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July 25th, 2007, 02:31
Originally Posted by Bartacus View Post
Now this is is a fable and can simply be proven: put some ice cubes in a glass of water and see it it gets to a higher level after they melted.
Errr… Antarctica is a continent, Bart . It's not an "ice cube" floating in water. Ice that is melting down there (at least the continental ice) is adding to the volume of the oceans. That's not a fable but a fact.
Another fact is that -while the Arctic is indeed basically a huge "ice cube"- if the water melted, it would still also cause a rise of the ocean levels because of the effects of Earth's gravity. Unless you're totally old school and still believe in the pre-Gallilei theory that Earth is a disc, you'd have to acknowledge that the Earth is not perfectly flat. The water from the Arctic will not distribute equally across the ocean surface as would happen with a flat surface in a glass of water. It will "migrate" towards the equator region and cause quite a bit of havoc (flooding of coastal areas) on its way if the models that have been calculated so far are true.
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