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Ozone layer repairs itself in the lockdown days

At the beginning of April, a large hole was seen on the ozone layer of the North Pole. Scientists claimed that this is the biggest hole in history so far.

Ozone layer repairs itself in the lockdown days
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New York, (Aryavarth). Humans may be troubled by the lockdown, but animals, trees, plants and nature are breathing in peace. At the beginning of April this month, scientists detected a hole of one million square kilometres in the ozone layer above the North Pole. It was the biggest hole in history. But the good news is that gap has been filled due to reduced pollution in this time of lockdown.

There is an ozone layer above the northern and southern poles of the Earth. Even before that the lockdown had cut the hole in the ozone layer of the South Pole. At the beginning of April, a large hole was seen on the ozone layer of the North Pole. Scientists claimed that this is the biggest hole in history so far. It was spread over 1 million square kilometers. The North Pole means the Arctic region of the Earth. A powerful polar vortex was built over this area which has been repaired now. The ozone layer was becoming thinner due to clouds forming on the Stratosphere at a very high altitude above the North Pole. Clouds, chlorofluorocarbons and hydrochloro fluorocarbons were mainly the three biggest reasons behind reducing the hole in the ozone layer. The volume of these three components increased in the Stratosphere. Because of this, when ultraviolet rays from sun collided in Stratosphere, atoms of chlorine and bromine coming out of them. These atoms were diluting the ozone layer and the hole was getting bigger. Pollution would add to it but during lockdown when pollution reduced the whole chain of reaction reduced its intensity. According to NASA scientists such a situation is usually seen in the ozone layer above the South Pole i.e. Antarctica. But this time it is seen in the ozone layer above the North Pole. The thickness of Stratosphere is from 10 to 50 km above the Earth. There is an ozone layer in the middle of it, which protects life on Earth from the ultraviolet rays of the sun. About 70 per cent of the ozone layer above the South Pole disappears in the spring. In some places, there is no layer left. But this does not happen at the North Pole. The coat has been thinning here, but this was the first time that such a big hole seen.

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Vincent Henry Peuch, director of the Copernicus Atmosphere Monitoring Service, which studies the ozone layer, said it was a result of a chemical process that occurred after low temperatures and sun rays collided. Vincent Henry told us that we should try to reduce pollution. But this time the hole in the ozone is a subject of study for scientists all over the world. We must reduce the levels of chlorine and bromine in the Stratosphere. Eventually, chlorine and bromine levels decreased, and the ozone layer filled the hole. Vincent has expressed the hope that this massive hole in this ozone layer will start filling soon. This will be possible only with the change of seasons. At this time, we should implement the 1987 Montreal Agreement. To begin with, pollution from China’s industries needs to stop.

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