homes bought in American suburbs with the intent of tearing them down and replacing them with much larger homes
what are tear downs?
refers to the built-up space of the central city and suburbs.
what is urban?
chronologically, the fifth urban hearth is found here
what is Mesoamerica?
restricted neighborhoods or subdivisions, where entry is limited to residents and their guests
what are gated communities?
the downtown heart of a central city marked by high land values, a concentration of business and commerce, and the clustering of tallest buildings
what is the CBD (central business district)?
a subsidiary urban area surrounding and connected to the central city
what is a suburb?
Christaller laid the groundwork for this, with goals to predict where central places would be located
what is the central place theory?
this urban hearth refers to the region of great cities located between the Tigris and Euphrates rivers
what is Mesopotamia?
has no formal CBD, old colonial parts and clusters, and residential areas similar to the Griffin Ford Model
what is the McGee Model?
urban geographers were divided on the relevance of this model, some saw these everywhere and others saw none at all
what are hexagonal hinterlands?
the idea that the population of a city or town will be inversely proportional to its rank in the hierarchy
what is the rank-size rule?
this produced what urban geographers and sociologists call white flight - movement of whites from the city to the outlying suburbs
what is blockbusting?
the urban elite of this hearth demonstrated their power by building enormous, elaborate structures
what is the Huang He and Wei?
has five zones that are all defined by each of their functions
what is the concentric zone model?
through _______, cities divide up the city and designate the kinds of development allowed in each zone
what are zoning laws?
the transformation of an area of a city into an area attractive to residents and tourists alike in terms of economic activity
what is commercialization?
these were relatively small in size and population and everyone living there was involved in agriculture
what are agricultural villages?
the might of the rulers of this hearth is reflected in the great pyramids, tombs, and statues they created
what is the Nile River Valley?
the very poorest parts of cities that in cases are not connected to regular city services and are controlled by gangs or drug lords
what is a disamenity sector?
in this, the remaining concentric zones are home to less-well-off residents, who compose the great majority of the urban population
what is the Griffin-Ford model?
the rehabilitation of deteriorated, often abandoned, housing of low-income inner-city residents
what is gentrification?
these function at the global scale, beyond the reach of the state borders, functioning as the service centers of the world economy.
what are world cities?
unable to decipher their writing, scholars are puzzled by Harappa and Mohenjo-Daro - the first cities of this urban hearth
what is the Indus River Valley?
this model recognizes that the CBD was losing its dominant position as the single nucleus of the urban area
what is the multiple nuclei model?
to counter this, a group of architects, urban planners, and developers proposed an urban design vision they call new urbanism
what is urban sprawl?