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The loss of a massive "tongue" of glacial ice on the Antarctic coast — a natural protective barrier nearly four times the size of New York City — could affect ocean circulation patterns and be a harbinger of changes to come from global warming, scientists on a mission to the frozen continent say.
But now, with the tongue gone due the collision, scientists fear it could trigger changes to the behavior of a major part of global ocean circulation patterns that shift heat around the globe via myriad currents at the surface and along the bottom.
Originally posted by peter_kandra
Is this tongue of ice on land, or is it sea ice? If it's on land, then the melting ice could potentially raise sea levels. If it's already in water, then its already taking up more volume in its solid form so its melting would have no impact.