Scientists found massive new source of greenhouse gases warming Earth

Researchers have identified a new source of greenhouse gas emissions as permafrost melts due to Earth's rising temperatures.

@JakConnorTT
Published Fri, Dec 17 2021 3:33 AM CST   |   Updated Tue, Jan 11 2022 7:08 PM CST

Researchers have discovered a new massive source of greenhouse gases contributing to the warming of the planet.

Scientists found massive new source of greenhouse gases warming Earth 01 | TweakTown.com

A new study published in Nature Communications details the discovery of an abundant type of permafrost called Yedoma. This permafrost is rich in organic material, and in the Northern Hemisphere, it covers more than a million square kilometers of land. Researchers looked at the Kolyma and Lena rivers in Siberia and found permafrost is melting along the river banks that were releasing between 10 and 100 times the amount of nitrous oxide (N2O) that typical permafrost thaw would.

The researchers discovered that as the soil melted and thawed out, the population of the N2O-producing microbes in the soil increased, while simultaneously, the population of the N2O-consuming microbes decreased. This process causes more nitrous oxide to be expelled. The researchers write in the study that the examples of excessive greenhouse gases along the rivers aren't limited to Siberia. Suggesting that there are likely other similar places in the world contributing to global warming.

"While it is important to remember that such high N2O emissions will occur in particular settings... these conditions are not limited to the retrogressive thaw slumps along rivers studied here. Similar disturbed nitrogen-rich Yedoma with successional plant cover are widespread along thermokarst lake shores, coasts, slopes, and valleys across the Yedoma region," write the researchers.

"The nitrogen release from thawing permafrost can substantially improve the availability of nitrogen in Arctic ecosystems, which, in addition to the direct climatic feedback in the form of nitrous oxide, may have important consequences on carbon fixation by plants and eutrophication of water systems," says environmental scientist Maija Marushchak, from the University of Eastern Finland.

For more information on this story, check out this link here.

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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