Friday, July 1, 2016
Signs Of Recovery in The Ozone Layer
Researchers say they have found the first evidence of moral improvement in decreasing ozone layer above the Antarctic.
Scientists say the ozone hole was smaller in September 2015 than in 2000, 40 million square feet. This area is almost the size of India.
These are displayed after the long-term decline in the use of chemicals destroying the ozone.
This study is also a growing problem in fawns fire that came before.
In the mid-1980s, British scientists first ten kilometers altitude atmosphere above Antarctica saw a dramatic drop in ozone layer.
Ozone is important because it protects from harmful radiation from the sun altruist.
Its absence is the risk of skin cancer and white pearls and damage to animals and plants.
Since American researcher Susan Solomon discovered in 1986 that the ozone layer is being destroyed by the chlorine and bromine in chlorofluorocarbon (CFC). These gases are common as kyspry from the hair found in refrigerators and air conditioning units.
Due to the ozone layer above Antarctica are favorable for the chemical action of chlorine to destroy ozone, the presence of severe cold weather and light.
Professor Solomon and his colleagues took a detailed review moan ozone air between 2015 and 2000.
While air balloons, satellites and other sources they use a thin layer of ozone in the period was determined that a decrease of 40 million square kilometers and is the main reason for the lack of chlorine in the air.
Professor Solomon told the BBC that although China has 2,000 years, but decreased production FC gases in all countries, including India, is still a large number of chlorine in the atmosphere.
He said that his life is usually taken 50 to 100 years, so it will improve gradually fade and ozone.
Professor Solomon said, "We can not expect a full recovery until 2050 or 2060, but we had seen in September that the ozone hole is not as bad as it was before.
He said that there are holes in the ozone volcano which made the Polar strasfyrs sulfur particles spewing clouds of lava create conditions for the ozone tnahy.
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