An iceberg the dimensions of New York Metropolis broke off from an ice shelf in Antarctica on Friday, about 10 years after scientists began monitoring the cracks within the ice.
The British Antarctic Survey (BAS) launched an announcement on Friday describing the break of the 490-square-mile iceberg from the Brunt Ice Shelf, a location that isn’t far-off from a British analysis outpost.
“Our groups at BAS have been ready for the calving of an iceberg from Brunt Ice Shelf for years,” Dame Jane Francis, Director of British Antarctic Survey, mentioned.
Researchers knew the iceberg would break off quickly as a brand new crack within the ice emerged in November and elevated in dimension every day.
The 12-person workforce left BAS’s Halley Analysis Station earlier this month earlier than winter hit. The workforce has not stayed on the station over the winter since 2017 in case the iceberg broke off as a result of an emergency evacuation could be troublesome because of Antarctica’s lack of daylight through the winter.
The analysis station was secure from the break-off because it was moved inland in 2016.
“Our job now could be to maintain a detailed eye on the scenario and assess any potential influence of the current calving on the remaining ice shelf,” Simon Garrod, Director of Operations at BAS, mentioned. “We constantly overview our contingency plans to make sure the security of our employees, shield our analysis station, and keep the supply of the science we undertake at Halley.”
The announcement additionally made clear that this occasion was not a results of local weather change.
“Change within the ice at Halley is a pure course of and there’s no connection to the calving occasions seen on Larsen C Ice Shelf, and no proof that local weather change has performed a major position,” the announcement mentioned.