NextGen Day

According to specialists, an enormous iceberg the size of Greater London broke away from Antarctica on Tuesday.

The 150-meter-thick Brunt Ice Shelf has been ripped off by a massive iceberg that is nearly the size of Greater London (1550 km2), according to the British Antarctic Survey (BAS), the UK’s primary polar research organization.

It said the iceberg broke loose after “it calved after breaches that have been forming gradually over the past few years stretched throughout the entire ice shelf.”

On Sunday, the iceberg broke free.

It continued, “The iceberg calved when the Chasm-1 breach fully expanded through the ice shelf.

According to the statement, the break-off happened ten years after the BAS scientists first spotted the growth of big fissures in the ice. It is also the second significant calving from this area in the previous two years.

According to the announcement, which quoted BAS Director Dame Jane Francis, “Our glaciologists and operational staff have anticipated this catastrophe.”

Multiple measurements of the ice shelf were taken by the researchers, who also compared their findings to satellite pictures from NASA, ESA, and the German satellite TerraSAR-X.

He stated that “all data are forwarded back to Cambridge for analysis.” We know what occurs even during the Antarctic winter when there is no crew on duty, it is pitch black for 24 hours, and the temperature is below minus 50 degrees Celsius (or -58 degrees Fahrenheit).

“Calving incident was anticipated.”

For his part, BAS glaciologist Dominic Hodgson stated: “This calving episode had been anticipated and is consistent with the Brunt Ice Shelf’s normal behavior. There is no connection to climate change.

“To sustain the delivery of the science we perform at Halley and to ensure it is safe, our science and operational staff continue to monitor the ice shelf in real-time,” Hodgson continued.

The Brunt Ice Shelf in Antarctica is where the BAS Halley Research Station is located. According to BAS glaciologists who have been tracking the ice shelf’s activity, the region of the ice shelf where the research station is situated is now “unaffected” by the recent calving events.

The Brunt Ice Shelf has a complicated glaciological structure, and calving episodes have unpredictable results, claims the statement. BAS scientists relocated the station 23 kilometers (14 miles) inland as a precaution after Chasm-1 began to grow in 2016.

Personnel has only been sent to the station since 2017 during the Antarctic summer, which runs from November to March.

There are currently 21 people working on the station to maintain the equipment and power sources that let scientific research be done remotely all winter long.

A chasm (Chasm-1) that had been dormant for at least 35 years started to exhibit the first signs of change in 2012, according to satellite monitoring. Chasm-1 has been growing since 2015, and by December 2022 it has covered the whole ice shelf, indicating the beginning of the calving event.

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