Antarctic Ozone Hole
Definition
The Antarctic ozone hole refers to a severe annual depletion of stratospheric ozone over Antarctica during Southern Hemisphere spring (September-November). It is primarily caused by human-made chemicals known as halocarbons or halons.
Related terms
Polar Stratospheric Clouds: High-altitude clouds formed in extremely cold polar regions that contribute to chemical reactions leading to rapid ozone destruction.
Ozone Depletion Potential (ODP): A measure used to compare the potential for different substances to deplete stratospheric ozone; it quantifies how much damage a substance can cause relative to CFC-11 (chlorofluorocarbon-11).
Ozone Hole Recovery: The gradual healing and replenishment of the ozone layer, which is expected to occur as levels of ozone-depleting substances decrease in response to international agreements.
"Antarctic Ozone Hole" appears in:
Practice Questions (1)
Which of the following best describes the relationship between ozone depletion and the Antarctic ozone hole?
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Cram Mode
AP Score Calculators
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Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.