Global warming and, as a consequence, soil thawing permafrost will lead to the fact that in the atmosphere will increase dramatically the number of nitrous oxide N2O, known as «laughing gas» because it produces an intoxicating effect, according to the American television channel ABC.
The study showed scientists from the University of Copenhagen, published in the journal Nature Geoscience, a process in which soil permafrost covering 25% of the total land area of the Northern Hemisphere, first thawed, dry and then impregnated with a new layer of melt water, dramatically speeds up the selection in atmosphere of «laughing gas.» Scientists estimate that the increase is approximately 20 times — thus, the amount of nitrous oxide in the Arctic may be the same as in the tropical forests.
«Measurements of nitrous oxide production in the samples permafrost in five additional portions Arctic indicate that found in Example Greenland laboratory soil levels of production of gas may constitute a lower limit, while in the wild, this gas may be generated much faster» — the report says.
Nitrous oxide N2O — one of the three most important greenhouse gases that result from human activities, along with carbon dioxide and methane. He is one of the gases, the volume of which is regulated by the Kyoto Protocol of the UN. Actively produced by this type of gas in the process of agriculture, especially of nitrogen-based fertilizers.
April 5, 2010.