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17 December 2017


Human activity the axis of rotation of the Earth shattered

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Experts from the American space Agency NASA, found that the North pole is shifting quite rapidly to the East, and also found out what role in this process was played by the influence of human activities on climate. To understand this, the researchers have traced how changing geographical poles of the Earth more than a century.

Scientists explain that the axis of rotation of our planet rotates like a desktop globe — she is constantly "swinging", and its rotation axis is in continuous movement, "wandering" around the poles. Although people, such fluctuations generally go unnoticed, but sometimes — for example, when receiving data GPS this deviation should be taken into account, noted in NASA.

In the past, record the deviation of the axis for the entire 115-year history of observation was about 12 meters. Up to 2 000 years, the North pole of rotation moved towards Canada, but at the turn of the century sharply changed course and now moves towards the British Isles with almost twice higher speed of 17 centimeters per year. According to experts, such a dramatic change may be due to the rapid melting of ice in Antarctica and Greenland, which, in turn, not least due to climate change resulting from human activities.

According to experts, on the rotation of the Earth affect the flow of water moving through the Ground but these threads must be very considerable, and even the melting of Greenland would not be enough for such a serious influence. However, the Antarctic, scientists believe that melts on the Western side, and thus the West "pulls" the pole, and the East "pushes".

Although the role of anthropogenic factors in climate change and the melting of ice is very high, partly changes because of the influence of nature. In particular, specialists often say that temperature records of recent years can partly be attributed to the influence of El niño – a cyclical warming of surface water in the Equatorial Pacific ocean. And one from unknown causes melting of Greenland Novosibirsk experts have recently called streams of hot matter, which flowed under them tens of millions of years ago.

Date
2016.04.14 / 18:48
Author
Axar.az
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