Remote Sensing and GIS Applications in Environmental Sciences

Investigating health indicators of air quality and its relationship with changes in the green spaces land use (the case study of Tabriz metropolitan)

Document Type : Original Article

Authors

1 Associate Professor, Department of Geography and Urban Planning, Faculty of Planning and Environmental Sciences, University of Tabriz, tabriz, Iran

2 MSc,, Department of Geography and Urban Planning, Faculty of Planning and Environmental Sciences, Tabriz University, Tabriz, Iran

10.22034/rsgi.2024.60092.1060

Abstract

The purpose of the current research is to investigate the air quality index and its relationship with changes in the green space of Tabriz metropolis. Data, air pollution data from 1383 to 1396 and five main air pollutants (PM10), SO2, CO, O3, NO2) have been used, which include stations (Abrsan, Health, Railway, Prayer Square, Baghshamal, Hakim Nizami) ) is The research method, after averaging, the data were converted into standard data in Excel software, entered into the software (GIS) and using the interpolation method (IDW), the air quality map of unhealthy days was obtained. Finally, by using the index (NDVI) of green space images of 1969-83-96 in order to relate it to the state of air quality and the trend of decreasing or increasing green space in the mentioned time period, the final map of the number of days of unhealthy air quality was prepared. According to the obtained results, the state of health index of air quality in Tabriz metropolis has a direct relationship with changes in green space. The highest volume and density of pollution in the middle and center of the city is due to the large volume of traffic in these areas and daily commuting to these areas. In the southern and southwestern parts of the city, industrial areas, due to the high concentration of pollutants, air pollution is more in cold seasons. The most pollution is related to the pollutant (PM10) which is one of the most important pollutants polluting the air of Tabriz city.

Keywords

Main Subjects

هدف پژوهش حاضر بررسی شاخص کیفیت هوا و ارتباط آن با تغییرات فضای سبز کلانشهر تبریز می باشد. داده ها، داده های آلودگی هوا سال 1383 تا 1396 و از پنج آلاینده اصلی‌آلودگی‌‌هواpm10) ،so2،co،o3،no2) استفاده شده است که شامل ایستگاه های(آبرسان،بهداشت،راه آهن، میدان نماز، باغشمال، حکیم نظامی) می‌باشد. روش تحقیق، داده‌ها در نرم افزار اکسل پس از میانگین گیری به داده استاندارد تبدیل شده، در محیط (GIS) وارد و با استفاده از روش درون یابی( IDW) نقشه وضعیت کیفیت هوا روزهای ناسالم بدست آمده است. در نهایت با استفاده از شاخص ( NDVI) تصاویر فضای سبز سال‌های 96-83 - 69 جهت ارتباط آن با وضعیت کیفیت هوا و روند کاهش یا افزایش فضای سبز در بازه زمانی ذکر شده، نقشه نهایی تعداد روزهای ناسالم کیفیت هوا تهیه شد. با توجه به نتایج بدست آمده، وضعیت شاخص سلامت کیفیت هوای کلانشهر تبریز با تغییرات فضای سبز رابطه مستقیم دارد. بیشترین حجم و تراکم آلودگی در میانه و مرکز شهر به دلیل حجم زیاد ترافیک در این مناطق و رفت و آمد روزانه به این مناطق است. در قسمت جنوب و جنوب‌غربی شهر، مناطق صنعتی به دلیل حجم بالای غلظت آلاینده‌ها، آلودگی هوا بیشتر در فصول سرد است. 

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Remote Sensing and GIS Applications in Environmental Sciences
Volume 3, Issue 9 - Serial Number 8
January 2024
Pages 37-1
  • Receive Date: 15 January 2024
  • Revise Date: 06 March 2024
  • Accept Date: 17 March 2024