The difference between tropical east and west Pacific sea-surface temperatures affects local and global climate, and most climate models suggest a weaker future gradient despite a recent observed increase. Research now suggests the recent trends are due to a transient delay in east Pacific warming driven by cold water upwelling and aerosols.
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Stuecker, M.F. New insights into future tropical climate change. Nat. Clim. Chang. 11, 645–646 (2021). https://doi.org/10.1038/s41558-021-01107-5
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DOI: https://doi.org/10.1038/s41558-021-01107-5