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Monitoring of SO2 column concentration over Iran using satellite-based observations during 2005-2016 | ||
| Pollution | ||
| مقاله 3، دوره 5، شماره 2، تیر 2019، صفحه 257-268 اصل مقاله (1.25 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/poll.2018.260252.463 | ||
| نویسندگان | ||
| H. Salmabadi؛ M. Saeedi* | ||
| Environmental Research Laboratory, School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran 16846, Iran | ||
| چکیده | ||
| For the first time, sulfur dioxide concentration was monitored between 2005 and 2016 over Iran which is among the countries with a high SO2 emission rate in the world. To that end, SO2 column concentration at Planetary Boundary Layer (PBL) from Ozone Monitoring Instrument (OMI) was analyzed. OMI is a sensor onboard the Aura satellite which can measure daily SO2 concentration on the global scale. From OMI maps, 19 notable SO2 hotspots were detected over Iran. The results indicate that the most elevated level of SO2 among these 19 hotspots belong to Khark Island and Asaluye in Bushehr province, southwest of Iran. Annual trend analysis shows that SO2 concentration has been slightly augmented during 2005-2016 over this country. Distribution analysis of SO2 concentration over Iran showed that the most polluted provinces are Bushehr, Khuzestan and Ilam lied in the southwest of Iran. On the contrary, the lowest level of SO2 has observed over northwest of Iran at West and East Azerbaijan and Ardabil provinces. The correlation coefficient between total energy production in Iran and SO2 concentration from 2005 to 2016 is as high as ~0.7. Hence, it can be derived that energy production, most notably production of crude oil, plays a pivotal role in SO2 concentration over Iran. | ||
| کلیدواژهها | ||
| Sulfur Dioxide؛ Iran؛ Aura؛ OMI؛ Trace Gases؛ GIS | ||
| مراجع | ||
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