Knowra Spatial interaction Spatial interaction Spatial interaction is the movement or exchange of people, goods, information, or ideas between locations. Its patterns reflect the locations’ attributes and the costs of connecting them.
Gravity model : A model predicting interaction between places from their size and separation. It estimates flows by balancing the attraction of larger places against distance’s restraining effect.
Flow (geography) : The movement of people, goods, information, or other entities through space. Flows are the observable exchanges that make spatial interaction measurable.
Commuting : Repeated travel between a residence and a place of work or study. Daily commuting is a regular, measurable flow between places.
Spatial proximity : The closeness of places or objects in geographic space. Nearby places may have little exchange, while distant places can remain strongly connected.
Spatial interaction model : A quantitative framework for estimating flows between locations using origins, destinations, and interaction costs. It generalizes gravity-style reasoning to account for constraints such as limited origins or destinations.
Accessibility : The ease of reaching destinations from a location, given transport options and travel costs. Accessibility helps determine which places can interact readily.
Migration : The movement of people from one usual residence to another. Migration is a people-flow shaped by origin, destination, and intervening conditions.
Spatial diffusion : The spread of a phenomenon across locations over time. Diffusion describes propagation; spatial interaction more broadly includes exchanges between places.
Distance decay : The decline in interaction between places as their separation increases. It captures the friction that makes distant exchanges less likely or costly.
Spatial network : A network whose nodes and links represent places and connections across geographic space. Networks represent the routes and connections that carry interactions.
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