World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
77
Citations
17039
World Ranking
1151
National Ranking
41

W. R. Leaitch 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 W. R. Leaitch 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: 324 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

W. R. Leaitch 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 W. R. Leaitch 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

W. R. Leaitch is affiliated with Environment and Climate Change Canada in Canada, focusing on research in Earth and Planetary Sciences and Environmental Science. Their primary area of expertise lies within Atmospheric Science, with particular emphasis on Atmospheric chemistry and aerosols, Atmospheric aerosols and clouds, and Atmospheric Ozone and Climate. Additional topics addressed in their research include Atmospheric and Environmental Gas Dynamics, Arctic and Antarctic ice dynamics, Climate change and permafrost, and Cryospheric studies and observations.

Leaitch has contributed to several recent scientific papers published across notable venues. Key publications include:

  • "AWARE: The Atmospheric Radiation Measurement (ARM) West Antarctic Radiation Experiment," 2020, Bulletin of the American Meteorological Society
  • "Physical and Chemical Properties of Cloud Droplet Residuals and Aerosol Particles During the Arctic Ocean 2018 Expedition," 2022, Journal of Geophysical Research Atmospheres
  • "Chemical composition and source attribution of sub-micrometre aerosol particles in the summertime Arctic lower troposphere," 2021, Atmospheric chemistry and physics
  • "Ice nucleating particles in the Canadian High Arctic during the fall of 2018," 2022, Environmental Science Atmospheres
  • "Modelling the relationship between liquid water content and cloud droplet number concentration observed in low clouds in the summer Arctic and its radiative effects," 2020, Atmospheric chemistry and physics

Frequent co-authors collaborating with Leaitch include Sangeeta Sharma, Rachel Chang, Damao Zhang, Israel Silber, and Ryan C. Scott.

The scientist has published multiple papers in a range of respected scientific journals, with notable recurring venues being:

  • Journal of Geophysical Research Atmospheres
  • Atmospheric chemistry and physics
  • Bulletin of the American Meteorological Society
  • Environmental Science Atmospheres
  • Atmospheric Environment

Best Publications

  • Aerosols, their Direct and Indirect Effects

    J. E. Penner;M. O. Andreae;H. Annegarn;L. Barrie

  • Measurements of C2‐C6 hydrocarbons during the Polar Sunrise1992 Experiment: Evidence for Cl atom and Br atom chemistry

    B. T. Jobson;H. Niki;Y. Yokouchi;J. Bottenheim

  • Organic condensation: a vital link connecting aerosol formation to cloud condensation nuclei (CCN) concentrations

    I. Riipinen;I. Riipinen;J. R. Pierce;T. Yli-Juuti;T. Nieminen

  • Canadian Aerosol Module: A size-segregated simulation of atmospheric aerosol processes for climate and air quality models 1. Module development

    S. L. Gong;L. A. Barrie;J.-P. Blanchet;K. von Salzen

  • Warming-induced increase in aerosol number concentration likely to moderate climate change

    Pauli Paasonen;Pauli Paasonen;Ari Asmi;Tuukka Petäjä;Maija K. Kajos

  • Indirect and semi-direct aerosol campaign: The impact of Arctic aerosols on clouds

    Greg M. McFarquhar;Steven Ghan;Johannes Verlinde;Alexei Korolev

  • Mercury emissions from burning of biomass from temperate North American forests: laboratory and airborne measurements

    H.R Friedli;L.F Radke;J.Y Lu;J.Y Lu;C.M Banic

  • The hygroscopicity parameter (κ) of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: relationship to degree of aerosol oxidation

    R. Y.-W. Chang;J. G. Slowik;N. C. Shantz;N. C. Shantz;A. Vlasenko;A. Vlasenko

  • Indirect effect of sulfate and carbonaceous aerosols: A mechanistic treatment

    Ulrike Lohmann;Johann Feichter;Joyce Penner;Richard Leaitch

  • Analysis of aircraft and satellite measurements from the Intercontinental Chemical Transport Experiment (INTEX-B) to quantify long-range transport of East Asian sulfur to Canada

