New study reports that Greenland is a methane sink rather than a source

Greenland settlement [image credit: climatechangepost.com]

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Greenland settlement [image credit: climatechangepost.com]

A large dent goes in to thawing permafrost scares, as another ‘ticking time bomb’ based on greenhouse gas theories turns out to be a dud. As for carbon dioxide, the professor leading the study commented: “…the ice-free parts of Greenland have only been without ice since the last ice age, meaning that they never stored much carbon”. Climate models will have to be revised.
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Researchers at the University of Copenhagen have concluded that the methane uptake in dry landscapes exceeds methane emissions from wet areas across the ice-free part of Greenland.

The results of the new study contribute important knowledge to climate models, says Phys.org.

The researchers are now investigating whether the same finding applies to other polar regions.

It has long been thought [Talkshop comment – e.g. by alarmists like this] that the Arctic may be a ticking climate bomb. As local temperatures rise and permafrost thaws, more and more of the greenhouse gas methane is released.

But in a new study from the Department of Geosciences and Natural Resource Management at the University of Copenhagen, researchers have been able to conclude that at least Greenland does not seem to be a methane bomb after all.

In fact, Greenland consumes more methane than it releases, according to analyses of soil samples from 11 areas across Greenland. The researchers used an existing dynamic methane model, which made it possible to quantify the methane budget for all of Greenland.

The researchers have been able to conclude that, on average and since 2000, dry landscapes of the ice-free part of Greenland have consumed more than 65,000 tons of methane annually from the atmosphere, while 9,000 tons of methane have been released annually from its wet areas.

Full article here.