World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

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

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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