Explanation of Spatial Consequences of Extra urban Functions Density on Neighborhoods Environmental Quality (Case study: District 12 Tehran)

Document Type : Research Paper

Authors

1 Ph. D in Geography and Urban Planning, Kharazmi University, Tehran, Iran

2 Associate Professor of Geography and Urban Planning, Kharazmi University, Tehran, Iran

3 Professor of Geography and Urban Planning, Kharazmi University, Tehran, Iran

Abstract

Functional density, especially on an extra-urban scale, can cause a decline in the quality of neighborhood functions and the urban environment due to their different functional nature. In this regard, the present study aims to explain the spatial consequences of functional density on the quality of the neighborhood environment in District 12 of Tehran. The research method was cognitive-explanatory in terms of purpose and applied in terms of the research topic, and data collection was done statistically and documentarily. Spatial statistics (spatial pattern analysis tool, geographic distribution measurement tool, and spatial modeling and relationship analysis tool) were used for data analysis. The research variables included the independent variable (extra-urban functions) and the dependent variable (neighborhood-level urban environment quality). The findings of the study showed that the total concentration of extra-urban functions in Tehran was clustered and unevenly distributed in the city's regions. Also, the total functional density of extra-urban functions in the neighborhoods of District 12 of Tehran, except for the cultural-historical function, which was randomly distributed, was clustered and unevenly distributed. The results of the spatial modeling section using geographic weighted regression showed that the consequences of extra-urban functions on the social, economic, and physical dimensions of urban environmental quality have led to a decline in the environment and urban decay in most neighborhoods of District 12 of Tehran. Therefore, one of the important and fundamental steps to renew the structure of District 12 of Tehran and improve the quality of neighborhood environments and its urban center potential is to refine and improve the quality of the extra-urban functions system by replacing incompatible and troublesome functions with superior extra-urban functions in this area.

Keywords


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