Melting ice in West Antarctica is a major concern for global sea
levels, and a key area may already be unstable enough to unleash 3m of
ocean rise, scientists say.
The study follows research out last
year, led by Nasa glaciologist Eric Rignot, warning that ice in the
Antarctic had gone into a state of irreversible retreat, that the
melting was considered "unstoppable" and could raise sea level by 1.2m.
This
time, researchers at Germany's Potsdam Institute for Climate Impact
Research pointed to the long-term impacts of the crucial Amundsen Sea
sector of West Antarctica, which they said "has most likely been
destabilised".
http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=11539503
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