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Title of Journal: J Earth Syst Sci

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Abbravation: Journal of Earth System Science

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Springer India

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DOI

10.1007/bf00355313

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0973-774X

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Effect of some climatic parameters on tropospheric

Authors: P K Jana S Bhattacharyya A Banerjee
Publish Date: 2014/10/25
Volume: 123, Issue: 7, Pages: 1653-1669
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Abstract

The paper presents the nature of variations of tropospheric and total ozone column retrieved from the Convective Cloud Differential CCD technique Ozone Monitoring Instrument OMI and Total Ozone Mapping Spectrometer TOMS data National Aeronautics and Space Administrations NASA USA respectively surface temperature relative humidity total rainfall ozone precursors nonmethane hydrocarbon carbon monoxide nitrogen dioxide and sulphur dioxide that are collected from India Meteorological Department IMD Alipore Kolkata solar insolation obtained from Solar Geophysical Data Book and ElNiño index collected from National Climatic Data Center US Department of Commerce National Oceanic and Atmospheric Administration USA The effect of these climatic parameters and ozone precursors on ozone variations is critically analyzed and explained on the basis of linear regression and correlation It has been observed that the maximum minimum and mean temperature relative humidity solar insolation tropospheric and total ozone column TOC showed slight increasing tendencies from October 2004 to December 2011 while total rainfall and ElNiño index showed little decreasing tendencies for the same period Amongst selected climatic parameters and ozone precursors the solar insolation and the average temperature had a significant influence on both the tropospheric ozone and total ozone column formation The solar insolation had contributed more in tropospheric ozone than in total ozone column while ElNiño index had played a more significant role in total ozone column build up than in tropospheric ozone Negative correlation was observed between almost all ozone precursors with the tropospheric and total ozone The tropospheric ozone and total ozone column were also significantly correlated The level of significance and contribution of different climatic parameters are determined from correlation technique and Multiple Linear Regression MLR method The related chemical kinetics for ozone production processes has been critically described

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