We would like to thank the National Snow and Ice Data Center for providing the Russian snow depth data for this study. During the course of this work, one of investigators was supported by a research grant from the Canadian Research Network through the University of Victoria. We appreciate Dr. Roger Barry for many of the references related to this study. We also would like to thank Dr. David Legates, Dr. Clint Rowe, Dr. Dave McGinnis, and Martyn Clark for their support and suggestions on the data analyses. Finally, we appreciate the reviewers’ insightful comments and suggestions, which improved the quality of this paper.
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