Position Analysis

Antarctic Sea Ice and Climate Change

The annual expansion and contraction of sea ice in the Antarctic represents one of the biggest natural changes on Earth. At its maximum annual extent in September/October sea ice cover extends about 19 million square kilometres of the ocean around Antarctica – one and half times the size of the continent itself. In the summer sea ice shrinks to around 3 million square kilometres.


Authorised by the CEO of the Antarctic Climate and Ecosystems Cooperative Research Centre October 2019.

The ACE CRC was established and supported under the Australian Government’s Cooperative Research Centres Program.

core participants



other participants

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