Deep stores of carbon in northern peatlands may be safe from rising temperatures, according to a team of researchers from several U.S.-based institutions.
And that is good news for now, the researchers said.
Florida State University research scientist Rachel Wilson and University of Oregon graduate student Anya Hopple are the first authors on a new study published today in Nature Communications. The study details experiments suggesting that carbon stored in peat—a highly organic material found in marsh or damp regions—may not succumb to the Earth’s warming as easily as scientists thought.
That means if these northern peatlands—found in the upper half of the northern hemisphere—remain flooded, a substantial amount of carbon will not be released into the atmosphere.
“We do see some breakdown of peat on the surface, but not below 2 feet deep, where the bulk of the carbon is stored,” Wilson said.
The study is part of a long-term look at how carbon stored in peat will respond to climate and environmental change. The team of researchers, led by Paul Hanson of the Oak Ridge National Laboratory, includes scientists from FSU, University of Oregon, Georgia Institute of Technology, the U.S. Department of Agriculture-Forest Service, Chapman University, Lawrence Livermore National Laboratory, Pacific Northwest National Laboratory and Oak Ridge National Laboratory.
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