The Peripheral Model is a model in urban geography that describes how economic, political, and social conditions influence spatial patterns in urban areas where an inner city is surrounded by large suburban residential areas.
Picture an apple. The core or center represents the inner city while everything around it -the flesh- represents suburban areas. The skin enclosing everything can be seen as peripheral or edge cities.
Urban Sprawl: This refers to uncontrolled expansion of urban areas. It’s like when you pour water on flat ground; it spreads out uncontrollably in all directions.
Central Business District (CBD): This is typically located at the heart of a city where commercial businesses are concentrated – think about seeds at the center of an apple.
Suburbanization: This is the process of population movement from urban areas to suburbs. It's like people moving from the crowded center of a party to the quieter edges.
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