The authors thank Dr. Ramakrishna Nemani for his interest in this work and for sponsoring some of the computing resources used in model simulations performed on the NASA AMES computing system. The authors also thank Sean Davis for providing the reanalysis trend estimates based on DR12. The paper has benefited from the comments by Dr. Lorenzo Polvani on an earlier draft, and also from comments by an anonymous reviewer. We gratefully acknowledge NOAA’s Climate Program Office and NOAA’s Super-Computing System for support.
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