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Ph.D. Earth and Space Science, York University, Toronto, 1999

David Plummer

Research Scientist - Atmospheric Chemistry - Climate Change Research

Canadian Centre for Climate Modelling and Analysis (Montreal, QC)

CURRENT S&T / RESEARCH - Development of atmospheric chemistry as a component of the Canadian Earth System Model to improve Environment Canada's capacity to understand and project the future physical and chemical state of the atmosphere.  

Continued development of stratospheric chemical processes in the Canadian Climate model to investigate the future evolution of the ozone layer as atmospheric concentrations of ozone depleting substances decrease due to actions taken under the Montreal Protocal and as climate changes.

Continued development of tropospheric chemical processes in the Canadian Climate model to investigate how climate change and future emissions of ozone precursor species will affect ozone and related chemical processes such as atmospheric oxidation and nitrogen deposition.

Contribution of model simulations to international intercomparison projects to support research and assessment activities including the IPCC and WMO/UNEP Scientific Assessment of Ozone Depletion.


Panel reviewer for the WMO/UNEP Scientific Assessment of Ozone Depletion: 2014



Shepherd, T. G., D. A. Plummer, J. F. Scinocca, M. I. Hegglin, V. E. Fioletov, M. C. Reader, E. Remsberg, T. Von Clarmann and H. J. Wang. 2014. Reconciliation of halogen-induced ozone loss with the total-column ozone record, Nature Geoscience, 7, 443-449, doi:10.1038/ngeo2155. (

Reader, M. C., D. A. Plummer, J. F. Scinocca and T. G. Shepherd. 2013. Contributions to twentieth century total column ozone change from halocarbons, tropospheric ozone precursors, and climate change, Geophysical Research Letters, 40, 6276-6281, doi:10.1002/2013GL057776. (

Kelly, J., P. A. Makar and D. A. Plummer. 2012. Projections of mid-century summer air-quality for North America: effects of changes in climate and precursor emissions, Atmospheric Chemistry and Physics, 12, 5367-5390, doi:10.5194/acp-12-5367-2012. (

Plummer, D. A., J. F. Scinocca, T. G. Shepherd, M. C. Reader and A. I. Jonsson. 2010. Quantifying the contributions to stratospheric ozone changes from ozone depleting substances and greenhouse gases, Atmospheric Chemistry and Physics, 10, 8803-8820, doi:10.5194/acp-10-8803-2010. (

Expertise Categories associated with this S&T Expert:

     Air Pollution & Quality
          Atmospheric chemistry
          Short-lived climate pollutants
     Climate Modelling
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