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Tuesday, October 25, 2016

The greenhouse effect was “breathing monster” from the depths of the Pacific ocean

A study conducted by a group of scientists from Germany, New Zealand, USA, Chile and Switzerland, allowed to learn new details about how the ice ages and the intervals between them affected the content of carbon dioxide in the Earth’s atmosphere. Experts say that in the depths of the Pacific ocean there is a huge “breathing monster” (and to be precise, it is a reservoir of carbon dioxide, gradually penetrating into the atmosphere).

photo: pixabay.com

Scientists say that, according to their calculations, during the last ice age the concentration of carbon dioxide in the air gradually decreased, and about 800 thousand years fell from 280 to 180 ppm. At the same time “missing” the gas was accumulated in the South Pacific ocean at a depth of about 2-4 km from the surface of the water, reports lenta.ru. Carbon dioxide got there, brought in by ocean currents, however, until ice age was released into the air through the surface of the water without breaking the “balance” between its content in the air and in the water. However, with the onset of cooling “ventilation window” through which carbon dioxide caught on the surface were frozen, and the carbon dioxide is “locked” at the bottom.

In the future, according to experts, the circulation was restored, and is now full of carbon dioxide water re-enters the surface of the Pacific ocean, causing it to hit in the air and, as a consequence, the enhanced greenhouse effect and further warming only contributes to this.

Their study, the scientists presented in the journal Nature Communication.

Even if experts received data is confirmed, to declare underwater “deposits” the only or even the main cause of the greenhouse effect it would be an exaggeration. In January of this year the concentration of carbon dioxide in the Earth’s atmosphere have crossed the symbolic level of 400 parts per million, and in February reached 402,59 parts per million. Thus, in 12 months she grew stronger than in any of the previous 56 years.

Recently climate scientists today from NASA said that last April was the hottest on record.

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