“We are approaching this year’s minimum sea-ice extent in the Arctic, and this summer the ice concentration has descreased to its lowest value since observations started, in 1979,” according to Profes
In October, the sea-ice extent in the Arctic was once again below the double standard deviation from the long-term average (Fig. 1). In September 2018 the ice covered an average area of 4.43 million s
Recent findings show that the ability to predict the location of the Arctic sea ice edge varies considerably among sub-seasonal forecasting systems. The best of these forecasting systems outperforms t
In the course of the past few decades, the sea-ice extent in the Antarctic has been characterised by significant variability – both spatially and chronologically. For example, for the observational pe
If we review the sea-ice extent in the Antarctic over the past few weeks, we can see an exciting trend – and not just in our potential interpretations, but also when we compare the current situation t
However, the vast area and the extreme weather conditions make it difficult to monitor the snow during Arctic winter. In situ measurements of snow depth on sea ice are rare and mostly obtained in spri
In February, the sea-ice cover in the Arctic remained below the double standard deviation from the long-term average (see Figure 1) and followed a similar progression as in the years 2007 and 2018. In
The dramatic loss of ice in the Arctic is influencing sea-ice transport across the Arctic Ocean. As experts from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research report in
The thickness of sea ice determines the heat exchange between the ocean and the atmosphere as well as the resistance against the deforming forces of wind and ocean currents. Already a thin layer of se
After the sea-ice extent in the Artic reached its winter maximum on 12 March 2019, the melting season in the North Pole region began and soon reached an all-time low for the time of year (23 April 201
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