The Arctic Ocean was never completely frozen – not even during the Ice Ages
Alfred Wegener Institute (AWI)
Published: 7 July 2025
A new study finds the Arctic Ocean was never fully covered by a massive ice shelf during ice ages. Instead, seasonal sea ice allowed open water and life to persist, reshaping our understanding of past climates and improving future climate predictions
Keywords: Arctic Ocean, seasonal sea ice, glacial periods, sediment cores, algae biomarkers, Earth system models
EU Funding for Innovative Borehole Monitoring System
Alfred Wegener Institute (AWI)
Published: 14 July 2025
A new high-precision borehole system (HIP-Bore) will monitor subsurface temperatures in polar regions with millikelvin accuracy, helping track climate change more effectively. Funded by an EU ERC grant, the system shows alarming early warming signs.
Keywords: HIP-Bore, polar climate, subsurface temperature, borehole monitoring, Antarctica, permafrost, ERC grant
How waves stir up the Arctic Ocean - new Emmy Noether Group at the AWI
Alfred Wegener Institute (AWI)
Published: 15 July 2025
Dr. Friederike Pollmann's Artemics group at AWI studies giant internal ocean waves in the Arctic and their link to sea ice retreat, aiming to understand their role in ocean mixing, heat transport, and climate change.
Keywords: internal waves, Arctic Ocean, sea ice retreat, ocean mixing, heat transport, climate change, AWI
