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Authors: Chineke, T. C.*
Rizi, V.*
Masci, F.*
Di Carlo, P.*
Iarlori, M.*
Title: 1979-1999 satellite total ozone column measurements over West Africa
Issue Date: Jun-2000
Series/Report no.: 43/3
Keywords: ozone
Abstract: Total Ozone Mapping Spectrometer (TOMS) instruments have been flown on NASA/GSFC satellites for over 20 years. They provide near real-time ozone data for Atmospheric Science Research. As part of preliminary efforts aimed to develop a Lidar station in Nigeria for monitoring the atmospheric ozone and aerosol levels, the monthly mean TOMS total column ozone measurements between 1979 to 1999 have been analysed. The trends of the total column ozone showed a spatial and temporal variation with signs of the Quasi Biennial Oscillation (QBO) during the 20-year study period. The values of the TOMS total ozone column, over Nigeria (4-14°N) is within the range of 230-280 Dobson Units, this is consistent with total ozone column data, measured since April 1993 with a Dobson Spectrophotometer at Lagos (3°21¢E, 6°33¢N), Nigeria.
Appears in Collections:01.01.99. General or miscellaneous
Annals of Geophysics

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