00:00arctic winter sea ice could shrink by about one million square kilometers more than predicted that is the finding of
00:06researchers at the university of cambridge they looked at sediment cores from about six thousand years ago when the arctic
00:12was warmer
00:13the cores hold a chemical marker from algae that live in sea ice the team compared that evidence with twenty
00:19seven climate models before adjusting the models together over predicted winter ice giving more weight to models that matched the
00:27evidence removed that bias
00:28in some projections it narrowed the range of outcomes by up to eighty five percent models may also underestimate snowfall
00:36in southeastern greenland and rainfall in the mediterranean winter sea ice hit its lowest yearly peak in the satellite record
00:43in march twenty twenty five it matched that record in twenty twenty six researchers say that could have implications for
00:49the greenland ice sheet and flooding in southern europe the work was published in the journal nature geoscience
00:55disclosure this video contains stock footage and content created or enhanced using ai assisted tools
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