Shiraz’s blue sky: the role of Maharlo Lake in decreasing the city air pollutions
محل انتشار: همایش بین المللی مدیریت محیط زیست شهری
سال انتشار: 1403
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 80
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شناسه ملی سند علمی:
ENVMS01_173
تاریخ نمایه سازی: 19 دی 1403
چکیده مقاله:
Air pollution, especially in Iran's metropolises, has become one of the most important problems facing urban Authorities. In the winter of ۲۰۲۳, the average air pollution index (AQI) has reached ۱۰۹ in Jeanery among the ۷ major cities of the country, which means that the air is unhealthy for sensitive groups. Meanwhile, Shiraz city has the lowest air pollution index despite having a larger population than some Iranian metropolises. Emphasizing the issue of wind, this article examines the role of Maharlo Lake in air purification in Shiraz. The positive effects of wind flow on reducing air pollution has been investigated in other related studies. Considering the results of previous studies, this research investigates the relationship between the water level of Maharlo lake in January and its effect on the wind flow in Shiraz station. January has been chosen because it is the coldest month of the year and has the highest concentration of pollution and temperature inversion. The results of the study show the positive relationship between the water level of the Maharlo seasonal lake and the wind at the Shiraz station in a ۷-year period. Especially the analysis of hourly wind and separation of wind blowing hours in nights and days provides important information about the effects of the lake on the local wind flow in Shiraz plain. A more detailed investigation of this matter, in addition to being able to find out the real causes of the air health of Shiraz compared to other metropolises, its results may be used to improve the air quality of other metropolises as well.
کلیدواژه ها:
نویسندگان
Jalal Kamran Nia
Urban planner in Shiraz Municipality, Shiraz, Iran