I would like to thank Jacques Derome for his support and encouragement during the course of this study, and for comments on the manuscript; Brian Hoskins, Mike Blackburn, and Lois Steenman-Clarke for making the model available and for technical advice; and the three reviewers, whose comments were helpful in sharpening the manuscript. This work was funded by the Atmospheric Environment Service of Canada through the Canadian Institute for Climate Studies, and by the Fonds pour la Formation de Chercheurs et l’Aide à la Recherche through the Centre for Climate and Global Change Research.
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