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Change in the age of ice on the Arctic Ocean, comparing September ice ages in 1988, 1990, 2001 and 2005

Year: 2007 Author: Hugo Ahlenius, UNEP/GRID-Arendal
Description:
The age of sea ice in the Arctic is changing, and not only the extent and concentrations. Studies show that in recent years there is a higher proportion of younger ice to older ice than was observed in the late 1980s. This analysis is based on results from a simulation using drifting buoy data and satellite-derived ice-concentration data. The darker the colour, the older the ice.
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