World's Best Scientists 2026 revealed!
Gordon G. Shepherd

Gordon G. Shepherd

D-Index & Metrics

Environmental Sciences

D-Index
56
Citations
9514
World Ranking
3712
National Ranking
152

Gordon G. Shepherd 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 Gordon G. Shepherd 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: 307 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Gordon G. Shepherd 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 Gordon G. Shepherd 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: 56 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1999 - Fellow of American Geophysical Union (AGU)
  • 1981 - Fellow of the Royal Society of Canada Academy of Science

Overview

Gordon G. Shepherd is affiliated with York University in Canada and has contributed extensively to the fields of Physics and Astronomy as well as Earth and Planetary Sciences. Their research primarily focuses on topics within ionosphere and magnetosphere dynamics, atmospheric ozone and climate, atmospheric chemistry and aerosols, solar and space plasma dynamics, geophysics and gravity measurements, GNSS positioning and interference, and stellar, planetary, and galactic studies.

The scientist has authored multiple papers published in well-regarded venues. Frequent publication outlets include the Journal of Atmospheric and Solar-Terrestrial Physics with three articles, the Journal of Geophysical Research Space Physics with two articles, and Astronomy and Astrophysics with one publication.

Recent papers by Gordon G. Shepherd highlight various aspects of atmospheric and space sciences:

  • "Gravity wave activity in the middle atmosphere from SATI airglow observations at northern mid-latitude: Seasonal variation and comparison with tidal and planetary wave-like activity" (2020) in Journal of Atmospheric and Solar-Terrestrial Physics
  • "On the Relationship of the O(1D) 630.0 nm Dayglow Emission to the F10.7 cm Solar Flux and the Solar Zenith Angle" (2021) in Journal of Geophysical Research Space Physics
  • "Enhanced mass loss of very massive stars: Impact on the evolution, binary processes, and remnant mass spectrum" (2025) in Astronomy and Astrophysics
  • "Observations and Modeling of Strong Thermospheric Winds at High Latitudes and Their Impact on the Lower Thermosphere" (2021) in Journal of Geophysical Research Space Physics
  • "SuperDARN, WINDII and WACCM-X neutral and ion winds observed at high latitudes during geomagnetic disturbances" (2021) in Journal of Atmospheric and Solar-Terrestrial Physics

Frequent co-authors who have collaborated with Gordon G. Shepherd include M. G. Shepherd, M. J. López-González, Maya García-Comas, E. Rodríguez, and M. López-Puertas.

Gordon G. Shepherd's work spans several subfields such as astronomy and astrophysics, atmospheric science, oceanography, aerospace engineering, and instrumentation. The scientist's scholarship intersects with multiple core research topics, particularly emphasizing ionospheric and magnetospheric dynamics as well as atmospheric processes and solar-terrestrial interactions.

Recognition of Gordon G. Shepherd's contributions is reflected in fellowships awarded by professional organizations, notably the Fellowship of the American Geophysical Union in 1999 and the Fellowship of the Royal Society of Canada's Academy of Science in 1981.

Best Publications

  • An empirical model of the Earth's horizontal wind fields: HWM07

    D. P. Drob;J. T. Emmert;G. Crowley;J. M. Picone

  • WINDII, the wind imaging interferometer on the Upper Atmosphere Research Satellite

    G. G. Shepherd;G. Thuillier;W. A. Gault;B. H. Solheim

  • Satellite observations of thermospheric tides: Results from the Wind Imaging Interferometer on UARS

    Charles McLandress;Gordon G. Shepherd;Brian H. Solheim

  • The visible-airglow experiment on Atmosphere Explorer

    P. B. Hays;G. Carignan;B. C. Kennedy;G. G. Shepherd

  • WAMDII: wide-angle Michelson Doppler imaging interferometer for Spacelab

    Gordon G. Shepherd;William A. Gault;D. W. Miller;Z. Pasturczyk

  • Combined mesosphere/thermosphere winds using WINDII and HRDI data from the Upper Atmosphere Research Satellite

    Charles McLandress;Gordon G. Shepherd;Brian H. Solheim;Mark D. Burrage

  • DWM07 global empirical model of upper thermospheric storm-induced disturbance winds

    J.T. Emmert;D.P. Drob;G.G. Shepherd;G. Hernandez

  • Wide-Angle Michelson Interferometer for Measuring Doppler Line Widths*

    R. L. Hilliard;G. G. Shepherd

  • Validation of mesosphere and lower thermosphere winds from the high resolution Doppler imager on UARS

    M. D. Burrage;W. R. Skinner;D. A. Gell;P. B. Hays

  • Tidal influence on O(¹S) Airglow emission rate distributions at the geographic equator as observed by WINDII

    G. G. Shepherd;C. McLandress;B. H. Solheim

  • The influence of the diurnal tide on the O(¹S) and OH emission rates observed by WINDII on UARS

    Shengpan P. Zhang;Gordon G. Shepherd

  • The Wind Imaging Interferometer (WINDII) on the Upper Atmosphere Research Satellite: A 20 year perspective

    Gordon G. Shepherd;Gérard Thuillier;Young-Min Cho;Marie-Louise Duboin

  • An empirical model for the altitude of the OH nightglow emission

    G. Liu;G. G. Shepherd

  • MLT cooling during stratospheric warming events

    Y.-M. Cho;G. G. Shepherd;Y.-I. Won;S. Sargoytchev

  • UPPER ATMOSPHERIC TEMPERATURES FROM DOPPLER LINE WIDTHS. IV. A DETAILED STUDY USING THE OI 5577 A AURORAL AND NIGHTGLOW EMISSION

    R.L. Hilliard;G.G. Shepherd

  • ERWIN: an E-region wind interferometer.

    W A Gault;S Brown;A Moise;D Liang

  • Gravity waves from O2 nightglow during the AIDA '89 campaign I: emission rate/temperature observations

    S.P Zhang;R.N Peterson;R.H Wiens;G.G Shepherd

  • Dayside cleft aurora and its ionospheric effects

    Gordon G. Shepherd

  • Validation of O(1S) wind measurements by WINDII: the WIND Imaging Interferometer on UARS

    W. A. Gault;G. Thuillier;G. G. Shepherd;S. P. Zhang

  • Atomic oxygen profiles (80 to 115 km) derived from Wind Imaging Interferometer/Upper Atmospheric Research Satellite measurements of the hydroxyl and greenline airglow: Local time–latitude dependence

    Jason P. Russell;W. E. Ward;R. P. Lowe;R. G. Roble

  • Plasma and Field Signatures of Poleward Propagating Auroral Precipitation Observed at the Foot of the Geos 2 Field Line

    G.G Shepherd;R. Boström;H. Derblom;Carl-Gunne Fälthammar

Frequent Co-Authors

Raymond G. Roble
Raymond G. Roble National Center for Atmospheric Research
William E. Ward
William E. Ward University of New Brunswick
Stephen J. Brown
Stephen J. Brown New York University
L. L. Cogger
L. L. Cogger University of Calgary
Larry H. Brace
Larry H. Brace Goddard Space Flight Center
J. S. Murphree
J. S. Murphree University of Calgary
Qian Wu
Qian Wu National Center for Atmospheric Research
Bela G. Fejer
Bela G. Fejer Utah State University
Ralf Koppmann
Ralf Koppmann University of Wuppertal
Manuel López-Puertas
Manuel López-Puertas Spanish National Research Council

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