100 km in the last layer of Arctic ice. Long pit scary for the world


TORONTO: A large crater collapsed in May last year on the largest and oldest ice sheet in northern Canada. Scientists consider it a dangerous sign for the world. He believes it has caused cracks in the crust, which has the world's largest amount of ice. Now the world’s water level is in danger of rising when it collapses and melts.

The Polynia appeared in May 2020 in a centuries-old layer of ice north of Ellesmere Island, Canada. This means that a large incision or open water signal was found in it. A study on this was recently published in Geophysical Research Letters. The researchers said that The Polynesia also appeared in 1988 and 2004.

Kent Moore, an Arctic researcher at the University of Toronto Mississauga, said the ice sheet north of Ellsmer Island was so large that it could not be affected by such a large crater, making it impossible to break. But never before has there been such a big pit in this area. It was too big. This is causing the ice to crack. This is affecting the most ancient and the largest layer of ice.

The Arctic ice sheet is 13 feet wide along Elsemere Island. The age of this ice sheet is five years. It melts and returns every five years, but rising temperatures at the North Pole now threaten even the final layer of Arctic ice. In May 2020, the last layer of ice in the Vandel Sea lost half of its mass. The report was published in July 2021.

This type of intersection is caused by storms. This happens when a strong gust of wind tries to separate my ice. In May 2020, there was a terrible storm north of Ellesmere Island. This was followed on 14 May 2020 by a crack in the ice sheet. Satellite photos also showed a large polynia or pit. Long and 30 kilometers wide. But the pit was closed by May 8 and how it closed is beyond the comprehension of scientists.

Researchers have since begun to examine the older data. As a result, he learned that a similar pit had fallen in May 1988. This was followed in 2004 by a similar pit. This year the storm was strong, the wind was fierce but the pit was smaller than in 1988. But the 2020 pit was the biggest of all. This is because the Arctic ice sheet has thinned from 2004 to 2020. Thus even if the air flow is no longer heavy it can dig into this layer of ice.


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