Spatial Analysis of Changes of Population Density Pattern under Renewal Actions in Tehran (1996-2011)
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Keywords: Spatial Analysis, Population Density, Residential Pattern, Renewal, the Great Tehran.,
Abstract :
This paper contains a comparative study of neighbourhood transformation taking place in different administrative parts of Tehran city in Iran. The way of occupation of different areas of the city show it’s certain economic, social and cultural identity and presents different landscapes in city. This paper tried to answer this question that how is population density during 1996, 2006 and 2011 in Tehran. This tried to recognize the spatial pattern for population density using ArcGIS, Geoda and techniques of spatial-statistical analysis especially spatial autocorrelation in better way by spatial-temporal investigation. Spatial autocorrelation measures the correlation of a variable with itself through space. The results show that during the three periods of 1996, 2006 & 2011 pattern of population distribution in Tehran has been clustered and has changed during these three periods. Although the intensity and concentration of High-High and Low-Low clusters is reduced however, the more high-density clusters have been formed in the city. Indifferent (Residual) zones have emerged during these periods in places where the High-High zones have formed, this means that New boundaries will change to form high-high clusters.
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