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Science 1 January 1988:
Vol. 239. no. 4835, pp. 48 - 50
DOI: 10.1126/science.239.4835.48
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Articles

Global Trends in Total Ozone

KENNETH P. BOWMAN 1

1 Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign, Urbana, IL 61801.

Satellite ozone data from the Total Ozone Mapping Spectrometer from 1979 through 1986 show that recent decreases of total ozone have not been confined to the Antarctic spring season (the Antarctic ozone hole), but are global in extent. The losses are about twice the estimated uncertainty in the satellite data. The decreases are largest in middle and high latitudes and occur in all seasons of the year. The decreases for this 8-year period are comparable in magnitude to the increases observed during the 1960s. Southern Hemisphere values from 1986 are generally greater than those from 1985.

Submitted on August 21, 1987
Accepted on November 17, 1987


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