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Climate Swings - The Wordsmith's Forge — LiveJournal
The Writing & Other Projects of Elizabeth Barrette
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ysabetwordsmith
Climate Swings
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From: siliconshaman Date: July 29th, 2016 09:51 pm (UTC) (Link)

Re: Yes...

The North American Ice sheet melted in 23 years, the North Sea drowned Dogger Land in just under 50... once you hit a phase change sh*t happens fast.

Most models predict that Greenland will melt in 100 years... with no real science underpinning why it would take so long, other than it's big chunk of ice. Historical models based on similar sized ice sheets predict 10-25 years, but without any understanding as to how.

The West Antarctic ice sheet would take longer, maybe.. but given that a large part of that lies on land that's actually below sea level, so if it melts far enough, it will flood and undermine it..maybe not.

I really do not think our civilisation is going to cope well with a 30-50 metre sea-level rise in under a hundred years, what with 80% of the population living below that elevation and most of the big cities and agricultural land being at risk of inundation at that point.
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