Evaluation of Air Pollution Trend Using GIS and RS Applications in South West of Iran |
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| Authors: | Mostafa Moradi Dashtpagerdi Seyed Javad Sadatinejad Rafat Zare Bidaki Ehsan Khorsandi |
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| Institution: | 1.Karoon Watershed Management Office (KWMO),Shahrekord Natural Resources Organization,Shahrekord,Iran;2.Faculty of Natural Resources,Tehran University,Tehran,Iran;3.Faculty of Natural Resources,Shahrekord University,Shahrekord,Iran;4.Faculty of Science,Hormozgan University,Bandar Abbas,Iran |
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| Abstract: | In this paper, remote sensing and GIS have been used to assess the status of NO2 at the south west of Iran. 221 data about concentration of NO2 was extracted from Ozone Monitoring Instrument. Ordinary kriging and inverse distance weighting interpolation methods was used to interpolate data. Results showed that ordinary kriging method using cross-validation have had less error. North east of the study area has the highest concentration of NO2 (329 molecule/cm2) and the concentration of NO2 decreases from north east to South west of the study area. On the other hand, data trend results showed that the data seems to exhibit a fairly strong trend in the east west direction and a weaker one in the north–south direction. |
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