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Arctic Sea Ice– April 2017 tied April 2016 for lowest extent on record

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Arctic Sea Ice Keeps Scraping the Bottom of the Barrel: Ice older than five years in age now only comprises 5 percent of the Arctic’s ice pack compared to 30% in 1984

This April merely tied April 2016 for the lowest extent on record, but it’s hardly reason to celebrate. The Arctic was missing 394,000 square miles of ice, with each day setting a record low or within 36,000 square miles of setting one…

….One of the biggest issues for sea ice is its increasingly youthful appearance. Young ice is more susceptible to the vagaries of weather, whether it be warm air or water or storms that knock it around and break it up.

Ice older than five years in age now only comprises 5 percent of the Arctic’s ice pack. It accounted for 30 percent of all Arctic sea ice in 1984, but relentless warmth driven by rising carbon dioxide in the atmosphere has slowly squeezed it out of existence….

Arctic sea ice extent has trended in record low territory for months.Credit: Zack Labe

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