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Old 03-06-2007   #4 (permalink)
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Re: Global warming? I am more worried about global cooling.

Gano, it may help to consider that the ocean currents heat the North Atlantic region. The currents won't actually cool anything, they will just stop warming the area if the current breaks down.
A large enough influx of fresh water will break down the major warming current. In addition to fresh water from melting glaciers, there is also the added fresh water from rivers. As average temperatures increase more water is held in the atmosphere leading to more rain leading to more water being dumped in the oceans from NW Europe. This last bit is from memory, I apologize for not having a specific resource.

The lack of the warming current could allow glaciers to grow over the water of the far north atlantic. The question is, will it be too little to balance what we are doing, or will it over balance leading to an ice age, or somewhere in between.


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"Treat the earth well: it was not given to you by your parents; it was loaned to you by your children. We do not inherit the earth from our ancestors, we borrow it from our children.

(Ancient Indian Proverb)"

1874 engraving of Mount Hood and the Columbia River by R. Henshel Wood
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