One yr in the past, an enormous iceberg the scale of Delaware broke off from the Larsen C ice shelf in Antarctica, triggering issues about how the occasion might influence transport routes and sea ranges.
The two,240-square-mile iceberg solely traveled about 27 miles northeast earlier than getting caught behind an elevated ice promontory referred to as the Bawden ice rise. An ice rise is a extra outlined, elevated part of an ice shelf.
Now, researchers who monitor satellite tv for pc photos have seen that the iceberg has been banging in opposition to Bawden due to wind and ocean currents.
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Anna Hogg, an earth remark researcher on the College of Leeds in England, informed Science Information the Bawden ice shelft is just like “scaffolding,” including a measure of stability to Larsen C—which itself covers 17,100 sq. miles. If the shelf had been destabilized, she defined, it might doubtlessly to break down.
That might have main penalties for sea degree rise. Nevertheless, that has not occurred at this level.
“Currents and winds carry many of the icebergs in the identical route,” glaciologist Ted Scambos of the Nationwide Snow and Ice Knowledge Heart in Boulder, Colo., informed Science Information.
That route is out towards South Georgia Island, the place many Antarctic icebergs ultimately skinny out and soften away, he added.
Scientists will proceed to watch the scenario.