A normal part of nature – sea ice retreat in Antarctica

From the UNIVERSITY OF CAMBRIDGE ‘Scars’ left by icebergs record West Antarctic ice retreat ten thousand years ago – occurred under climate conditions that were relatively similar to those of today. Thousands of marks on the Antarctic seafloor, caused by icebergs which broke free from glaciers more than ten thousand years ago, show how part of the…

News From Vostok Ice Cores

Guest essay by Richard Taylor Introduction Our current understanding climate was influenced profoundly by the publication (J.R. Petit, et al., 1999) of deuterium (2H) measurements from metre 8 to metre 3310 of the Vostok ice-core, indicating the temperature of the nearby atmosphere from 1800 to 421000 BC. Some authorities claim, and many believe, that unprecedented…

Giant hole in ice reappears in Antarctica after 40 years

Antarctica: Return of the Weddell polynya supports Kiel climate model After 40 years, a large ice-free area appears again in the Southern Ocean in mid-winter Currently, winter has still a firm grip on Antarctica. At this time of the year, the Weddell Sea usually is covered with a thick layer of sea ice. In spite…