Abstract
Urban green spaces (UGS) significantly benefit public health outcomes. Providing equal access to UGS and ensuring a better match between UGS demand and supply are crucial for developing sustainable cities. This study employed the 3SFCA method and multi-source data to explore the spatial variation and equity in UGS accessibility in the City of Chicago by considering different types of UGS, travel modes, and travel time thresholds. The Gini index and spatial statistical methods are used to evaluate the inequity in and the mismatch between UGS accessibility and demand. The findings showed significant disparities in accessibility and high inequity among different types of UGS, travel modes, and travel time thresholds. The travel mode of driving and a larger travel time threshold led to more homogeneous distributions of accessibility and mild inequity but exacerbated the mismatch between UGS accessibility and demand. Census tracts in the eastern part of Chicago have consistently low accessibility with a high demand-low supply mismatch while the rest of the city had high accessibility to UGS with a low demand-high supply mismatch under certain circumstances. The findings offer insights into the spatial patterns of UGS accessibility and inequity and contribute to more effective planning policies to improve the quality of human life.
Published Version
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