GEO 151 Lecture Notes - Lecture 5: Analytic Continuation, Voronoi Diagram, Arnold Tongue
20 Dec 2017
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Document Summary
Green map is percent high density canopy cover whereas the circles are average family income. Proportional circle map is a summer weather condition. Noise barriers: high income neighbourhoods got the noise barriers built first. Intended size: 4,000 now they"re aiming for 5,000 so they"re falling behind in subdividing the census tracts. Hence, line of indifference: thiessen polygon technique. Gravity concept: even though you"re closer to me, the competitor is more attractive so you"re willing to drive further to get there, don"t make the mistake: the line is not pulled. Converse model: moving the line closer to the smaller centre because people are attracted to the bigger centre (b>a) 3 meanings of the word model: noun to be a model (what you do for a living, a perfect/ideal version, verb to demonstrate. A model is an idealised representation of the real world in order to demonstrate some of its properties. We can apply all three meanings of model in geography.
