Surface Ozone Measurements in Southernmost Tip of Peninsular India
Journal Title: Universal Journal of Environmental Research and Technology - Year 2013, Vol 3, Issue 2
Abstract
Surface Ozone pollution is one of the largely ignored problems of many countries of the world. It can have very toxic effects to biotic and abiotic factors. It is a potential oxidant and a radical which can react readily with other materials. Measurements of surface ozone concentration were carried out for the first time in Kanyakumari (8°4’33’’N and 77°32’53’’ E), one of the beautiful tourist spots in India, for a period of three years from March 2010 – February 2013.No air quality studies were done in the study area during the past, even though the place of study is of geographical importance. Surface ozone concentration varied between 11 ppb and 55 ppb. The daily average values lied between 20.17 ppb and 36.35 ppb. A clear diurnal cycle following the global pattern was observed with minimum values during early morning hours and maximum at afternoon hours. Summer season recorded the highest surface ozone concentration and north east monsoon with the lowest concentration. The seasonal average of diurnal amplitude of surface ozone concentration for the entire three years was found to lie between 23.50 ppb and 30.82 ppb. During the entire period of study, surface ozone was found to be positively correlated with temperature and negatively correlated with relative humidity .A neural network model was performed to forecast the peak hour ozone concentration. The improved model yielded a good correlation between the actual and predicted data points.
Authors and Affiliations
R. Krishna Sharma, T. Chithambara Thanu, K. Elampari
Keywords
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