Assessing Spatial Distribution of Tabriz Parks by GIS (Compared Network Analysis and Buffering)

Today the concept of cites is unimaginable without different green spaces. In cites and specially big and industrial cites green spaces have differ functions. So green space has caused to improve cities environments in one hand and it has been provided appropriate situations for spending free times in other hand. The importance of urban green spaces can not be ignored in cites sustainability، physical and natural effects on urban systems and different ecological، economical and social outputs. By this approach green space can be defined as external place by significant vegetation and semi natural regions. Tabriz urban parks and parks under construction involve 1174 hectare. This figure is significant compared to other cites in Iran. Although this figure seems appropriate but most of the parks under construction are located outside of urban areas. There is no similar access to these parks so the chance to visit is reduced. In this article the manner of aces to urban parks has been analyzed by network analysis method in GIS and the results have been compared by Buffering analysis method in GIS under Spatial Analysis.