This study has explored the seasonal day time variations of the two most important trace gases involved in global warming i.e. , Methane (CH 4 ) and Ozone (O 3 ). Since solar activities also play a vital role in the formation of ozone, and hence solar flux data is also consulted in the present paper. Here we have discussed, day hours seasonal variation of O 3 , solar flux and CH 4 at different pressures for four different seasons i.e. , winter, summer, autumn and spring. We have evaluated the correlation between O 3 , solar flux and CH 4 over an American station “Barrow, Alaska” for a period of 18 years and con clude that in every season of the year, CH 4 shows linear increment with a go od significance level above 95%. The autumn season shows a good correlation between solar flux and O 3 with a maximum value of 0.53 in October and a minimum value of 0.34 in November month. In the winter season, CH 4 shows linear increment with a significance level above 95% at every pressure height. We also conclude that O 3 shows an increment trend in March and April months, but its negative trend is found in May month of the spring season.
KeywordsSurface OzoneMethaneSolar FluxClimate and Season
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