EMERGY /Urban Ecosystems 4/23/03 1 EMERGY and Urban Ecosystems Mark T. Brown Department of Environmental Engineering Sciences University of Florida 24.

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EMERGY /Urban Ecosystems 4/23/03 1 EMERGY and Urban Ecosystems Mark T. Brown Department of Environmental Engineering Sciences University of Florida 24 April, 2003

EMERGY /Urban Ecosystems 4/23/03 2 Emergy and Urban Systems

EMERGY /Urban Ecosystems 4/23/03 3

EMERGY /Urban Ecosystems 4/23/03 4 System Diagram of a city and its support region

EMERGY /Urban Ecosystems 4/23/03 5 Emergy Indices...

EMERGY /Urban Ecosystems 4/23/03 6 Environmental Support... Rural areas provide required renewable support Fossil Fuel reserves increase city size and demands on environmental systems

EMERGY /Urban Ecosystems 4/23/03 7 Hierarchy of Cities in the Florida Landscape

EMERGY /Urban Ecosystems 4/23/03 8 FIVE CLASSES OF CITIES… Class 1 - Central Place (art, information) Class 2 - Industrial Place (commodity production) Class 3 - Trans-shipment Place (distribution) Class 4 - Market Place (commodity exchange) Class 5 - Rural Settlement (renewable production)

EMERGY /Urban Ecosystems 4/23/03 9 Class 1… Jacksonville

EMERGY /Urban Ecosystems 4/23/03 10 Class 2… Orlando

EMERGY /Urban Ecosystems 4/23/03 11 Class 3… Gainesville Class 4… Palatka Class 5… Hawthorne

EMERGY /Urban Ecosystems 4/23/03 12 Characteristics of Urban Systems...

EMERGY /Urban Ecosystems 4/23/03 13 Characteristics of Land Uses

EMERGY /Urban Ecosystems 4/23/03 14 Miami Homestead Biscayne Bay Satellite Image of South Florida Ultimately, LDI can be taken directly from Satellite Imagery. Preliminary analysis has shown that the spatial variance of pixels is strongly correlated to LDI.

EMERGY /Urban Ecosystems 4/23/03 15

EMERGY /Urban Ecosystems 4/23/03 16

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