    A. van Donkelaar;R. V. Martin;R. V. Martin;W. R. Leaitch;A. M. Macdonald

  • International Consortium for Atmospheric Research on Transport and Transformation (ICARTT): North America to Europe—Overview of the 2004 summer field study

    Fred C. Fehsenfeld;Gérard Ancellet;Timothy S. Bates;A. H. Goldstein

  • The relationship between cloud droplet number concentrations and anthropogenic pollution : observations and climatic implications

    W. R. Leaitch;G. A. Isaac;J. W. Strapp;C. M. Banic

  • Overview paper: New insights into aerosol and climate in the Arctic

    Jonathan P. D. Abbatt;W. Richard Leaitch;Amir A. Aliabadi;Allan K. Bertram

  • Hydrated and Dried Aerosol-Size-Distribution Measurements from the Particle Measuring Systems FSSP-300 Probe and the Deiced PCASP-100X Probe

    J. Walter Strapp;W. R. Leaitch;P. S. K. Liu

  • Processes Controlling the Composition and Abundance of Arctic Aerosol

    Megan D. Willis;W. Richard Leaitch;Jonathan P.D. Abbatt

  • Dimethyl sulfide control of the clean summertime Arctic aerosol and cloud

    W. Richard Leaitch;Sangeeta Sharma;Lin Huang;Desiree Toom-Sauntry

  • Global analysis of continental boundary layer new particle formation based on long-term measurements

    Tuomo Nieminen;Tuomo Nieminen;Veli Matti Kerminen;Tuukka Petäjä;Pasi P. Aalto

  • Climatology of aerosol radiative properties in the free troposphere

    E. Andrews;E. Andrews;J.A. Ogren;P. Bonasoni;A. Marinoni

  • Cloud droplet nucleation and cloud scavenging of aerosol sulphate in polluted atmospheres

    W. R. Leaitch;J. W. Strapp;G. A. Isaac;J. G. Hudson

  • Processes controlling the annual cycle of Arctic aerosol number and size distributions

    Betty Croft;Randall V. Martin;Randall V. Martin;W. Richard Leaitch;Peter Tunved

  • Characterization of a large biogenic secondary organic aerosol event from eastern Canadian forests

    J. G. Slowik;C. Stroud;J. W. Bottenheim;P. C. Brickell

  • Pan-Arctic aerosol number size distributions: seasonality and transport patterns

    Eyal Freud;Radovan Krejci;Peter Tunved;Richard Leaitch

  • Growth of nucleation mode particles in the summertime Arctic: a case study

    Megan D. Willis;Julia Burkart;Jennie L. Thomas;Franziska Köllner

  • Size-resolved measurements of ice-nucleating particles at six locations in North America and one in Europe

    R. H. Mason;M. Si;C. Chou;V. E. Irish

  • A comparison of large-scale atmospheric sulphate aerosol models (COSAM): overview and highlights

    L. A. Barrie;Y. Yi;W. R. Leaitch;U. Lohmann

  • Physical and chemical observations in marine stratus during the 1993 North Atlantic Regional Experiment: Factors controlling cloud droplet number concentrations

    W. R. Leaitch;C. M. Banic;G. A. Isaac;M. D. Couture

Frequent Co-Authors

George A. Isaac
George A. Isaac Weather Impacts Consulting Incorporated
Shao-Meng Li
Shao-Meng Li Peking University
Lynn M. Russell
Lynn M. Russell University of California, San Diego
Allan K. Bertram
Allan K. Bertram University of British Columbia
Sangeeta Sharma
Sangeeta Sharma Environment and Climate Change Canada
Jeffrey R. Pierce
Jeffrey R. Pierce Colorado State University
John Liggio
John Liggio Environment and Climate Change Canada
Kurt G. Anlauf
Kurt G. Anlauf Environment and Climate Change Canada
Alex K. Y. Lee
Alex K. Y. Lee Environment and Climate Change Canada
Ilona Riipinen
Ilona Riipinen Stockholm University

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