An atmospheric layer that contains a high proportion of oxygen that exists as ozone. It acts as a filtering mechanism against incoming ultraviolet radiation. It is located between the troposphere and the stratosphere, around 9.5 to 12.5 miles (15 to 20 kilometers) above the earth's surface.
OZONE LAYER
Meaning of OZONE LAYER in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012