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Originally Posted by flstf
Ustwo
I wonder if the US Southwest would really become more desert like. As I understand it the warm up of the Earth causes additional precipitation due to the melting of the Polar areas and increased evaporation and rainfall. There is some speculation that desert areas may actually decrease during the warm up and increase during the cool down periods due to lack of moisture.
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The drying out of the southwest was just one prediction I read recently and it may well be wrong. Things like ocean currents and the jet stream play a huge role in this and our predictions there are not good.
I do think that areas like North Africa would quite possibly become far more fertile again.