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Orbit-induced changes in the seasonality of the Pacific cold-tongue region explained

Simulations reveal that the annual temperature cycle in the Pacific cold-tongue region is influenced by the shape of Earth’s orbit, as well as by the planet’s axial tilt. Together, these influences drive remarkable changes in the cold tongue’s seasonality across a cycle of about 22,000 years.

This is a summary of: Chiang, J. C. H. et al. Two annual cycles of the Pacific cold tongue under orbital precession. Nature 611, 295–300 (2022).

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doi: https://doi.org/10.1038/d41586-022-03331-1

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