Metabolism of Urban Location: Travel Time and the Morphology of Cities
Co-authored by William W. Braham
![Map of Philadelphia with colored zones](/sites/default/files/styles/image_16_9/public/images/frsc-02-00004-g011.jpg?h=5ffa737e&itok=WUTNjAsd)
Locational value in Center City Philadelphia, UME/EAB, ratio of urban emergy to assets and inputs, showing that the pattern of investment and decay around the city center.