GAS FROM THAWING PERMAFROST COULD ADD FURTHER TO GLOBAL WARMING, STUDY SAYS...

image credit: http://catastrophemap.org/catastrophe-map-news.html

NEW YORK (Thomson Reuters Foundation) - Arctic permafrost that is thawing due to global warming is releasing greenhouse gases, further compounding the problem of climate change, according to a study released on Thursday...

As the permafrost thaws, changes in the way its soil microbes function and the soil carbon decomposes add to the emissions of carbon dioxide and methane into the atmosphere, according to the study by U.S. and Chinese scientists.

Carbon dioxide and methane are the main greenhouse gases that trap heat and contribute to climate change.

Permafrost is the perennially frozen ground that covers a quarter of the land in the Northern Hemisphere, primarily in the Arctic, said the study published in the monthly Nature Climate Change journal.

Working in Alaska, researchers warmed plots of tundra to thaw the permafrost and after 18 months found numerous changes in the soil microbes, it said.

"This study highlights the critical role that microbes play in mediating carbon losses from Arctic soils," said Susan Natali, a scientist at Woods Hole Research Center in Massachusetts and co-author of the Nature Climate Change paper, in a statement.

"The rapid response of the microbial community to warming suggests that the large store of soil carbon currently contained in permafrost will be highly susceptible to decomposition once it is thawed."

Previous studies have suggested that permafrost could decline by as much as 70 percent by the end of the century, according to the statement.

(Reporting by Ellen Wulfhorst, editing by Alisa Tang. Please credit the Thomson Reuters Foundation, the charitable arm of Thomson Reuters, that covers humanitarian news, women's rights, trafficking, corruption and climate change. Visit news.trust.org)

source: http://www.reuters.com/

To learn about global warming, climate change and greenhouse gas causes, effects, solutions, definitions, facts and tipping points, click here.
 
To receive breaking news on global warming issues, sign up for our Best of the Internet global warming blog by clicking here and putting your email address in the Global Warming Blog Subscribe box at the bottom right of the page. Once a week you will automatically receive new headlines from the key global warming stories of the week.
 
To learn about the greatest adaptive challenge and transformational adventure in human history; the new Job One For Humanity Plan to end global warming, click here.
 

Sign up for the Global Warming Blog for free by clicking here. In your email you will receive critical news, research and the warning signs for the next global warming disaster.

Click here to learn how global warming has become irreversible and what you can do to protect your family and assets.

Click here to learn about the most disruptive new book on global warming facts and research. Climageddon, The Global warming Emergency and How to Survive it.

To share this blog post: Go to the original shorter version of this post. Look to lower right for the large green Share button.

To view our current agreement or disagreement with this blog article, click here.


Be the first to comment

Please check your e-mail for a link to activate your account.
Sign Up For Newsletter Take Action Donate