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Towards Geographies of Consumption

This study explores energy consumption from transportation in metropolitan areas, analyzing commuting patterns, emissions, and efficiency measures to identify hotspots and future directions. Urban vs. suburban workplaces, racial disparities, and potential software development for air quality issues are discussed.

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Towards Geographies of Consumption

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  1. Towards Geographies of Consumption Measuring energy consumption fromtransportation in metropolitan areas. Rob Neff Geography and Environmental Systems UMBC neff@umbc.edu Presented at Baltimore Ecosystem StudyUMBC, October 18-19, 2006

  2. Representing the consumptive landscape Transportation and patterns of energy consumption Patterns of division at work and at home Conclusions Future directions Outline

  3. Representing the Consumptive Landscape • All-or-Nothing traffic assignment model • Origin-Destination data from the Census • Emissions from commuters who drove alone • Commuting patterns for all commuters • GHG emissions assigned to residences and workplaces • Hotspots: workplaces with above-average emissions • Results for each hotspot visualized as statistical surfaces • Work-sheds • Car-sheds • Emission-sheds

  4. Study Area

  5. Selected Totals

  6. Selected Efficiency Measures

  7. Center City Commuters Emissions Solo Drivers

  8. Center City Workplace Diversity

  9. Center City Transit & Earnings

  10. King of Prussia Commuters Emissions Solo Drivers

  11. King of Prussia Workplace Diversity

  12. King of Prussia Transit & Earnings

  13. NE Philadelphia Commuters Emissions Solo Drivers

  14. NE Philadelphia Workplace Diversity

  15. NE Philadelphia Transit & Earnings

  16. Emissions Cross Tabulations

  17. Efficiency Cross Tabulations

  18. Conclusions • Urban workplaces were more efficient, per commuter and per driver. • Suburban workplaces were less efficient • ~65% of all commuters • ~76% of all emissions • The pattern of energy consumption is centrifugal • Raw numbers increase away from the city • Efficiency decreases away from the city • Emissions increase away from hotspots • Areas of highest energy consumption also are areas of the greatest racial exclusion • Urban/Suburban dichotomy in both sets of patterns • Northeast Philadelphia as a counter example

  19. Future Directions • Comparative studies • Software development • Extension to air quality issues • Economic, cultural and social drivers of regional consumption patterns • Links to land use • Strengthening links to other scales and places

  20. Towards Geographies of Consumption Measuring energy consumption fromtransportation in metropolitan areas. Rob Neff Geography and Environmental Systems UMBC neff@umbc.edu Presented at Baltimore Ecosystem StudyUMBC, October 18-19, 2006

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