/channels/taxonomy/term/6515/all en /channels/channels/news/usa-today-arctic-will-see-ice-free-summers-2050-globe-warms-study-says-321799 <p>The Arctic Ocean will be ice-free in the summer within the next 30 years, a study says, which will result in "devastating consequences for the Arctic ecosystem," according to ÁùºÏ²Ê¿ª½±½á¹û in Montreal. Sea ice is frozen ocean water that melts each summer, then refreezes each winter. The amount of summer sea ice in the Arctic has been steadily shrinking over the past few decades because of global warming. Since satellite records began in 1979, summer Arctic ice has lost 40% of its area and up to 70% of its volume, the Guardian said.</p> Thu, 23 Apr 2020 15:21:54 +0000 webfull 160292 at /channels /channels/channels/event/ice-ocean-governor-ice-ocean-stress-feedback-limits-beaufort-gyre-spin-297910 <h3 style="text-align:center">Atmospheric and Oceanic Sciences Departmental Seminar Series</h3> <p style="text-align:center">presents</p> <p style="text-align:center"> </p> Wed, 19 Jun 2019 18:42:26 +0000 webfull 150059 at /channels /channels/news/geophysics-could-slow-antarctic-ice-retreat-256655 <p> Gravitational effects, variations in Earth structure could damp rise in global sea levels Tue, 10 Nov 2015 15:18:01 +0000 webfull 113873 at /channels