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Antarctic ozone hole [1 record]

Record 1 2001-09-14

English

Subject field(s)
  • Climate Warming and Ozone Layer
  • Air Pollution
DEF

The seasonal depletion of ozone in a large area of Antarctica.

CONT

Antarctic ozone hole ... The extremely cold temperatures within the polar vortex lead to formation of polar stratospheric clouds (PSCs) over large areas in early winter. These clouds are the key to the severe ozone depletion which has become known as the ozone "hole". PSCs form at the lower, colder altitudes (10-25 kilometres). The clouds are a major factor in causing large total column ozone depletion in the springtime Antarctic stratosphere.

French

Domaine(s)
  • Réchauffement climatique et couche d'ozone
  • Pollution de l'air
DEF

Trou d'ozone situé dans l'hémisphère Sud au-dessus de l'Antarctique et du pôle Sud.

Spanish

Campo(s) temático(s)
  • Calentamiento climático y capa de ozono
  • Contaminación del aire
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