The Ozone HoleBy: Jaymie

An area of the ozone layer, such as the large area over Antarctica or the smaller area over the North Pole, that periodically becomes depleted of ozone.

  • For nearly a billion years, ozone molecules in the atmosphere have protected life on Earth from the effects of ultraviolet rays.

  • The ozone hole is not technically a “hole” where no ozone is present, but is actually a region of exceptionally depleted ozone in the stratosphere over the Antarctic that happens at the beginning of Southern Hemisphere spring (August–October).

  • In recent years, much attention has been given to the "ozone hole" over Antarctica. This phenomenon is observed each year in October during the Antarctic spring. After several weeks, the Antarctic vortex, a whirling weather system that encircles and isolates the South Pole during winter, breaks up and ozone levels rapidly rise.

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