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Politics : Politics of Energy
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From: enginer2/4/2009 9:24:59 PM
2 Recommendations  Read Replies (3) of 86356
 
Desertification

I can't relate this post directly to energy, but I must point out that the paleoclimatoligcal record indicates that during the periods of high CO2, when the earth was considerably warmer than now, huge ferns and swamps and grasslands were more common than deserts.

So why is elevated CO2 supposed to result in desertification? The "models" must somehow be tuned to ignore the fact that increasing ocean temperatures increase evaporation and H2O partial pressure, in favor of hoping that dropping humidity (the ability of the atmosphere to hold water) outstrips the water vapor pressure increase.

Not likely.
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