Chapter 3: Thinking Spatially Flashcards
Expansion diffusion
spreading of idea outward from hearth region
Contagious diffusion
spreads through person to person contact
Hierarchical diffusion
spreads through top global cities normally through airports
Example of hierarchical diffusion
Severe acute respiratory syndrome in bats from Guangdong province spread to 30 countries in 4 days
Relocation diffusion
cultural traits spread through people moving to new areas
Distance decay
the amount of interaction decreases over amount of distance
Friction of distance
cost/time/effort required to move something
Complementarity
match between supply in a place and demand in another place
Intervening opportunities
a new supplier that is closer than the old takes over
Awareness space
spaces that you are aware exist and are a part of your everyday lives
Forced migration
people forced to move
African slaves, Native Americans
Push factors migration
wars, political instability
poverty
environmental effects
Push factors migration
wars, political instability
poverty
environmental effects
Pull factors migration
safety, economic opportunities, recreation
Ravenstein’s laws of migration
go to large cities where people are present
any influx produces outflux
go in steps from rural to urban with young males more dominant
most migrants go short distances
