It’s too early to tell as of now, as such massive icebergs move slowly – the B-09B iceberg that knocked off the Mertz Glacier tongue is a fragment of a much larger iceberg that broke off of Ross Shelf back in 1987. NASA satellite photos show the Mertz iceberg as well as the B-09B moving west into the formerly ice-free zone (the Mertz Polynya). And that’s exactly where 25% of the Antarctica’s deep water that drives the currents is produced. We just need to wait some more for the results.
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