The heat will tear the planet increasingly

The heat will tear the planet increasingly

August 15, 2013. The atmosphere of the planet heats up, and it happens regardless of human activity or emissions of carbon dioxide. This is indicated by the results of a study published by the American, Spanish and German scientists. According to experts, the heat, like Moscow 2010, will tear the planet more often.

In an article published in the journal Environmental Research Letters a group of authors from the universities of Pittsburgh, Madrid and Potsdam, described two scenarios. According to optimistic forecasts, the number of extreme weather events, including the so-called heat waves will increase until 2040, when in range of such phenomena will be 3% of the Earth’s surface.

In the second half of the XXI century the climate stabilized, however, even in such a scenario extreme weather events will occur on the planet four times more often than now. In the negative scenario, the climate will change before the end of the century, and by 2100 in the zone of extreme events will be 85% of the total land area of the planet.

Heat wave scientists call a giant «cap» hot air, which due to its high mass resists winds and cyclones, while remaining in the same region in the next few weeks. Clouds in such a wave is not, so the Sun every day warms up a wave more and more, maintaining its stability.

«A good example of a thermal wave is heat, which covered the territory of Russia in 2010 from the Baltic to the Caspian sea, — quotes Dima Como from the University of Pittsburgh, one of the co-authors of the study. — In the Moscow region the average July temperature is seven degrees greater than usual rate +25°C, reaching in some areas +40°C».

Scientists have obtained such data by creating a computer model of climate and having considered the possible weather changes. One of the results of the study was the lack of impact on the climate indicators carbon dioxide, which is released into the atmosphere as a result of human activity. Previously it was thought that this greenhouse gas that leads to global warming, but now more and more scientists believe that the atmosphere of the planet is heated under a long-term global climatic fluctuations caused by changes in the luminosity of the Sun, as well as processes within the earth’s core and other phenomena that people are not affected.

Recall that in April was published research by canadian scientists, according to the results of which to return the climate to the figures of the twentieth century will take several hundred years. According to the forecasts of Canadians, in the best case, the temperature and weather indicators XX century will only be restored by the end of XXIV — the middle of the XXV century. But even optimistic forecasts, some changes are irreversible. So, the Greenland ice will melt completely, the Global sea level will rise by about 7 meters. However, if we don’t make special efforts, the climatic conditions of the twentieth century will be restored only through a thousand years.


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