Reductions in ozone at high concentrations of stratospheric halogens

An increase in the concentration of inorganic chlorine to levels comparable to that of oxidized reactive nitrogen could cause a significant change in the chemistry of the lower stratosphere leading to a reduction potentially larger than 15 percent in the column density of ozone. This could occur, fo...

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Bibliographic Details
Published in:Nature (London) 1984-11, Vol.312 (5991), p.227-231
Main Authors: Prather, M. J., Mcelroy, M. B., Wofsy, S. C.
Format: Article
Language:English
Subjects:
Atmosphere - chemistry
Atmospheric composition. Chemical and photochemical reactions
Bromine - analysis
Chlorine - analysis
Chlorofluorocarbons - analysis
Earth, ocean, space
Environment Pollution
Exact sciences and technology
External geophysics
Halogens - analysis
Humanities and Social Sciences
Hydroxyl Radical - analysis
Methane - analysis
multidisciplinary
Nitrogen - analysis
Ozone - analysis
Photochemistry
Physics of the high neutral atmosphere
Science
Science (multidisciplinary)
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Summary:An increase in the concentration of inorganic chlorine to levels comparable to that of oxidized reactive nitrogen could cause a significant change in the chemistry of the lower stratosphere leading to a reduction potentially larger than 15 percent in the column density of ozone. This could occur, for example by the middle of the next century, if emissions of man-made chlorocarbons were to grow at a rate of 3 percent per year. Ozone could be further depressed by release of industrial bromocarbon.
ISSN:0028-0836
1476-4687
DOI:10.1038/312227a0