When the Arctic Ocean will become free of sea ice is uncertain in climate-model projections. If a mismatch between the observed and the modelled sensitivity of sea ice to changes in atmospheric circulation is properly accounted for, then projections show that ice loss is slower and the Arctic could be sea-ice-free a decade later.
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References
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This is a summary of: Topál, D. & Ding, Q. Atmospheric circulation-constrained model sensitivity recalibrates Arctic climate projections. Nat. Clim. Change https://doi.org/10.1038/s41558-023-01698-1 (2023).
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Wind influences the onset of a seasonally sea-ice-free Arctic. Nat. Clim. Chang. 13, 617–618 (2023). https://doi.org/10.1038/s41558-023-01699-0
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DOI: https://doi.org/10.1038/s41558-023-01699-0
