POPULATION DENSITY THRESHOLDS IN NEW TOWNS NEIGHBOURHOODS: THE CASE OF PARDIS NEW TOWN, TEHRAN

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AZIZI MOHAMMAD MEHDI; SADEGHIAN ARASH

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Journal: Honarhaye Ziba- Honarhaye Memari va SHahrsazi Year:2009 | Volume:- | Issue:39 Page(s): 93-104

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Title

POPULATION DENSITY THRESHOLDS IN NEW TOWNS NEIGHBOURHOODS: THE CASE OF PARDIS NEW TOWN, TEHRAN

Author(s)

AZIZI MOHAMMAD MEHDI | SADEGHIAN ARASH | Issue Writer Certificate

Keywords

DENSITY THRESHOLDQ3

CARRYING CAPACITYQ3

NEW TOWNQ3

PARDIS NEW TOWNQ2

REGRESSION MODELSQ3

NEIGHBOURHOODQ3

Abstract

One of the most important and effective urban development policies in recent years in Iran has been the establishment of NEW TOWNs, com menced in 1985. Until now, 18 NEW TOWNs have been planned, 12 towns constructed and some 250, 000 population have been settled in these NEW TOWNs. The number of designed and implemented. NEW TOWNs in Iran, compared to many other countries, is very high, setting many issues for discussion. Implementation of this policy involves vast economic, social, cultural, physical and environmental aspects. The conditions of NEW TOWNs in Iran in the last few years have made a challenge towards their activities. Among these, population threshold and CARRYING CAPACITY are two important issues in deter mining density in NEW TOWNs. A major part of this challenge arises out of inefficiencies in the process of their density determination. An essential factor in making decisions is a deep understanding about the relationship between threshold of urban density and the sustainable performance of the, owns. The aim of this research is explanation and evaluation of the methods for determination of population DENSITY THRESHOLDs in NEW TOWNs, as well as examination of the principles and criteria. The case study of the research is Pardis NEW TOWN, located in some 25 kilometers in east of Tehran. The research also aims to find and develop an integrated framework for assessment of urban CARRYING CAPACITY, which can determine threshold of development density in NEW TOWNs. The evaluation is based on statistical-para metrical method. This is undertaken in two phases.First, CARRYING CAPACITY factors are achieved from quantitative evaluation of coloration between urban population density and environmental factors. For this purpose, 12 Iranian NEW TOWNs have been con side red. Second, CARRYING CAPACITY assessment was done by developing a framework based on DENSITY THRESHOLD. Through a case study of determining DENSITY THRESHOLDs of a town's neighborhoods, the finding of this research demonstrated that the concept of CARRYING CAPACITY of neighborhoods can play a vital role in planning and managing urban development more effectively. The research results show that the population densities determined for the NEW TOWN are less than DENSITY THRESHOLDs for the whole town (180 persons per hectare). It means that there are considerable potentials for density increase. However, it is important to examine these DENSITY THRESHOLDs in the town and neighborhood scales. The research findings indicate that the determination of DENSITY THRESHOLDs using CARRYING CAPACITY is a suitable and useful method for density evaluation. Through the determination of suitable indicators and calculating the results of the indicators based on statistical-parametrical algorithms, we can determine population and construction densities. A limitation for this method is consideration of qualitative data. The mathematical approach for determination of per capita and urban densities cannot directly be a base for density determination. Instead, by using economic, social and environmental approaches, as well as using mathematical instruments. we can examine various urban density aspects. A lack of suitable methods for density determination is seen in the plans and policies used in Iranian NEW TOWNs.

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APA: Copy

AZIZI, MOHAMMAD MEHDI, & SADEGHIAN, ARASH. (2009). POPULATION DENSITY THRESHOLDS IN NEW TOWNS NEIGHBOURHOODS: THE CASE OF PARDIS NEW TOWN, TEHRAN. MEMARI-VA-SHAHRSAZI (HONAR-HA-YE-ZIBA ), -(39), 93-104. SID. https://sid.ir/paper/154321/en

Vancouver: Copy

AZIZI MOHAMMAD MEHDI, SADEGHIAN ARASH. POPULATION DENSITY THRESHOLDS IN NEW TOWNS NEIGHBOURHOODS: THE CASE OF PARDIS NEW TOWN, TEHRAN. MEMARI-VA-SHAHRSAZI (HONAR-HA-YE-ZIBA )[Internet]. 2009;-(39):93-104. Available from: https://sid.ir/paper/154321/en

IEEE: Copy

MOHAMMAD MEHDI AZIZI, and ARASH SADEGHIAN, “POPULATION DENSITY THRESHOLDS IN NEW TOWNS NEIGHBOURHOODS: THE CASE OF PARDIS NEW TOWN, TEHRAN,” MEMARI-VA-SHAHRSAZI (HONAR-HA-YE-ZIBA ), vol. -, no. 39, pp. 93–104, 2009, [Online]. Available: https://sid.ir/paper/154321/en

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