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The most important part of the “Doomsday” glacier will collapse in 5 years: it will change the whole of Antarctica

The most important part of the "Doomsday" glacier will collapse in 5 years: it will change the whole of Antarctica 1

Scientists have published the results of a new study of the Thwaites Glacier. It may collapse and this will lead to a rise in sea levels.

The most important part of the "Doomsday" glacier will collapse in 5 years: it will change the whole of Antarctica 2

An international research team has found that the Thwaites Ice Shelf is likely to collapse within five years. This will greatly accelerate the destabilization of the ice sheet in West Antarctica. 

Thwaites Glacier is located in West Antarctica, known for its rapid movement and the threat of rising sea levels. It is also known as the Doomsday Glacier. It flows into the Pine Island Bay of the Amundsen Sea, east of the extinct Murphy Volcano. The speed of movement of the glacier surface is more than 2 km / year. It was named after glaciologist Fredrik Thwaites.

“Thwaites is the widest glacier in the world. Its churn rate has doubled over the past 30 years. It contains enough water to raise sea levels by more than 0.6 m. If the Thwaites collapses, it will carry much of West Antarctica’s ice with it and reshape the entire continent”.Ted Scambos, Lead Coordinator
for the Thwaites Glacier International Cooperation in the United States

In 2018, the Thwaites Glacier International Cooperation project emerged to monitor its status. It involves nearly 100 scientists who collect data on ice, surrounding water and simulate future changes. 

Long channels are formed under the glacier, which help the water to “undermine” the ice. Radar images show that large cracks travel from the eastern (most important) part of the ice shelf towards the center at speeds of up to 2 km per year. 

To make matters worse, these cracks head straight for the thin ice zone. This will create a zig-zag pattern of cracks that will eventually lead to the collapse of the entire glacier and change in Antarctica. Researchers estimate that this could happen in five years.

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