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Arctic inland waters emit large amounts of carbon
Date:1/23/2014

lakes with literature data.

The results shows that Arctic lakes are more efficient carbon sequestrators than warmer boreal lakes. It indicates that with a warmer climate northern lakes will reduce their coal storage ability and we can expect larger emissions of carbon dioxide and methane from our northernmost lakes.

Although it has long been known that inland waters are atmospheric sources of carbon dioxide and methane, as well as burying carbon in sediments, they are often overlooked in regional carbon budgets. These budgets are estimated to be able to make good estimates of the amount of carbon in various geographical areas, to show existing quantities as well as changes over time.

What is the practical significance of your results?

"It can be concluded that by ignoring the inland waters in regional carbon budgets, one overestimates the landscape carbon sequestration. This knowledge is important when making predictions of the future climate, but also for estimating the climate's feedback effects on the carbon cycle, " says Erik Lundin.


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Contact: Erik Lundin
erik.lundin@emg.umu.se
46-070-516-6137
Umea University
Source:Eurekalert  

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Arctic inland waters emit large amounts of carbon
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