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Economic Geography Part II. Interaction Transportation The City, Services and Central Place Theory. Principles of Spatial Interaction. Transportation: movement of goods and people from one place to another Mode: marine, railway, highway Mode: walking, bicycle, bus, LRT, subway - PowerPoint PPT Presentation
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Economic GeographyPart II
InteractionTransportationThe City, Services and Central Place Theory
Principles of Spatial Interaction
Transportation: movement of goods and people from one place to another Mode: marine, railway, highway Mode: walking, bicycle, bus, LRT, subway
Communication: movement of information from one place to another Medium: voice line, fibre-optic
Spatial interaction = transportation + communication
DC-117 Autoparts, Toronto-Nashville
Trail drive
Rail-based meat distribution, reefer
3
Semitrailer cattleliner
Spatial Interaction Nodes: point locations
But a set of points may comprise a service area Origins of all people flying out of Lethbridge
County Airport Destinations Viewing or listening area for broadcasting
Routes or route segments joining nodes Flows or volume being moved
Why do things move?The Bases for Spatial Interaction Complementarity
Complementary resource endowments Form utility Place utility
Transferability Ease of transferance and ability to overcome
distance Distance decay and umland
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