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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: longnshort who wrote (356183)	10/27/2007 4:24:03 PM
From: tejek	Read Replies (3) \| Respond to of 1578032

"Compared to the earlier 'mega-droughts' that are reconstructed to have occurred around AD 936, 1034, 1150 and 1253, the current drought does not stand out as an extreme event because it has not yet lasted nearly as long," the authors wrote. "This is a disquieting result because future droughts in the West of similar duration to those seen prior to AD 1300 would be disastrous." That may well be true. However, during those 'mega droughts' of the past, the West's population was a few thousand people. Now the West has a population of nearly 100 water demanding millions. The San Joaquin Valley in CA is one of the major breadbaskets of the US, accomplished by extensive water irrigation. A major source of fuel/electricity in the west is hydroelectric power, heavily dependend on adequate water flow. Your 'mega droughts' of the past may make the current drought puny by comparison. However, the level of damage the current drought can do seriously dwarfs the impact of past droughts.