Return of 'ocean chimney' puzzles Antarctic scientists

By Peter Hannam
Updated October 15 2017 - 12:18pm, first published 12:13pm
The polynya is east of the Antarctic Peninsula and looks like this (an Orca no less!). Photo supplied.
The polynya is east of the Antarctic Peninsula and looks like this (an Orca no less!). Photo supplied.

A rare hole the size of Tasmania has opened up in the sea ice off Antarctica, enthralling scientists keen to understand its cause and the possible role of climate change in its formation.

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