Figure 1 - The 2008 Arctic seasonal sea ice minimum.
From the following article
Mark C. Serreze & Julienne C. Stroeve
Nature Reports Climate Change (2008) Published online: 9 October 2008 Corrected online: 13 October 2008
doi:10.1038/climate.2008.108
Map shows sea ice on 14 September 2008, the date of the minimum, when ice extent was 4.52 million square kilometres. Yellow line marks the extent for September 16, 2007. Inset graph, daily ice extents for the 1979–2000 average (black line), 2007 (dotted line) and 2008 (blue line). The 2008 minimum stands as the second-lowest of the satellite record. Courtesy of National Snow and Ice Data Center.
