World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
51
Citations
9153
World Ranking
4762
National Ranking
201

E. J. Llewellyn 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 E. J. Llewellyn 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: 212 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

E. J. Llewellyn 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 E. J. Llewellyn 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: 51 D-Index — 52nd percentile

52% 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

  • 1994 - Fellow of the Royal Society of Canada Academy of Science

Overview

E. J. Llewellyn is affiliated with the University of Saskatchewan in Canada. The scientist has been recognized within the academic community as a Fellow of the Royal Society of Canada since 1994, under the Academy of Science category.

While detailed information on recent papers, frequent co-authors, specific areas of study, or publication venues is not available, this recognition indicates involvement in scholarly activities aligned with the standards of the Royal Society of Canada.

The scientist's profile does not include listings of research topics, subfields, or book publications, suggesting either a specialized or a less publicly documented publication record.

There is no data on collaborations or interdisciplinary work, which might indicate a primarily independent research approach or limited publicly recorded collaborations.

The available information focuses on affiliation and honors received, providing a foundation for understanding their academic standing within Canadian science institutions.

Best Publications

  • Atmospheric Chemistry Experiment (ACE): Mission overview.

    P. F. Bernath;C.T. Mcelroy;M. C. Abrams;C.D. Boone

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

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

  • Large volcanic aerosol load in the stratosphere linked to Asian monsoon transport.

    Adam E. Bourassa;Alan Robock;William J. Randel;Terry Deshler

  • ETON 2: Quenching parameters for the proposed precursors of O2(b1Σg+) and O(1S) in the terrestrial nightglow

    I.C. McDade;D.P. Murtagh;R.G.H. Greer;P.H.G. Dickinson

  • Altitude profile of the infrared atmospheric system of oxygen in the dayglow

    W. F. J. Evans;D. M. Hunten;E. J. Llewellyn;A. Vallance Jones

  • Molecular oxygen in the rho Ophiuchi cloud

    B. Larsson;R. Liseau;L. Pagani;P. Bergman

  • ETON 1: A data base pertinent to the study of energy transfer in the oxygen nightglow

    R.G.H. Greer;D.P. Murtagh;I.C. McDADE;P.H.G. Dickinson

  • A measurement of the O2(b1Σg+−X3Σg−) atmospheric band and the OI(1S) green line in the nightglow

    G. Witt;J. Stegman;B.H. Solheim;E.J. Llewellyn

  • First near-global retrievals of OH rotational temperatures from satellite-based Meinel band emission measurements

    C. von Savigny;K.-U. Eichmann;E. J. Llewellyn;E. J. Llewellyn;H. Bovensmann

  • SASKTRAN: A spherical geometry radiative transfer code for efficient estimation of limb scattered sunlight

    A.E. Bourassa;D.A. Degenstein;E.J. Llewellyn

  • Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE)

    E. Dupuy;K.A. Walker;K.A. Walker;J. Kar;C.D. Boone

  • Molecular oxygen in the ρ Ophiuchi cloud

    B. Larsson;R. Liseau;L. Pagani;P. Bergman

  • The Odin orbital observatory

    H. L. Nordh;F. von Schéele;U. Frisk;K. Ahola

  • An assessment of proposed O(1S) and O2(b1Σg+) nightglow excitation parameters

    D.P. Murtagh;G. Witt;J. Stegman;I.C. McDade

  • Stratospheric aerosol retrieval with optical spectrograph and infrared imaging system limb scatter measurements

    A. E. Bourassa;D. A. Degenstein;R. L. Gattinger;E. J. Llewellyn

  • Ozone depletion during the solar proton events of October//November 2003 as seen by SCIAMACHY

    Guenter Rohen;C. von Savigny;M. Sinnhuber;E. J. Llewellyn

  • Limb scatter ozone retrieval from 10 to 60 km using a multiplicative algebraic reconstruction technique

    D. A. Degenstein;A. E. Bourassa;C. Z. Roth;E. J. Llewellyn

  • The quenching of OH∗ in the atmosphere

    E.J. Llewellyn;B.H. Long;B.H. Solheim

  • Polar vortex evolution during the 2002 Antarctic major warming as observed by the Odin satellite

    Philippe Ricaud;Franck Lefèvre;Gwenaël Berthet;D. Murtagh

  • Retrieval of stratospheric O3 and NO2 profiles from Odin Optical Spectrograph and Infrared Imager System (OSIRIS) limb‐scattered sunlight measurements

    Craig S. Haley;Samuel M. Brohede;Christopher E. Sioris;Christopher E. Sioris;Erik Griffioen;Erik Griffioen

Frequent Co-Authors

Donal P. Murtagh
Donal P. Murtagh Chalmers University of Technology
Adam Bourassa
Adam Bourassa University of Saskatchewan
Peter F. Bernath
Peter F. Bernath Old Dominion University
Christopher E. Sioris
Christopher E. Sioris Environment and Climate Change Canada
John P. Burrows
John P. Burrows University of Bremen
Chris A. McLinden
Chris A. McLinden Environment and Climate Change Canada
C. D. Boone
C. D. Boone University of Waterloo
Kaley A. Walker
Kaley A. Walker University of Toronto
Heinrich Bovensmann
Heinrich Bovensmann University of Bremen
Kimberly Strong
Kimberly Strong University of Toronto

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