theme 5 Flashcards
Distrabution of people living in rural vs. urban areas.
3 fourths of people today live in urban areas.
ub=rbanization accelerated in the 1800s,
the percentage of poor people taht live in cities has grown from 25-50% over the years
world cities
london NY tokyo
house inportant stock exchange
the tiers of world cities is characterized by the services they offer
rd.
buissness services
a city that is home to many corporate businesses and the center of stock exchanges
airports and busy harbors
consumer services
the retail businesses that cater to the wealthy population brought by the large number of corporate businesses
public services
world cities are often home of great political power
ambassadors and other political figures work there
mega cities
populations of over 10 million
many in LDCs house overpopulated apartment buildings and slums
richest people in world live next to poorest
transportation centers
roads railroads sea traffic and air transportation
special function cities
miniing manufacturing and recreation
large cities are multi functional
central places \
provide good services for surrounding areas
export activities
services based in one cities that go to another outside area
money flows into city
basic sector
the name for the combination of money being brought into the city’s economy
non basic service sector
the work for the residents of the city that is not exported out
professional offices, government, schools, trasit
base ratio
how geographers compare city’s functions
ratio between workers employed in basic sector and those employed in nonbasic sector.
multiplier effect
when new basic sector employment is comes with a large share of non basic workers
decreases ratio between sectors
total number of jobs being creared i=are in non basic sector
urban influence zones
as the distance away from the city increases, the influence on the countryside decreases
large city+ larger sphere of incluence outisde
larger city encompasses larger cities
settlement geography
patterns of settlement on earths surface
rank size rule
urban hierarchy summarized by rule
nth largest city with be the 1/n of the largest city
Example: second largest city will be the 1/2 the size of the first ranked city
describes pattern of urban area sizes
does not describe recent urbanization( LDCs)
primate city
rank size rule does not fit because the one city is so dominant no other city in area can compare
central place theory
rings
urban settlement as center of distribution of goods
complementary regions
non competeing market areas
monopolies
within central place theory
hierarchy of central place
hexagons
within each hexagon or around the edges, is a smaller hexagon that serves a smaller area
when one hexagon is inside another
smallcenters providing low order services than large centers
provides goods with low threshholds( milk brea) and large centers provide things like cars
Accessibility
functions to be fulfilled in places that are easily accessible to its inhabitants
high cost of accessible space
because if the requirement of accessibility within cities needs to be met, then the cost of accesible land goes up.
transportation
due to the requirement of accessibility, city development depends on the transportation lines
Central Buissness district
center of buissness in city
centric zone model
shows cities growing outward from a central areas through a series of rings
Centric zone model -zones
zone 1- the innermost zone is central buissness ditrict
zone 2- transition- light industry and housing for poor
zone 3- the zone contains working class homes older houses and small lots
zone four- larger more expensive homes inhabited by wealthier people who can afford to pay the transportation of the
zone 5- commuters zone smaller villages
sector model
the model resembles the concentric zone model
allies of sectors extend from the cbd
multi nuclei model
has multiple centers
