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China Jon's Syncretic Journal

An American in China

Global colding

Well, just a comment in explanation about how 'global Warming' can cause colder weather.

It is indeed possible for a warming condition - it need not be global - to cause colder weather. This is because the warmth we in North America, and Northern Europe, enjoy is a product of a circulation northward of equatorial water. You probably studied this in school. Warm Gulf Stream water flows north, right? Well cold water is flowing south as well.

But in a period of higher than normal temperatures, there is more rain and higher temperatures in the north. This causes more melting of Arctic ice and snow. This melting provides more fresh water to the North Atlantic. Fresh water is lighter than salt water, and does not sink down to join the regular circulation of cold water to the the South Atlantic. This disrupts the overall circulation which includes the warm water which is responsible for warming the North Atlantic. A colder North Atlantic provides colder weather for the Northern hemisphere in general.

It also causes an increase in equatorial water temperatures, which produce more higher temperatures, and more severe equatorial storms such as hurricanes.

Over a period as short as ten years, a climate change could occur with far ranging human consequences that might last for 1000 years..

Google 'The year there was no summer' and 'The little ice age.' In those articles are also references to volcanic explosions which cause short cooling periods.

How well do you fly?Shadows

Comments

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:smile: Interesting.

By NARUTO9TF, # 21. March 2008, 15:37:28

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This was the worst winter in China for a very long time. Now they are preparing as well as they can to avoid floods when all the snow melts.

:wizard:

By chinajon, # 21. March 2008, 16:03:54

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