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Period: to
Ozone Depletion Timeline
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Christian Friedrich Schonbein
Christian Friedrich Schonbein discovers the ozone while experimenting with the electrolysis of water. -
A Form of Water
Auguste de la Rive and Jean Charles de Marignae suggest that the ozone is a form of oxygen. -
Thmoas Andrews
Thomas Andrews, an Irish chemist and physicist, confirms that the ozone is a form of oxgen. -
Sharp Cuttoff
Maya alfred cornu meausre the solar specturm, which is the total distribution of electromagnetic radiation coming from the sun, and finds a sharp cuttoff in ultraviolet light. -
Global Ozone Depletion
Years of satelite data begin to show measurable ozone depletion globally. -
Dobson Ozone Spectro-meter
G.M.B. Dobson developes the Dobson Ozone Spectro-meter, or the spectrometer and begins regularly measuring the intensity of its UV radiation. -
CFC's
Thomas Midgley produces Chorofluorocarbons -
CFC's are popular
CFC's market rapidly expands. -
James Lovelock
James Lovelock detects CFC's in the atmosphere. -
CFC's
Sherwood Rowland and Mario Molina warn the world that the ozone is depleting because of CFC's -
United Nation Environment Program
United Nations Environment Program holds a meeting in Washington to address the depletion of the ozne. -
US Bans CFC's
US bans non-essiential use of CFC's -
Antarctica
Shigeru Chubachi measures low ozone over Antartica. -
Abnormal Low Ozone
Abnormally low ozone observed all around the world -
CFC Production Ends
CFC production ends in U.S. and Europe -
Maximum CFC
Maximum CFC concentrations in stratophere are reached -
Bristish Antartic Survey
Bristish Antartic Survey scientist discover recurring springtime Antartic ozone hole.