Download - Ozone layer, is it disappearing?
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Ozone layer, is it disappearing?
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Protects against Ultraviolet radiation
• UV-radiation can give you skin cancerThere is:• UVA, UVB and UVC • UVC most dangerous • UVA least dangerous• UVC stopped by ordinary oxygen• UVB stopped by Ozone• UVA not stopped
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Ozone hole only over Antarctica
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The ozone miracle
• Ozone is created when UVC collide with ordinary oxygen. UVC is completely stopped by oxygen• Oxygen is created when UVB
collide with ozone.• Ozone will never disappear
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Ozone in Sweden
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Ozone variation
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Ozone in the tropics
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The strongest UV radiation
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Ozone layer globally
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Important facts about ozone
• Thinnest at equator• Thickest at the northern hemisphere• Only ozone hole around south pole• Most ozone is produced at the equator and
transported by the winds to the north and south.
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Ozone layer will never disappear in the future.
We have stopped dangerous HFC-gases that made the ozone layer thinner.