Extent of newly exposed ocean is size of Argentina. This abrupt decline looks even more extreme set against long-run patterns. Unlike #Arctic—where in recent decades, maximum sea-ice extent has been gradually shrinking, and the minimum has plummeted—range of #ice cover in Antarctic has been relatively stable during past half-century, ice charts now look just as stormy as notoriously turbulent Southern #Ocean https://www.economist.com/graphic-detail/2023/08/02/the-rapid-loss-of-antarctic-sea-ice-brings-grim-scenarios-into-view
