Current Sea Ice

07-19-2012 • arclein

where the perennial ice cover has been declining at the rate of about 13% per decade and the ice cover as a whole has been declining at the lesser rate of about 5% per decade. In the Antarctic, the trend is opposite to that in the Arctic, with the sea ice cover increasing at about 1 to 2 % per decade. This is despite unusual warming in the Antarctic Pen