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- A severe depletion of stratospheric ozone over Antarctica that occurs each spring. The possibility exists that a hole could form over the Arctic as well. The depletion is caused by a chemical reaction involving ozone and chlorine, primarily from human produced sources, cloud particles, and low temperatures.
NOAA National Weather Service - Cite This Source - This Definition
- Anthropogenic Source, Area Source, Layered Haze, line source, Plume Blight, Point source, Ventilation Index