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Old, Thicker Ice giving way to Younger, Thinner Ice

December 19, 2013; 2:31 PM ET

The time-lapse video by Mark Tschudi from the university of Colorado clearly shows the changes in sea ice age over the Arctic since 1987.

Video courtesy of You Tube.

You can see that the amount of older, thicker sea ice has greatly diminished during the past 27 years and has given way to the younger, thinner ice, which is much more susceptible to completely melting out by the end of the summer.

Seven of the lowest, annual Arctic sea ice minimums since 1979 have all occurred over the past 7 years.

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