Growth of the Antarctic ozone hole. Series of false-colour maps of total atmospheric ozone,comparing the distribution on 23 September for the years 1979-82 (l-r,top) with 1989-92 (l-r,bottom). The colours represent ozone concentration,from white (highest) through red,yellow,green and blue to purple (lowest). The maps of 1979-82 show ozone depletion (blue) over the Antarctic. The maps for 1989-92 show deeper and far more widespread depletion of ozone over the same region (purple),with the worst case being 1992. Ozone depletion has been linked to man-made chemicals such as CFCs. Data from the TOMS spectrometer on the Nimbus-7 satellite | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NASA |
Taille de l’image : | 3543 px × 2798 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |