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Posted Tue Jan 19 2010: from via ScienceDaily:
Tipping Point? West Antarctic Ice Sheet Could Become Unstable as World Warms
A new study examines how ice sheets, such as the West Antarctic Ice Sheet, could become unstable as the world warms. The team from Oxford University and Cambridge University developed a model to explore how changes in the 'grounding line' -- where an ice sheet floats free from its base of rock or sediment -- could lead to the disintegration of ice sheets and result in a significant rise in global sea level... At the moment the model -- that uniquely takes into account the three dimensional shape of ice sheets -- is still fairly simple, but the researchers hope to eventually include more detail on how ice sheets interact with their base slopes and show the behaviour of individual ice streams.
[Read more stories about: arctic meltdown, climate impacts, global warming, rising sea level]

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'Doc Michael says:
Once the ice sheets go, at least we'll have this fun model to play with!

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