Sea Ice Extent (Global Antarctic and Arctic) – Day 30 – 2016 Published on January 31, 2016January 31, 2016 by sunshinehours1 A quick look at fluctuations in Antarctica Sea Ice. Notice how over the last 11 years on day 30 it can fluctuate by up to 1.5 million sq km every 2- 3 years? But the trend is still up. South / North Share this:TwitterFacebookLike this:Like Loading... Related