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ProfileGalaxyIce
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Message 37170 - Posted: 10 Mar 2010, 23:15:56 UTC
Last modified: 10 Mar 2010, 23:22:12 UTC

It seems the frozen is thawing...

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ProfileVincent JG
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Message 37208 - Posted: 11 Mar 2010, 14:33:28 UTC

It is that time of the year again.
"Government big enough to supply everything you need is big enough to take everything you have."
-Thomas Jefferson
American Thinker
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ProfileGalaxyIce
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Message 37223 - Posted: 11 Mar 2010, 20:17:09 UTC - in response to Message 37208.  

It is that time of the year again.

That time to plant the seeds and hope for the best.


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ProfileSarge

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Message 37228 - Posted: 12 Mar 2010, 3:47:19 UTC

The position of the continents determines the geometry of the oceans and therefore influences patterns of ocean circulation. The locations of the seas are important in controlling the transfer of heat and moisture across the globe, and therefore, in determining global climate. A recent example of tectonic control on ocean circulation is the formation of the Isthmus of Panama about 5 million years ago, which shut off direct mixing between the Atlantic and Pacific Oceans. This strongly affected the ocean dynamics of what is now the Gulf Stream and may have led to Northern Hemisphere ice cover.[3][4] Earlier, during the Carboniferous period, plate tectonics may have triggered the large-scale storage of carbon and increased glaciation.[5] Geologic evidence points to a "megamonsoonal" circulation pattern during the time of the supercontinent Pangaea, and climate modeling suggests that the existence of the supercontinent was conducive to the establishment of monsoons.[6]
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Message boards : Cafe MilkyWay : Climate change

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