Urban Geography. Where are cities located and why?

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Transcript of Urban Geography. Where are cities located and why?

Urban Geography

Where are cities located and why?

Although The U.S. and Europe have a higher percentage of urbandwellers, India and China both have higher numbers of urbandwellers.

Settlement Factors: Topography

• Orientation and shelter

Settlement Factors: Topography

• A river crossing

Settlement Factors:Topography

The floor of a river valley.

Settlement Factors:Topography

• Machu Pichu—symbolic significance

Site Factors for Settlements: Key resources

• Mining towns

Site Factors for Settlements:Key resources

Water and energy supply

Site Factors for SettlementsKey resources

The Fall Line—Important resource sites

Jackson, MS

Montgomery, AL

Atlanta GA

Columbia SC

Raleigh NC

Richmond VA

Washington D.C.

Baltimore MDPhiladelphia PA

Trenton NJ

Site Factors for Settlements:Key resources

• Outside of a river’s meander

Site Factors for Settlements:Key resources

At a desert oasis

Site Factors for Settlements:Trade Routes

• At a crossroads

Site Factors for Settlements:Trade Routes

Site Factors for Settlements:Defense

A hilltop city

Site Factors for Settlements:Defense

New Orleans—The “Crescent City”

Walter Christaller Location Theory

The nested hexagons show urban areas with their surrounding market area (hinterland). Hinterland is the surrounding area served by an urban center

Walter Christaller Location Theory

A hamlet provides some basic services to the people living there and those nearby.

Walter Christaller Location TheoryA village is likely to

offer several dozen services. There will be some specialization.

Walter Christaller Location TheoryA town is larger

than a village and has a higher level of specialization.

Walter Christaller Location TheoryA city has more

specialization and a larger hinterland than a town..

A ciy has suburbs while a town has outskirts

Walter Christaller Location Theory

An urban hierarchy is a ranking of settlements according to their size and functions.

Where do you see

Christaller’s Location

theory work?

How are cities organized?

Traditional models of urban structure:

How are cities organized?

The Concentric Zone Model reflects the walking-horsecar era--early 20th century.

How are cities organized?

The Sector Model reflects the influence of transportation corridors.

How are cities organized?

The Multiple Nuclei Model reflects the influence of the automobile on suburbanization.

Present-day United States metropolitan area.

The Galactic City