Condition of the Arctic ozone layer is getting worse this winter. Presumably this condition is caused by cold weather in the upper atmosphere. At the end of March, 40% stratospheric ozone layer is damaged. This increased level of damage before that only approximately 30%. The damage is the reaction of the stratosphere due to cooler conditions for the chemical industry pollution. Damage to the ozone layer in 2011 showed, people should be vigilant and aware of the situation for some time north pole to the ozone layer some future time. Damage to create harmful ultraviolet-B can be entered through the atmosphere. Rays that causes skin cancer, cataracts, and immune system damage. WMO warned residents to beware.
Danger of Destruction of Ozone layer
Ozone layer is a layer in the atmosphere at an altitude of 19-48 km (12-30 miles) above Earth's surface that contain molecules of ozone. The concentration of ozone in this layer reaches 10 ppm and are formed due to the influence of ultraviolet sun rays on oxygen molecules. These events have occurred since the millions of years ago, but a mixture of nitrogen molecules that appear to maintain the concentration of ozone in the atmosphere is relatively stable.
Ozone is a toxic gas so that when positioned near the soil surface would be dangerous if inhaled and can damage the lungs. In contrast, the ozone layer in the atmosphere protects life on Earth because it protects it from ultraviolet radiation that can cause cancer. Therefore, scientists are very worried when they found that chemicals chloro fluoro carbon (CFC) which is used as cooling medium and the driving gas aerosol spray, giving threat to this layer. When released into the atmosphere, these chlorine-containing substances are broken down by sunlight which causes the chlorine can react and destroy ozone molecules. Every single CFC molecule can destroy 100,000 ozone molecules. Therefore, the use of CFCs in aerosols was banned in the United States and other countries in the world. Other chemicals like bromine halokarbon, and also nitrogen oxides from fertilizers, can also attack the ozone layer.
Depletion of the ozone layer in the upper atmosphere is estimated to be the cause of increased skin cancer and cataracts in humans, damage to certain crops, affect plankton which will result in the marine food chain, and increased carbon dioxide (see global warming) due to reduced plant and plankton. Conversely, too much ozone in the lower atmosphere helps the occurrence of smog, is associated with respiratory tract irritation and respiratory diseases for those who suffer from acute cardiopulmonary problems.
In the early 1980s, researchers working in Antarctica periodically detect the loss of ozone over the continent. The situation called ozone hole (an area of thin ozone in the ozone layer) is, formed during the Antarctic spring and continues for several months prior to thicken again. Studies performed with a balloon at high altitude and weather satellites show that the overall percentage of ozone in the Antarctic is actually declining. The flights are carried out to examine it also gives the same results.
Ozone is a toxic gas so that when positioned near the soil surface would be dangerous if inhaled and can damage the lungs. In contrast, the ozone layer in the atmosphere protects life on Earth because it protects it from ultraviolet radiation that can cause cancer. Therefore, scientists are very worried when they found that chemicals chloro fluoro carbon (CFC) which is used as cooling medium and the driving gas aerosol spray, giving threat to this layer. When released into the atmosphere, these chlorine-containing substances are broken down by sunlight which causes the chlorine can react and destroy ozone molecules. Every single CFC molecule can destroy 100,000 ozone molecules. Therefore, the use of CFCs in aerosols was banned in the United States and other countries in the world. Other chemicals like bromine halokarbon, and also nitrogen oxides from fertilizers, can also attack the ozone layer.
Depletion of the ozone layer in the upper atmosphere is estimated to be the cause of increased skin cancer and cataracts in humans, damage to certain crops, affect plankton which will result in the marine food chain, and increased carbon dioxide (see global warming) due to reduced plant and plankton. Conversely, too much ozone in the lower atmosphere helps the occurrence of smog, is associated with respiratory tract irritation and respiratory diseases for those who suffer from acute cardiopulmonary problems.
In the early 1980s, researchers working in Antarctica periodically detect the loss of ozone over the continent. The situation called ozone hole (an area of thin ozone in the ozone layer) is, formed during the Antarctic spring and continues for several months prior to thicken again. Studies performed with a balloon at high altitude and weather satellites show that the overall percentage of ozone in the Antarctic is actually declining. The flights are carried out to examine it also gives the same results.
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