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Natural and anthropogenic perturbations of the stratospheric ozone layerThe paper reviews potential causes for reduction in the ozone abundance. The response of stratospheric ozone to solar activity is discussed. Ozone changes are simulated in relation with the potential development of a fleet of high-speed stratospheric aircraft and the release in the atmosphere of chlorofluorocarbons. The calculations are performed by a two-dimensional chemical-radiative-dynamical model. The importance of heterogeneous chemistry in polar stratospheric clouds and in the Junge layer (sulfate aerosol) is emphasized. The recently reported ozone trend over the last decade is shown to have been largely caused by the simultaneous effects of increasing concentrations of chlorofluorocarbons and heterogeneous chemistry. The possibility for a reduction in stratospheric ozone following a large volcanic eruption such as that of Mount Pinatubo in 1991 is discussed.
Document ID
19920048025
Document Type
Reprint (Version printed in journal)
Authors
Brasseur, Guy P.
(NCAR Boulder, CO, United States)
Date Acquired
August 15, 2013
Publication Date
March 1, 1992
Publication Information
Publication: Planetary and Space Science
Volume: 40
ISSN: 0032-0633
Subject Category
Geophysics
Accession Number
92A30649
Funding Number(s)
CONTRACT_GRANT: NASA ORDER L-72802-C
Distribution Limits
Public
Copyright
Other

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