Ice Free Arctic : 23 Percent Gain Since 2007 | Real Science

The ice free Arctic has gained 22,767 Manhattans of ice since the same date in 2007, and 38,156 Manhattans since the minimum one month ago. A new Manhattan of ice has been forming every 68 seconds since September 19. Daily ice extent has averaged 338,043 km² (5,729 Manhattans) higher in 2010 than 2007.

There are currently 119,743 Manhattans of ice in John Holdren’s ice free Arctic.