Variability of surface ozone with cloud coverage over Kolkata, India
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Abstract
Critical analysis of experimental surface ozone data and cloud coverage is reported over Kolkata during the period January 2011 to December 2011. Significant relationship between these two parameters is observed. Analysis shows that the trend of surface ozone concentration and cloud coverage follow opposite tendency. Some exceptional observations are also reported. Apart from this, seasonal variation of surface ozone with columnar ozone concentration, NO2 and temperature is also examined in relation with cloud cover to obtain a possible explanation of this type of variation.
Keywords
Surface ozone cloud coverage NO2 OMINotes
Acknowledgements
The authors sincerely thank the ISRO-AT-CTM programme for funding the project and CSIR for funding the Research Fellowship of Debreka Ghosh. They are also grateful to the Department of Instrumentation and Electronics Engineering, Jadavpur University, for providing a laboratory to set up the necessary instruments to carry out the project. The authors greatfully acknowledge the NOAA Air Resources Laboratory (ARL) for providing the meteorological data used in this publication.
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