Total ozone amount trend at St Petersburg as deduced from Nimbus-7 TOMS observations |
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| Authors: | K YA KONDRATYEV C A VAROTSOS A P CRACKNELL |
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| Affiliation: | 1. Scientific Research Centre of Ecological Safety, St Petersburg Centre of the Russian Academy of Science, Korpusnaya Street 18 , St Petersburg , 197042 , Russia;2. Department of Applied Physics, University of Athens, 33 Ippokratous Street , Athens , 10680 , Greece;3. Department of Applied Physics and Electronic &4. Mechanical Engineering, University of Dundee , Dundee,Scotland , Scotland , DOl 4HN , U.K. |
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| Abstract: | The observations of the Total Ozone Mapping Spectrometer (TOMS) flown on the Nimbus-7 satellite have been used in order to detect the monthly trend in total ozone concentration over St Petersburg (60°N, 30°E) during the period from November 1978 to January 1992. The trend analysis suggests that the total ozone depletion over the 13-year period shows strong variations from month to month reaching —13 per cent for December but with a slightly positive trend for September. |
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