Sea Ice Extent (Global Antarctic and Arctic) – Day 21 – 2017

Arctic above 2006 on day 21. Whew. I thought it had all melted.

arctic_sea_ice_extent_zoomed_2017_day_21_1981-2010arctic_sea_ice_extent_2017_day_21_1981-2010

 

South / North

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One thought on “Sea Ice Extent (Global Antarctic and Arctic) – Day 21 – 2017

  1. Extent and volume has, for quite some time now, been governed not by higher temperatures but by blocking high pressure systems which have swept thick, old ice out the Fram Strait. And yet despite that, the DMI modeled ice thickness chart for Jan 21st shows most of the upper Arctic in 2,5-meter thick ice:
    http://ocean.dmi.dk/arctic/icethickness/thk.uk.php

    It is the weather—the recurrent, long-duration blocking high pressure systems sweeping old ice south—that is “destroying” Arctic sea ice, not warmer ocean temperatures.

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