UVB radiation changes in Berlin between 1967 and 1990 following alterations in the ozone layering

Details UVB radiation changes in Berlin between 1967 and 1990 following alterations in the ozone layering UVB radiation changes in Berlin between 1967 and 1990 following alterations in the ozone layering

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jatp...56..363k&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 56, no. 3, p. 363-367

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Annual Variations, Atmospheric Composition, Atmospheric Physics, Atmospheric Stratification, Meteorology, Ozone, Radiance, Solar Activity Effects, Stratosphere, Sunspot Cycle, Sunspots, Troposphere, Ultraviolet Radiation, Abundance, Atmospheric Sounding, Concentration (Composition), Germany, Graphs (Charts), Meteorological Balloons

Scientific paper

Long-term measurements covering the past 24 yr in the vicinity of the city of Berlin have shown that ozone has increased in the troposphere and in the middle stratosphere and has decreased in the lower stratosphere. The total ozone column amount, however, has remained constant. Possible changes of the UV irradiance (280 nm equal to or less than lambda equal to or less than 320 nm (UVB)), due to this observed vertical ozone redistribution, have been calculated. The analysis reveals an UVB irradiance increase at those times of each year where maximum ozone concentrations have occurred as well as during summer times. On the contrary, UVB has remained unchanged whenever ozone concentrations were minimal. In any case, however, the UVB irradiance oscillates with the sunspot cycle of approx. 11 yr period with an amplitude approx. less than 1%.

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