The world’s largest iceberg is once again stuck somewhere in the ocean.
A huge glacier broke away from the coastline in Antarctica in 1986. In the Weddell Sea It ran aground and turned into an ice island. This iceberg, named A23a, which remained in the same area for 30 years, started to move again last year. A23a now it is caught in a vortex and has been standing where it has been for a long time.
According to experts, the iceberg under normal circumstances While it should have been moving with strong ocean currents, it got caught in a vortex at a point north of Antarctica and continues to rotate counterclockwise in the same place.
May not be able to get out of the vortex for years
British Antarctic Monitor, mega iceberg It determined that it had been in the same location since January 2024, near the South Orkney Islands. The iceberg continues its rotation slowly, at a rate of 15 degrees per day.
The ocean phenomenon where A23a got stuck Taylor Column is called. To summarize, this column is a kind of vortex that occurs when the natural flow of liquids is disrupted, and it is not easy for the object caught in the vortex to save itself.
In the case of A23a this phenomenon how long will it continue unknown. According to experts, it will take longer than usual for the glacier to melt.
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Source :
https://www.npr.org/2024/08/10/nx-s1-5069771/iceberg-a23a-spinning-ocean-vortex-trapped-taylor-column
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