Contextual Approaches in Food Access Measurement
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This study presents a set of geospatial methods to assessing food access that is sensitive to varying contexts across urban environments. This new methodology employs 1) a variable distance threshold for physical access, 2) transportation accessibility measurement for resource-based access, and 3) segmented analysis of food destination types. It is applied to the City of Atlanta, showing that good food access is driven primarily by large grocery retailers, but small scale food destinations contribute to food security in the neighborhoods experiencing the lowest levels of food access. This new approach advances the means for planning practitioners to accurately assess complex food landscape characteristics to better target food systems planning.
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