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Urban Realms Model
Transcript of Urban Realms Model
What Is It?
The Urban Realms Model "shows the spatial components of a modern metropolis". Each realm is separate and is used for its own purpose, but all the realms are linked together to form one large city. Each realm is its own smaller city, but form one large metropolis when linked together. The cities modeled by this are automobile-dependent, meaning that they can be as large as necessary. They can be large because transportation is not an issue.
What Does It Include?
The model includes...
A central business district, which is the center of the city and also interacts with the surrounding realms in order to create a "fluid transition" between them.
A central city, which includes the "new downtown" and central business district. The new downtown is most likely towards the edge of the central city, and it mimics the the central business district due to urbanization.
A suburban downtown, which is the center of the suburbs of that particular city. This gives the suburban residents a downtown to go to if they aren't willing to travel to the central city.
Edge cities, which are included in most of the outer realms.
Often times, there will be an airport shown in this model.
If the model fails, then the city displays a large amount of urban sprawl. Urban sprawl is the uncontrolled expansion of urban areas. Urban areas will expand into previously rural areas.
This has happened in Phoenix, Arizona where the model failed.
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If the city is successful,
It can accommodate a large and growing population easily due to its automobile dependence.
Each realm has its own economic strength, so overall the metropolis can be an economic powerhouse and can become self-sufficient.
This model helps make use of all of the areas of the city
Urban Realms Model
By Emily Kron, Sarah Hajnos, and Ethan DellaMaestra
James E. Vance created the Urban Realms Model in the 1960's. Vance created the model in the San Francisco Bay area.
The nature of these realms are looked at using 5 criteria:
The topological terrain of an area (mountains and water barriers)
The size of the metropolis as a whole
The amount and strength of economic activity in each realm
The internal accessibility of each realm in regards of it's major economic function
The inter-accessibility across the realms
Some examples of cities that fit the Urban Realms Model are:
San Francisco, California
Raleigh/Cary, North Carolina
How Can It Become Self-Sufficient?
The model can become self-sufficient if:
The metropolis as a whole is large
There is a large amount of decentralized economic activity in the region
The suburban area is isolated by topography barriers
There is good internal accessibility for daily commercial and business travel (especially to the airport)
Vocabulary Associated With The Model
central business district (CBD): the commercial and business center of a city
edge city: a relatively large urban area situated on the outskirts of a city
metropolis: a very large and densely populated industrial and commercial city
urban sprawl: the uncontrolled expansion of urban areas
urbanization: a word for "becoming more like a city"