Older Ice Starts to Melt in Arctic

Much has been written about the increasing rate of the ice loss in the Arctic.  However for many of us it’s difficult to actually visualize the extent of this loss is.  This video released by NASA’s Goddard Space Center reveals simply how quickly this loss is occurring -it only a couple of minutes and it’s genuinely worth watching.

Remember all the records for the minimum level of sea ice have occurred in the last decade, only 2006 has been a slight exception in a definite severe downward trend.   However in some ways it’s not just the rate of the ice melting that is the most worrying but rather the type of ice.

The new data revealed is that older ice is now starting to thin substantially which makes it much more liable to melt in the warmer temperatures.   Some of this ice has taken many generations to form and it appears now that much of it is getting thinner and unlikely to survive many more melting summers.

During the 1980’s the older ice made up something like %25 of the overall ice cover.  The figure now is probably around 3%, in reality there isn’t much left and we can see that an ice-free Arctic over the Summer is now more than likely it’s almost inevitable.

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