The springtime Antarctic ozone depletion

Details The springtime Antarctic ozone depletion The springtime Antarctic ozone depletion

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988qjras..29..495r&link_type=abstract

Royal Astronomical Society, Quarterly Journal (ISSN 0035-8738), vol. 29, Dec. 1988, p. 495-502.

Astronomy and Astrophysics

Astronomy

2

Atmospheric Chemistry, Ozone Depletion, Spring (Season), Antarctic Regions, Atmospheric Circulation, Solar Terrestrial Interactions

Scientific paper

The dynamics, radiation, and chemistry of the atmosphere are outlined in an attempt to explain the processes behind springtime Antarctic ozone depletion. Recent observations made by Gardiner and Shanklin (1986) of the ozone abundance above Halley, Antarctica, a British base situated at 75 deg S, are presented. A graph is presented which shows the variation of October mean total ozone amounts from 1957 to 1984 and tropospheric concentrations of freons CFC 11 and CFC 12. As the CFC concentrations in the atmosphere started to increase in the early 1970s, the Halley ozone amounts decreased from their earlier values of 320 Dobson units. A drastic reduction in the production and use of CFCs is recommended by the author as well as the banning of nonessential uses.

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