ANALYZING AND MODELLING URBAN GROWTH PATTERN IN PIRANHA CITY(1984-2013)

The purpose of this research analyzed role of criteria it in the physical development of the isInstability piranshahr and environmental impact on the periphery areas and the formation of informal settlements in urban marginal areas.In this study, the  spatio-temporal patterns  and  processes  of urban growth  of  piranshahr  were investigated  from 1984  to 2013 by using satellite remote sensing images,holder, spatial metrics and logistic regression modelling..his.Therefore, in this study has been evaluated Due to importance of the issue sustainable development in the surrounding areas of the city, and that the city managers assessed Results of their activities in rural areas and urban sphere of influence to Apply the futures activities Piranshahr physical expansion of the city according to the principles and standards of urban growth. Finally, the findings showed although that village Shin Abad has joined to city. And now it will be one of the regions But the Aspral growth did not have The Expand city has been mainly Consistent with population growth caused by successive migrations during the last decades but many informal settlements have formed On the fringe connection between the two cities, villages