Desirability study of green space in Yazd city using multi-criteria decision making model
محورهای موضوعی : Environment
Mohammadreza Zareh Zardeini
1
(
M.Sc. Student, Department of Natural Resources, Meybod Branch, Islamic Azad University, Meybod, Iran
)
Mohammad Hassanzadeh Nafooti
2
(
Assistant Professor, Department of Natural Resources, Meybod Branch, Islamic Azad University, Meybod, Iran
)
کلید واژه: Analytical Hierarchy Process (AHP), geographical information system, Yazd city, Urban Park and Green Space,
چکیده مقاله :
Background and objective: One of the most important tasks of urban managers is to determine suitable places for the construction of urban service uses, among which green spaces and parks have a special role due to their impact on the health and well-being of citizens and their correct locating guarantees their optimal efficiency. The purpose of this study was to analyze the green space and parks of Yazd city and determine a suitable place for their construction.Materials and methods: First, the spatial distribution of existing parks and green spaces were examined, and the initial results indicated that the parks were not properly distributed. Then, to identify suitable areas for the construction of parks based on the opinions of experts and similar research, effective criteria and sub-criteria were determined and their importance to each other was obtained from experts through a questionnaire and their relative value was calculated using the AHP method. Then the map of criteria and sub-criteria was collected and GIS-processed and their relative importance were assigned to the relevant raster layers using GIS overlap capability and fuzzy logic, the layers were combined and constraint areas for park construction were removed from the study with the help of Boolean logic.Results and conclusion:The map of the final area capability was prepared in five categories for the construction of a park and green space in which the value of the pixels indicated their suitability. Finally, Aharestan and Mahmoudabad areas were introduced as a priority for the construction of parks and urban green spaces due to population density, access network, inaccessibility to existing parks, and avoidance of incompatible uses.
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