Sattelite observations of the september extent of sea ice in the Arctic shows in 2007 shows a 23% decrease from the previous minimum, in 2005, and 39% below the average minimum extent for the time period 1979-2000. The bottom part of this graphic shows the development according to the Arctic Climate Impact Assessment (ACIA) and the merging of five global climate models - the resultant projections shows sucessive decreases for this century. The Arctic sea ice represents a habitat for wildlife, a climate change indicator and an important factor in the global circulation systems. This graphic is also available in Norwegian.
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From collection: General archive
Hugo Ahlenius, UNEP/GRID-Arendal