Supply-demand analysis of park services for different age groups in Community life Circle: a central district in Shanghai as a case

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Parks prominently contribute to the healthy lives of urban residents at all ages in their community life circle (CLC), however, it is rarely discussed what distinction in different age groups' personas exist and furthermore whether the supply and the demand of park services for them are matched. This results in socio-spatial injustice of urban parks and inefficiency of park services in terms of healthy city planning, design and governance. propose an enhanced method that takes both sides of supply and demand into account to reflect the authentic budget of park services in the CLC. At the same time, age plays a weighting factor in the evaluation progress so that the outcome could be more adaptive to specific groups of residents and thus support a targeted decision making in constructing CLC. A central district in Shanghai was taken as a case and the result suggests that in 177 out of 304 community units of this area, the elder and children's demand for park services could be basically or even better, while the young face a better situation. The service budgets also depict different spatial agglomeration. Some improvement strategies are thus proposed to assure a better healthy-oriented built environment.
park services, demand-supply analysis, community life circle, two-step floating catchment area