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Globetrotting Sahara sand takes rain to California http://apocadocs.com/s.pl?1362522745
If the Sahara gets any drier, it could make California wetter. That's because the dust and microbes that help form clouds can travel around the world on narrow air streams called "atmospheric rivers", causing rain.
The particles, or aerosols, help clouds form by acting as seeds for water vapour to condense around. Atmospheric rivers carry this dust-laden water until they hit mountains, such as California's Sierra Nevada, where their cargo turns to precipitation....In two storms with otherwise identical conditions, the one containing more dust was much wetter, suggesting that in future, extra dust from desertification and activities such as agriculture could make far-flung places wetter.
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[Read more stories about:
anthropogenic change, climate impacts, ecosystem interrelationships, weather extremes]
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'Doc Michael says:
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All right, already. Enough with the Gaia teaching moments!
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