When and why did people start living in cities?
This refers to the built-up space of the central city and suburbs.
What is urban?
This is an adjacent region where a city's influence is dominant.
What is a trade area?
This is the urban area that is not suburban.
What is the central city?
These divide up a city.
What are zoning laws?
The concentric zone model was formed at this time.
What are the 1920s?
A small village where most of the population is involved in agriculture.
What is an agricultural village?
This is a country's leading city.
What is a primate city?
In 2000 this percentage of the country's population lived in Urban areas.
What is 50%?
These are fenced in neighborhoods with controlled acsees.
What are gated communities?
The CBD isn't the dominant nucleus in this model, as several regions have a nuclei.
What is the multiple nuclei model?
These are the five hearths of urbanization.
What is Mesopotamia, the Nile River Valley, the Indus River Valley, the Huang He River (yellow) Valleys, and Mesoamerica?
This man came up with the Central Place Theory.
Who is Walter Christaller?
This is the study of city models and how they are divided into certain zones.
What is functional zonation?
This is the unrestricted growth of housing, commercial developments, etc.
What is the urban sprawl?
This model has 3 CBDs.
What is the Subsaharan African model.
Human communities have existed for this long.
What is over 100,000 years?
This is the shape that the Central Place Theory follows.
What is a hexagon?
This is the poorest area of a city.
What is the disamenity sector?
These cities tend to lack zoning laws.
What are semiperiphery cities?
This model put an answer to limitations of Burgess' model.
What is the sector model.
The second Urban Revolution was made possible by these two things.
What is the Second Agricultural Revolution and Industrialization?
The rank size rule works like this.
What is a cities population being inversely proportional to their rank in the hierarchy. (ex. the second largest city is 1/2 of the largest city's population.)
This is the process by which lands outside of an urban area become urbanized.
What is suburbanization?
This is the economy that is not taxed and not counted towards a country's gross national income.
What is the informal economy?
This model shows enormous differences between rich and poor.
What is the Griffin-Ford Model.