Ozone hole over Antarctica

Numéro d’image : 11736308
Ozone hole over Antarctica
Satellite map showing a severe depletion or "hole" in the ozone layer over Antarctica on October 3rd,1990. The hole is believed to be due to pollution of the atmosphere by chlorofluorocarbons used in aerosols & refrigerants. First observed in 1980,the most severe depletion was recorded in October 1987. This image represents the maximum depletion during the Antarctic spring of 1990. It appears here as the violet and pink areas covering Antarctica (outlined in white) and beyond. The scale of colours represents Dobson units,a measure of atmospheric ozone. The map was made by the Total Ozone Mapping Spectrometer (TOMS) on the American Nimbus-7 weather satellite
Licence : Droits gérés
Crédit: Science Photo Library / NASA
Taille de l’image : 4313 px × 4095 px
Model Release : Non requis
Property Release : Non requis
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