>In the Arctic, the ice is mainly floating on the sea, I think.
Yes, so presumably c. 0.9 of it is below the waterline?
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>The Antarctic is continental, which means the ice is supported by the continent underneath. So, you have an entire continent with hundreds or thousands of meters of ice. (However, I don't think all of that will melt at once...)
Of course I knew that
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>Then there is Groenland, which is also covered by lots of ice. Perhaps Canada, and parts of Europe and Asia, but I don't know for sure.
That's the part that worries me (not that I worry, you understand).
- Whoever said that women are the weaker sex never tried to wrest the bedclothes off one in the middle of the night
- Worry is the interest you pay, in advance, for a loan that you may never need to take out.