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Using the high-resolution Massachusetts Institute of Technology general circulation model(MITgcm),the variability of Arctic sea ice cover and the ice export through Fram Strait during 1979–2012 are presented.Over the record,mean annual ice export through Fram Strait is 3216 km3/year,about 12.7%of the 34-year averaged Arctic sea ice volume.High variability of ice flux can be seen on monthly,seasonal,interannual and even longer time scales.