Research on Accessibility and Impact Mechanism of Urban Park Green Space in Hefei City Based on Improved Ga2SFCA
The reasonable supply of urban park green space is important for urban ecology and people's well-being. Taking Hefei city as an example, an improved Ga2SFCA was proposed to explore the accessibility characteristics and causes of different types of park green spaces, and the GWR model was used to analyze the influence mechanism of accessibility. It was found that the accessibility calculated by the improved Ga2SFCA model were more realistic in terms of intensity and spatial distribution than the traditional model. The overall accessibility of the park green space was high in the south and low in the north,and the accessibility value decreased from the city center to the surrounding area. There were large differences in the accessibility of various types of parks:the spatial distribution of comprehensive parks and specialized parks was better than that of street gardens and community parks. The four factors, namely natural characteristics, location characteristics, socio-economy and built environment, led to significant spatial differences in park green space accessibility, and the factors of influence in descending order was commercial location, central location, transportation accessibility, living convenience, residential population.
urban park green spaceaccessibilityimproved Ga2SFCA modelinfluence mechanism
万方数据
维普
