Proceedings of the National Academy of Sciences, Volume 123, Issue 14, April 2026. SignificanceAntarctic sea ice is an integral component of the climate system, regulating heat and CO2exchange between the surface and deep ocean. Contrary to the gradual ice loss predicted by climate models, we have observed ice expansion until 2015, ...
PNAS published a clinical update in Research Highlights on 23 Mar 2026.
The item focuses on Recent extremes in Antarctic sea ice extent modulated by ocean heat ventilation.
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