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Thawing permafrost feeds climate change

RATE THIS! +38
Posted in Science on 26th Apr, 2015 01:02 AM by AlexMuller

Carbon, held in frozen permafrost soils for tens of thousands of years, is being released as Arctic regions of the Earth warm and is further fueling global climate change. Robert Spencer writes that microbes are rapidly devouring the ancient carbon being released from thawing permafrost soil and ultimately releasing it back into the atmosphere as carbon dioxide.

 

Increased carbon dioxide levels, of course, cause the Earth to warm and accelerate thawing. "When you have a huge frozen store of carbon and it's thawing, we have some big questions," said Robert Spencer, assistant professor of oceanography. "The primary question is when it thaws, what happens to it? Our research shows this ancient carbon is rapidly utilized by microbes and transferred to the atmosphere, leading to further warming in the region and therefore more thawing. So we get into a runaway effect."


Tags: icefrostcarboncarbon dioxideglobal warmingclimate change

Read original article » Back to category

Comments

Author: Guest
Posted: 2015-04-26
+1
Well, indeed, researchers have some big questions here and it is likely that what they are about to find is not a good news- one more way to accelerate climate change Reply


 

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