In the Arctic discovered vast fields of methane emissions

In the Arctic discovered vast fields of methane emissions

on September 26. The participants of the Russian-American expedition to the Eastern sector of the Arctic discovered a new large fields of methane emissions in the Northern parts of the Laptev sea and the Bering sea. This was reported by phone from aboard the research vessel «Academician Lavrentiev» the commander of the Arctic research Laboratory Pacific Oceanological Institute far Eastern branch of the Russian Academy of Sciences, Professor at the American University of Alaska-Fairbanks Igor Semiletov.

«Gas torches» pass through the entire thickness of the ocean water and thus methane is emitted into the atmosphere. Presumably, this gas deep origin\” – quoted Semiletov ITAR-TASS.

 

Scientists have yet to determine the volumes emitted from the depths of the Arctic seas of methane into atmosphere that will shed light on its origin.

«Perhaps it falls into the sea from the depths of the earth’s crust, that may indicate a the increase in seismic activity in that region. Scientists believe that the signs of global warming are everywhere in the Arctic. Dramatically increased the number of stormy days, and the water temperature is unusually high for this time of year. Now the water in the seas plus three degrees. This means that the process of ice formation will slow, and the area of multiyear ice in the Arctic will be reduced again», — told Semiletov.

The expedition sailed from Vladivostok in early September. It is participated by 28 scientists from Russia and the United States. In addition to the staff of the far Eastern branch Russian Academy of Sciences, scientists of the research center of Alaska-Fairbanks and the University of Georgia, USA.

Research funding is provided by the Russian Foundation for basic research, the National science Foundation and the National endowment of the U.S. ocean and atmosphere.

For research on the ship «Academician Lavrentiev» deployed modern geophysical complex, which will allow you to determine the amount of emitted greenhouse gas.

For 45 days, the scientists will examine the emissions of methane and areas of submarine permafrost in the Chukchi, Bering sea and the East Siberian sea and the Laptev sea. The expedition was part of the route. It — five thousand nautical miles, of which 1 thousand — with comprehensive research.

Far Eastern scientists together with American colleagues already for several years conducting research methane emissions in the Arctic. Previous expeditions have suggested that this greenhouse gas appears when the destruction of the underwater sections of permafrost due to climate change, which further increases the warming process and leads to new methane emissions.

These studies showed that large emissions of methane in the Arctic could lead to catastrophic consequences for the Earth’s climate.

Source: Lead

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