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SM ISO690:2012 OBIEKEZIE, T.. Sunshine activity and total column ozone variation in Lagos, Nigeria. In: Moldavian Journal of the Physical Sciences, 2009, nr. 2(8), pp. 169-172. ISSN 1810-648X. |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 2(8) / 2009 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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Pag. 169-172 | ||||||
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Total column ozone data obtained from Earth Probe TOMS (Total Ozone Mapping
Spectrometer) Version. 8 were analyzed for Lagos, Nigeria, a northern tropical station
(06.6° N, 03.33° E). It was found that total column ozone thickness has been decreasing at an
average rate of about 0.32 DU per year over a nine year period (1997-2005). For the nine
years, the minimal annual ozone values were found in the years 2003 and 2005 with a mean
value of about 265 DU. Linear regression analysis gives a significant negative correlation between total column ozone and sunshine hours.
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