Thread: Global Warming
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Old 03-21-2007, 08:23 PM
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Quote:
Originally Posted by barney-fife";p=&quot View Post
Then by extension, Mann predicts higher rates of hurricanes in 2006 when he notes rising sea temperatures, caused by, according to Mann, human activity.
He also notes the complexity of the systems involved. Unless he actually issued a prediction, you can't claim he did.

Quote:
You did also note the several articles on the planets Mars, Venus and Pluto also experiencing global warming, didn't you?
Yes, and those are very interesting data. But the cause and meaning -- and whether it's at all relevant to our own situation -- is almost completely undetermined.

Quote:
BTW, when ice melts, the water level remains the same.
Actually, when ice in a glass of water melts the water level often falls, because water expands when it freezes, thus taking up more volume and displacing more water. Although if the ice is all floating on the surface (and thus is not forced underwater), it will displace water solely by weight, not volume, and thus when it melts the water level will stay the same.

Quote:
This means that both poles could totally melt, and the level of the oceans would not rise one inch.
Much of that ice is on land, or attached to land and only semi-floating. When it melts, it raises the sea level. The Greenland ice sheet, for instance -- the largest land ice mass in the Northern Hemisphere -- contains enough water to raise sea level by 24 feet if it all melts.

I know I've told you this before. Why do you keep repeating bad science?
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