 2025, averaging 22.5 papers a year. Output peaked at 85 publications in 2018. 44 of the 1,034 publications appeared in the last two years.

No. of publications
20 40 60 80
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 85. Peak 85 publications in 2018. 1980: 2 publications 1981: 0 publications 1982: 2 publications 1983: 3 publications 1984: 0 publications 1985: 1 publication 1986: 1 publication 1987: 2 publications 1988: 7 publications 1989: 3 publications 1990: 6 publications 1991: 7 publications 1992: 5 publications 1993: 22 publications 1994: 18 publications 1995: 23 publications 1996: 15 publications 1997: 8 publications 1998: 22 publications 1999: 10 publications 2000: 20 publications 2001: 28 publications 2002: 21 publications 2003: 19 publications 2004: 22 publications 2005: 27 publications 2006: 13 publications 2007: 23 publications 2008: 14 publications 2009: 14 publications 2010: 20 publications 2011: 21 publications 2012: 28 publications 2013: 30 publications 2014: 27 publications 2015: 40 publications 2016: 52 publications 2017: 81 publications 2018: 85 publications 2019: 65 publications 2020: 56 publications 2021: 49 publications 2022: 44 publications 2023: 34 publications 2024: 23 publications 2025: 21 publications
1980 2025

1,034 publications in total across all disciplines

View publications per year as a table
G. R. Gladstone: publications per year, 1980 to 2025
Year Publications
1980 2
1981 0
1982 2
1983 3
1984 0
1985 1
1986 1
1987 2
1988 7
1989 3
1990 6
1991 7
1992 5
1993 22
1994 18
1995 23
1996 15
1997 8
1998 22
1999 10
2000 20
2001 28
2002 21
2003 19
2004 22
2005 27
2006 13
2007 23
2008 14
2009 14
2010 20
2011 21
2012 28
2013 30
2014 27
2015 40
2016 52
2017 81
2018 85
2019 65
2020 56
2021 49
2022 44
2023 34
2024 23
2025 21
Total 1,034
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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.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 690+ publications, is where this scientist sits. 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 875 publications — 100th percentile

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

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100 875
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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.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 70 D-Index, is where this scientist sits. 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

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 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94 70
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
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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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