CPT-Medit.pptx - CENTRAL PLACE THEORY Geographical model...

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CENTRAL PLACE THEORY Geographical model that seeks to explain the amount , location and size of human settlements in an urban system
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INTRODUCTION producti on demand Services region
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1826 1929 1933 1954 Walter Christaller Johann Thünen Alfred Weber August Losch The Thünen, Weber, Alonso, and Christaller models are not the sole contributors to location theory, but they are its foundation. These theories have been expanded upon and refined by geographers, economists, and regional scientists HISTORY TIMELINE
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THEORY ORIGIN The theory was published in 1933 by a German geographer Walter Christaller who studied the settlement patterns in southern Germany The goal of the theory is to explain the spatial arrangement, size and number of the settlements in an area to explain the exchange of goods and services in the market area
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THEORY ASSUMPTION All areas have An isotropic surface (area with no variation in relief or climate) Rational Behavior - assumption that people minimize traveling distance to obtain a good or service Even distribution in population and distribution Similar purchasing power of all consumers and consumers will patronize nearest market Transportation costs equal in all directions and proportional to distance Perfect competition - no excess profits
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THEORY TERMS Central Place - settlement which provides services for the population living around it Law Order Services - simple basic services such as grocery “necessities” High Order Services - specialized services such as universities “luxuries” Sphere of influence - the area under the influence of the Central Place Break Point – the invisible boundary between markets of competing central places Hinterland - the area surrounding a service from which customers are attracted
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THEORY CONCEPTS The theory consists of two concepts 1. Threshold 2. Range of good or service thresh old range
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THEORY CONCEPTS threshold hinterla nd range
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LOW ORDER AND HIGH ORDER SERVICES Low order services have a low range and a low threshold what does this mean? less number of people required to support it smaller distance people are willing to travel to get it Having a high order service implies there are low order services around it, but not vice versa Order distance
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ARRANGEMENT We need a shape that: 1) fits one another.
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