[ad_1]
largeThe world’s largest iceberg, A23a, has stopped moving in the Southern Ocean, the BBC reported on Saturday, August 3.
The ice block is currently more than forty times the size of Paris, but it should follow the world’s most powerful Antarctic Circumpolar Current.
According to scientists, if the iceberg remains in the same place, it’s because it is being held back by a phenomenon called the Taylor column, another type of current that forces the iceberg to rotate on its own.
“We usually think of icebergs as transient things; they break and melt. But not this»” explains oceanographer and polar expert Professor Mark Brandon. Currently, A23a is rotating 15 degrees counterclockwise every day. “A23a is an iceberg that refuses to die”the Open University researcher told BBC News. In fact, the phenomenon slows down its erosion, and therefore its disappearance. British Antarctic Survey professor Mike Meredith explained that he placed a buoy on Taylor’s column to study its movement. Four years later, the buoy is still there, which may indicate that the iceberg may still be there. “Be the top” According to scientists, it has been going on for several years.
A23a broke away from the coast of Antarctica in the 1980s and then became lodged in an ocean shoal (…) read more
Source: Yahoo News
[ad_2]
Source link
