As human populations become concentrated in larger,more intensely urbanized areas connected through glob-alization,the relationships of cities to their surrounding landscapes are open to social,ecological,and economic...As human populations become concentrated in larger,more intensely urbanized areas connected through glob-alization,the relationships of cities to their surrounding landscapes are open to social,ecological,and economic reinterpretation.In particular,the value of access to nature in the form of nearby undeveloped wildland to ur-ban populations implies a relatively novel type of synergistic city-region relationship.We develop a robust and replicable metric-the urban-wildland juxtaposition(UWJ)-that quantifies critical dimensions of the juxtapo-sition of the urbanicity of cities with the quantity of nearby unbuilt wildlands,based on the spatial proximity and relative intensities of these two contrasting system types.Using a distance-decay gravity model,this analysis provides documentation on the calculation of the UWJ and its component metrics,urbanicity(U)and wildland(W)and then presents U,W,and UWJ metrics for 36 urbanized areas representing all regions of the U.S.,pro-viding the basis for comparisons and analysis.We explore the potential of the metric by testing correlations with“creative class”employment and public health measures.The UWJ has implications and potential applications for demographic,economic,social,and quality-of-life trends across the U.S.and internationally.展开更多
文摘As human populations become concentrated in larger,more intensely urbanized areas connected through glob-alization,the relationships of cities to their surrounding landscapes are open to social,ecological,and economic reinterpretation.In particular,the value of access to nature in the form of nearby undeveloped wildland to ur-ban populations implies a relatively novel type of synergistic city-region relationship.We develop a robust and replicable metric-the urban-wildland juxtaposition(UWJ)-that quantifies critical dimensions of the juxtapo-sition of the urbanicity of cities with the quantity of nearby unbuilt wildlands,based on the spatial proximity and relative intensities of these two contrasting system types.Using a distance-decay gravity model,this analysis provides documentation on the calculation of the UWJ and its component metrics,urbanicity(U)and wildland(W)and then presents U,W,and UWJ metrics for 36 urbanized areas representing all regions of the U.S.,pro-viding the basis for comparisons and analysis.We explore the potential of the metric by testing correlations with“creative class”employment and public health measures.The UWJ has implications and potential applications for demographic,economic,social,and quality-of-life trends across the U.S.and internationally.
