Assessment of contribution of SO2, CO, and NO2 in different urban land use in Bushehr region, Iran (original) (raw)

Arabian Journal of Geosciences, 2021

Abstract

We developed geospatial models to forecast the concentration of air pollutants in different land uses over two seasons as cold (December, 2017) and warm (September, 2018) in Bushehr city. The samples were taken during three repetitions in three consecutive weeks encompassing SO2, CO, and NO2 focus specimens at 10 sites in four zones (traffic, industrial, residential, and recreational) over two seasons as cold (December, 2017) and warm (September, 2018). The SO2, CO and NO2 contributions were gathered by NIOSH guidelines samplers and dissected by analyzers models AF22M, CO12M, and AC32M, respectively. Multivariate analysis results show clusters in land use and sampling period in two main groups: (I) traffic and (II) industrial, residential, and recreational, in the warm and cold season. The result of our research shows that the traffic factor still contributes SO2, CO, and NO2 emissions in the warm season. The spatial variation of air quality index (AQI) of all sample sites was measured in the warm and cold seasons, and the value of this index was higher in traffic areas of the city (entrance and central area) than in another land.

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