“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
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
The rapid rate of ice loss observed in early July continued in the third week of the month, before dropping again rapidly (Fig. 4). The mean sea-ice extent in July 2020 was 6.85 million km 2 – the low
Since the beginning of continuous satellite observation in 1979, the daily ice cover in the Arctic and Arctic has been measured extensively, offering a record of the climatic changes in the two polar
Since the start of continuous satellite monitoring in 1979, the summertime sea-ice extent in September has been on the decline, showing a loss of nearly 14% per decade, about 50% over the whole time p
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