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Climate change caused by ocean, not just atmosphere

RATE THIS! +38
Posted in Science on 25th Oct, 2014 10:58 PM by AlexMuller

Most of the concerns about climate change have focused on the amount of greenhouse gases that have been released into the atmosphere. But in a new study published in Science, a group of Rutgers researchers have found that circulation of the ocean plays an equally important role in regulating the earth's climate.

 

In their study, the researchers say the major cooling of Earth and continental ice build-up in the Northern Hemisphere 2.7 million years ago coincided with a shift in the circulation of the ocean, which pulls in heat and carbon dioxide in the Atlantic and moves them through the deep ocean from north to south until it's released in the Pacific.
 
The ocean conveyor system, Rutgers scientists believe, changed at the same time as a major expansion in the volume of the glaciers in the northern hemisphere as well as a substantial fall in sea levels. It was the Antarctic ice, they argue, that cut off heat exchange at the ocean's surface and forced it into deep water. They believe this caused global climate change at that time, not carbon dioxide in the atmosphere.

Tags: Climateclimate changeglobal warmingpollutionatmosphereenergyocean

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Comments

Author: Guest
Posted: 2014-10-26
+1
It is of greatest importance to establish all factors that contribute to climate change and provide credible evidence and a undying picture. This is the area of enormous political confrontations and the data can be used irresponsibly to play down human impact Reply


 

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