Accessibility Analysis of Urban Parks Based on GIS

Accessibility of urban parks is an important indicator in urban green space system. Urban construction is increasingly focusing on system services of green space. Based on ArcGIS, this article calculates the accessibility of the study area using the buffer analysis and cost-weighted distance methods, analyzes the service area and its population, and concludes that the result of buffer analysis method is simple and intuitive but it differs more from the real situation. The result of the cost-weighted distance method is more objective because it analyzes the accessibility using the actual cost. Based on the results, this study discusses the distribution pattern of urban parks in Changzhou city.