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Issue No:3, Vol.3 |
March - 2010 |
ISSN: 0974-5645 |
| RESEARCH ARTICLES |
Viewers & PDF |
| 26. Association between surface ozone and solar activity. R. Samuel Selvaraj, S. Tamil Selvi and S.P. Vimal Priya (2010) Indian J.Sci.Technol. Vol. 3, Issue 3, pp: 332-334. Domain site: http://www.indjst.org. |
 
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- Abstract
The possible relationship between surface ozone and smoothed sunspot numbers (SSN) has been studied. The
sunspot data were collected from Udaipur Solar Observatory for 1996-2004. Surface ozone has been measured at
Tranquebar (110N, 79.9 0E), a tropical rural coastal site on the east coast of southeast India, during the same period.
The measurements have shown that there exists a significant diurnal cycle/oscillation of average ozone with a
maximum concentrations in the afternoon and average minimum ozone concentration at sunrise. Ozone
measurements have also shown that the average higher concentrations [23 ± 9 ppbv] in May and lower concentration
(17±7 ppbv) in October at this site. Further, the increase in surface ozone in association with increase in sunspot
numbers is observed during May and October.
- Keywords: Smoothed sunspot numbers; surface ozone; significant diurnal cycle.
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