الوضع الليلي
12:58:3 
2023-07-11 
1790
Scientists discover huge amounts of methane in the groundwater of the Arctic
European and Canadian climatologists have found that groundwater sources in the Arctic region contain huge amounts of methane.
The press service of the University of "Cambridge" said that this indicates the presence of a large amount of unaccounted greenhouse gas emissions in the region. The study has been published in this regard work in the journal Nature Geoscience.
It thus turns out that groundwater represents an important and rapidly growing source of methane emissions that have not yet been taken into account in global methane budget estimates for the planet. "If global warming continues to accelerate, these emissions will become even larger in the near future," said Gabrielle Kleber, a researcher at the University of Cambridge.
Methane (CH4) is a greenhouse gas. Its impact on the Earth's heat balance in the short term is tens of times greater than that of carbon dioxide (CO2). According to estimates by climate scientists, about a third of the global warming effect is caused by methane emissions, so scientists seek to control all sources of this gas.
Kleiber and her colleagues discovered that one of the most important natural sources of methane, which has not yet been determined, is groundwater in the polar regions of the Earth. Scientists have come to this conclusion by studying the characteristics of groundwater in areas that have recently melted ice, especially in the Svalbard archipelago.
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