Nature Communications Earth and Environment, 21 February 2025
A new study reveals a significant structural shift in Antarctic sea ice patterns over the past decade. While Antarctic sea ice showed a long-term slightly increasing trend until 2016, patterns changed in 2017 with multiple consecutive summers displaying record-low amounts of sea ice. By reconstructing sea ice data back to 1899, researchers demonstrate that these recent extreme minimums vary significantly from past sea ice observations. Consequently, the study suggests that historical trends may no longer accurately predict future Antarctic sea ice levels, with extreme low-ice conditions potentially becoming the new norm. This structural change in Antarctica’s sea ice system poses implications for regional and global climate models, marine ecosystems, and coastal communities in polar regions.
全文 https://www.nature.com/articles/s43247-025-02107-5
News coverage from Australian Antarctic Program Partnership (AAPP): https://phys.org/news/2025-03-antarctica-sea-ice.html
Dear Friends of the Cryosphere Pavilion and Cryosphere Capsule Readers! We are happy to announce…
Nature Communications, 21 July 2026 Rising sea levels driven by ocean warming and ice sheet…
Journal of Geophysical Research: Oceans, 26 June 2026 East Antarctica has long been considered less…
Geophysical Research Letters, 9 July 2026 Antarctic Bottom Water (AABW) is the cold, dense water…
PNAS, 20 July 2026 After several years in the early 2020s when Arctic winter sea…
Nature Communications, 16 July 2026 Temporarily exceeding global warming targets increases the risk of long-lasting…