Volume 27, Issue 3 (2023)                   MJSP 2023, 27(3): 81-100 | Back to browse issues page

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saniei R, zangi aadi A, sharifi kia M. Explaining the effect of the human factors city on the spatial pattern and density of pollutants in Tehran. MJSP 2023; 27 (3) :81-100
URL: http://hsmsp.modares.ac.ir/article-21-69330-en.html
1- crisismanagement2008@gmail.com
2- dr_adelz , a.zangiabadi@geo.ui.ac.ir
3- sharifikia@modares.ac.ir
Abstract:   (637 Views)
Tehran is one of the most polluted cities in the world. The air pollution is caused by different factors such as centralization, increased traffic and incorrect location of the spatial pattern, consumption of fossil fuels, lack of rules and regulations for limiting industrial areas and nonobservance to the environmental guidelines. Sometimes, these factors are intensified because of the climatic factors. The aim of this study is to identify the relationships between the residential urban factors and Tehran's air pollution and to determine the extent of their importance. The intended techniques found through radar data showed that the physical pattern and the consequences of the urban planning system are considered some of the effective structures in increasing the air pollution in Tehran. Hence, the correlation coefficient between the height environment of urban buildings and constructions (the third dimension of the city) and Tehran's air pollution was calculated to be 0.86. In other words, in the case of proper planning or with the possibility of modifying the structure of the height environment in city up to 86%, it is possible to adjust and control the air pollution. The results were in line with the spatial pattern of PM2.5 particles and carbon monoxide regarding urban land use, industries, commercial centers, transportation, organizations and health centers and had the highest coefficient of determination with the spatial pattern of Tehran' air pollution. Considering the traffic, the index had the highest correlation with the spatial pattern of PM2.5 particles. Meanwhile, in the dangerous and unhealthy parts of the spatial pattern, a large number of nodal points with little distances formed traffic channels. Thus, by identifying these channels and managing urban traffic, the air pollution can be controlled to a larger extent. It should be mentioned that because of the impossibility of decreasing or eliminating driving forces in the creation or intensification of the air pollution, the residential environment of Tehran can be directed toward an appropriate environmental pattern by changing or maintaining the structures and functions through a change in the patterns of macro-urban management and the urban planning models consistent with the human functions and spatial pattern.
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Article Type: Original Research | Subject: ecological planning and sastaining devlopment
Received: 2023/05/22 | Accepted: 2023/08/16 | Published: 2023/09/1

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