ApocaDocs: Changing rains

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Posted Sun Apr 12 2009: from National Geographic:


	Changing rains http://apocadocs.com/s.pl?1239551661 Warm air holds more water vapor -- itself a greenhouse gas -- so a hotter world is a world where the atmosphere contains more moisture. (For every degree Celsius that air temperatures increase, a given amount of air near the surface holds roughly 7 percent more water vapor.) This will not necessarily translate into more rain -- in fact, most scientists believe that total precipitation will increase only modestly -- but it is likely to translate into changes in where the rain falls. It will amplify the basic dynamics that govern rainfall: In certain parts of the world, moist air tends to rise, and in others, the moisture tends to drop out as rain and snow.

[Read more stories about: climate impacts, global warming]

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'Doc Jim says:

I bet it rains ... on our parade.