Henry Carey Gravity model: interaction is proportional to the Gravity Model states that spatial interaction between multiplication of the two populations divided by the places (e.g. migration) is directly related to the Migration & Urban distance between them; this phenomenon is population size and inversely related to the distance distance decay (the effect of distance on cultural or spatial between them. interactions). Distance decay curve- Decreasing interaction as distance Proposed that the quantity of movement between two increases locations increases as their size increases and decreases with an increase in distance. Therefore the greater the size of a location, the greater the interaction. Gravity Model in relation to cities Interaction between urban centers can be calculated by size and distance Large cities have greater draw power Unit Notable Geographers Briefly explain their theory Importance of model and further notes Torsten Hagerstrand Space Time Prism possible places a person could travel in a certain time period 2: Everett Lee Unit Migration Migration Carl Sauer Cultural Landscape activity superimposes itself on Morphology of Landscape” – “The 1889-1975 the physical landscape each Cultural group leaves – imprints Origins and Dispersal” “Agricultural Culture (Domestication, vegetative and seed and their diffusion) Unit Notable Geographers Briefly explain theory Importance of model and further notes
Henry Carey Migration & Urban Gravity model: interaction is proportional to the multiplication of the two populations divided by the distance between them; this phenomenon is distance decay (the effect of distance on cultural or spatial interactions). Proposed that the quantity of movement between two locations increases as their size increases and decreases with an increase in distance. Therefore the greater the size of a location, the greater the interaction. Gravity Model in relation to cities Interaction between urban centers can be calculated by size and distance Large cities have greater draw power Gravity Model states that spatial interaction between places (e.g. migration) is directly related to the population size and inversely related to the distance between them. Distance decay curve- Decreasing interaction as distance increases Unit Notable Geographers Briefly explain their theory Importance of model and further notes Unit 2: Migration Torsten Hagerstrand Space Time Prism possible places a person could travel in a certain time period Everett Lee Migration Carl Sauer 1889-1975 Culture Cultural Landscape – activity superimposes itself on the physical landscape – each Cultural group leaves imprints “The Morphology of Landscape” “Agricultural Origins and Dispersal” (Domestication, vegetative and seed and their diffusion) Unit Notable Geographers Briefly explain theory Importance of model and further notes
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