Provide a suitable model the spatial distribution of urban parks (Case Study: District 7 of Tehran)

Urban green space, including the main cities of the Users important that it is mentioned as Shsh Hay respiratory cities. Unfortunately, due to some factors, development of urban green space has always been faced with difficulties and shortcomings. In this study has been to assess the distribution and dispersion of urban green spaces and urban parks Region 7, priorities in terms of spatial distribution of the space environment on the 7th Tehran, studied and analyzed. And this study describes and analyzes have been carried out, and then use the techniques integrated geographic information system (GIS) and methods of multi criteria evaluation (MCE) and the hierarchical model (AHP), various factors affecting the optimal deployment urban parks in the study area were investigated. The results show that the spatial distribution of urban green space area 7 between the need for citizens to green spaces and green spaces and there is no logical relationship. In the second step, the classification of sites in the city to create urban parks in the whole variety of dark and bright colors as well. Maps and raster output range from very poor to very good sites show. So that areas with more functionality for the adoption and deployment of color darker My Grdnd place is Hay temporary housing. And areas with lighter colors because of the lack of appropriate criteria for the establishment of urban parks to establish such places a rate daily.