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Sea-ice research produces tremendous amounts of observational data. Even for experts, sifting through this sea of numbers to arrive at the right conclusions can often be challenging. Accordingly, they

Sea ice cores from the MOSAiC expedition (2019-2020) are one of the treasures that were brought back to Bremerhaven at the end of the year-long Arctic drift in October 2020. Now, a group of scientists

Climate change is one of the greatest challenges of our times, and the polar regions are “early-warning” regions for the steadily progressing changes. The Arctic is now warming at three to four times

“On 8 February 2023, the Antarctic sea-ice extent had reached 2.2 million km² - less than the previous record minimum from 2022. Since the sea-ice melting in the Antarctic will most likely continue in

The further sea-ice retreat will chiefly depend on the ocean temperatures and on wind patterns, which can either condense or disperse the sea ice. As the summer draws to a close, the surface of the ce

Polar bears are native to the Arctic and are more closely associated with the region than any other animal. Though they are the largest land-based predators in the Arctic, they spend the majority of t

At 4.0 million km², the sea-ice extent at mid-month was roughly 530,000 km² above the record low in 2012, and ca. 440,000 km² below the figure for the same month in 2019, the year with the third-lowes

But this expedition won’t proceed entirely as planned, either – like so many things in the on-going coronavirus pandemic. In mid-December, the research ship Polarstern, with the new overwintering team

Sea-ice development in the Arctic Following 2020, a year that managed to break a number of records in the Arctic, the new year has begun less spectacularly, as a closer examination of the months Decem

These include data on sea-ice formation and dynamics in the Antarctic pack-ice belt. When the Federal Republic of Germany became a signing member of the Antarctic Treaty in 1979 and established the Ge