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New knowledge about permafrost improving climate models
Date:7/28/2013

ow, and the release of carbon dioxide will take place over several hundred years, in addition to methane that is produced in waterlogged conditions. The findings can be used directly to improve existing climate models.

The new studies are mainly conducted at the Zackenberg research station in North-East Greenland, but permafrost samples from four other locations in Svalbard and in Canada have also been included and they show a surprising similarity in the loss of carbon over time.

"It is thought-provoking that microorganisms are behind the entire problem microorganisms which break down the carbon pool and which are apparently already present in the permafrost. One of the critical decisive factors the water content is in the same way linked to the original high content of ice in most permafrost samples. Yes, the temperature is increasing, and the permafrost is thawing, but it is, still, the characteristics of the permafrost which determine the long-term release of carbon dioxide," Bo Elberling concludes.


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Contact: Bo Elberling
be@geo.ku.dk
45-23-63-84-53
University of Copenhagen
Source:Eurekalert

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