Effects of marine heatwaves and cold spells on ecosystems in Arctic fjords
Alfred Wegener Institute (AWI)
Published: 7 July 2025
A new study using AI shows that extreme temperature events like heat waves and cold spells significantly alter Arctic marine ecosystems, affecting both biomass and species composition. The findings highlight climate change’s deep ecological impact.
Keywords: Arctic, marine heat waves, cold spells, ecosystem shifts, community carrying capacity, AI
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
