Analysis on the spatial accessibility of parks and green spaces and optimal site selection - Taking Weifang prefecture-level city as an example

Abstract

Based on the ArcGIS platform, we took the parks and green spaces of the improved potential model to analyze the spatial accessibility of local parks and green spaces in Weifang prefecture-level city via combining traffic and population distribution with the distribution of parks, and cuckoo search algorithm to optimize the site selection of park green space. According to the results of the accessibility analysis. The results show that: (1) the distribution of population and green spaces is not balanced. Parks are mainly distributed in the downtown, while they are fewer in the township. (2) The spatial accessibility of the park green space is significantly different between areas, and the southeastern and northwestern areas are higher than other parts. (3) We optimize the location of green spaces to achieve fairness in areas with low accessibility of parks and green spaces. The article intuitively reveals the different accessibility of parks and green spaces in various streets of Weifang prefecture-level city, effectively distinguishes their scarcity, and provides a scientific basis for the space allocation and optimization of park green spaces.