Evidence for vertical ozone redistribution since 1967

Details Evidence for vertical ozone redistribution since 1967 Evidence for vertical ozone redistribution since 1967

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jatp...54.1423f&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 54, no. 11-12, p. 1423-1431, 1433-1445.

Physics

2

Atmospheric Temperature, Man Environment Interactions, Ozone Depletion, Ozonometry, Stratosphere, Vertical Distribution, Balloon-Borne Instruments, Gas Composition, Germany, Solar Cycles, Spectrophotometers

Scientific paper

Long-term measurements of ozone concentration in the vicinity of the city of Berlin have been performed with ground-based Dobson spectrophotometers and balloon borne systems. The respective experiments cover the past 24 yr. All data have been re-evaluated and corrected towards uniform calibration standards, leading to the longest lasting European data set of total column density, altitude-dependent ozone partial pressures and the corresponding temperatures. Smoothing algorithms reveal significant long-term trends. The analysis shows an increase of ozone concentration within the middle stratosphere (below 31 km height) as well as in the troposphere over the past 24 yr. On the contrary, ongoing ozone depletion in the lower stratosphere became evident. The large scale vertical redistribution of atmospheric ozone in the troposphere and the lower stratosphere seems to be in agreement with model calculations and trend predictions that have their roots in changes of the chemical composition and the ozone photochemistry due to anthropogenically induced tracer gas concentrations.

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