The seasonal Arctic sea-ice retreat was quite rapid in the first week of July but slowed during the rest of the month (see Fig.1). The mean extent for July 2021 was 7.72 million km 2 . As such, it was
Roughly two years ago, on 4 October 2019, the research icebreaker Polarstern, operated by the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, allowed herself to become frozen
After a two-year break, this year experts from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) were able to return to Station Nord in northeast Greenland, to resume
In September, the summer sea-ice melting ends in the Arctic. In other words, on a certain day of the month, the sea-ice cover reaches its lowest extent for the year and then begins growing again, beca
Sea ice is one of the most important components in the Arctic climate system. It is in a state of constant interchange with the atmosphere and the ocean, and its physical characteristics, especially i
Particularly in the Bering Sea, but also in the Sea of Okhotsk and eastern Barents Sea, the amount of sea ice was below the long-term average for 2003 – 2014. In contrast, the ice margin was above the
On 16 May, RV Polarstern left the MOSAiC floe, which an international team of experts has been researching since last October, to pick up the crew for the next leg of the expedition off the coast of S
Despite a storm and the adverse ice conditions, he and his team reached the MOSAiC floe almost as planned. They left the floe on 16 May and reached the sea-ice edge on Tuesday, 2 June. Now Torsten Kan
For the majority of June and at the beginning of July, the extent was below the level for the same month in the record-breaking year 2019 (Fig. 1). The monthly mean ice extent was 10.03 million km² –
In the months of June, July and August, predictions can be submitted on the September sea-ice extent for the Arctic as a whole, or for specific regions. The forecasting methods vary considerably, and
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