APHUG Unit 6 vocab

Rank-size rule

the rank of a cities population within a country will be approximately half the size of the biggest city (2nd city)

Central place theory

Walter Christaller proposed this idea which explains the distribution of cities across a region

Range

the distance people will travel to obtain specific goods or services

Threshold

the size of a population necessary for any particular service to exist and remain profitable

Megacity

have a population with more than 10 million people

Burgess Concentric Zone Model

describes a city in a series of rings that surrounds the CBD

Hoyt’s model

described how different types of land use and housing were all located near the CBD in early cities history.

Multiple nuclei model

described that the functional zonation occured around multiple centers or nodes or CBD

Favelas

are neighborhoods marked by extreme poverty, homelessness, and lawlessness in latin america

Squatter settlements

periphery cities with densely populated areas lacking sufficient public services for water, electricity, and sewage.

Edge cities

nodes of economic activity that have developed in the periphery of large cities

Zoning Ordinance

regulations that define how property in specific locations can be used

Gated communities

the building of walled or fenced neighborhoods with limited access and entry points

Brownfields

consists of dilapidated buildings and polluted or contaminated soils

Urban redlining

the process by which banks refuse loans to people who might want to purchase and improve properties in certain urban areas

Gentrification

the process of converting an urban inner city neighborhoods from mostly low income, renter occupied area to prodmetially wealthier owned occupied area of the city

Food deserts 

urban areas that lack food stores

Urban sprawl

the rapid development outward from inner city

Greenbelts

reserve a portion of land for farms parks forest and other such things

New Urbanism

seeks to encourage local community development and sustainable growth in an urban area

Galactic city 

an original CBD became surrounded by a system of smaller nodes that mimicked its functions, as the suburbs grew they took some of the CBD functions, then became edge cities

Primate Cities

if the largest city in an urban system is more than twice as large as the next largest it is considered this.

Quantitative data

is information that can be counted, measured, or sequenced by numerical value

Qualitative data

is primarily based on surveys, field studies, photos, videos, and interviews from people who provide personal perceptions and meaningful descriptions