“Old ice” breaking up north of Greenland
All this has been behind heavy cloud From Sam Carana – Sea ice (or rather the lack of it) north of Greenland on August 9, 2021. This is where years ago the thickest sea ice was located. The melt season will continue for more than one month time, to half September, so the situation is very worrying, as the disappearing thickness means that the buffer is gone, i.e. that the latent heat tipping point of Arctic sea ice has…