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Arctic sea ice thickness information has been updated with NRT data for April 2018 and reprocessed data for March 2018. Daily, weekly and monthly products are available here: Reprocessed, Near-real time




Short Facts

  • April sea ice volume in the central Arctic was average (5th lowest / 4th highest) in 8 years of CryoSat-2 observations: 13.45 • 103 km3
    • highest: 14.62 • 103 km3 in Apr 2014
    • lowest: 12.36 • 103 km3 in Apr 2013
    • average: 13.45 • 103 km3
  • April mean sea ice thickness in the central Arctic was below average in 8 years of CryoSat-2 observations: 2.14 m
    • highest: 2.29 m in Apr 2014
    • lowest: 2.03 m in Apr 2013
    • average: 2.19 m
  • Monthly sea ice volume gain (March through April) was above average in 8 years of CryoSat-2 observations: +0.80 • 103 km3
    • highest: +1.16 • 103 km3 in Apr 2012
    • lowest: +0.54 • 103 km3 in Apr 2014
    • average: +0.74 • 103 km3
  • Cummulative sea ice volume gain (October through April) was below average in 8 years of CryoSat-2 observations: +7.31 • 103 km3
    • highest: +8.94 • 103 km3 in winter 2011/2012
    • lowest: +7.17 • 103 km3 in winter 2015/2016
    • average: +7.73 • 103 km3


All attachments are available under CC BY 4.0 license. Please cite with "Stefan Hendricks & Robert Ricker, Alfred Wegener Institute"

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