Power spectrum analysis of atmospheric ozone content over north India |
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Authors: | J Chattopadhyay |
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Institution: | (1) Department of Geophysics, Banaras Hindu University, Varanasi-5, India |
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Abstract: | Summary Atmospheric total ozone contents over three stations in north India have been studied. A power spectrum analysis has been made of daily values recoreded at these stations during the winter season. Three types of periodicities have been observed in the available records, namely, oscillations with a period of (a) 2.5–3.5 days, (b) 4.0–5.3 days and (c) 8.0–9.6 days. The first and third type of oscillations were also observed when the data were extended to cover an entire year, instead of the winter season alone. A possible mechanism for the occurrence of these periodicities is discussed. |
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