Title: Evaluation of air pollution trends in Istanbul

Authors: Atilla Akkoyunlu, Ferruh Erturk

Addresses: Bhosphorus University, Faculty of Engineering, Bebek 80820, Istanbul, Turkey. ' Yildiz Technical University, Dept. of Environmental Engineering, Besiktas 80750, Istanbul, Turkey ' '

Abstract: Previously, SO2 = SO2 and PM10 (particulate matter less than 10 Bm in size) concentration distributions have been investigated in order to assess air pollution in Istanbul during the winter season (November–March) in which the concentration of these pollutants had reached formidably high levels due to the consumption of low-quality fuels (mainly coal) for residential heating. In this study, the effect of the increased share of natural gas and high-quality coal consumption in residential areas on air pollution levels was investigated. Modelling employing the method of kriging by spherical interpolation was used to obtain the concentration distribution of these pollutants, and spatial distributions of concentrations were generated. The pollution map obtained by this method indicated that increased usage of natural gas and high-quality coal in residential areas significantly improved air quality.

Keywords: air quality standards; kriging of air pollution; PM10; SO2; urban air pollution.

DOI: 10.1504/IJEP.2002.003735

International Journal of Environment and Pollution, 2002 Vol.18 No.4, pp.388 - 398

Published online: 22 Dec 2003 *

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