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Megacities

City w/ population over 10M people

Mega city examples

Paris, Bangkok, Moscow, Rio de Janerio

Meta cities

City with population over 20M

Meta cities example

Japan, Delhi, Shanghai, Mexico city

Surburbanization

process in which people move from the city to outskirts/suburbs

Range of a service

MAX DISTANCE people will travel for a service

Ecumene

portion of earth inhabited by humans

Metropolitan Service Area

Area in county above 50k ppl with nearby counties also being highly dense

Micropolitan service area (uSAS)

areas in county and around county with 10k-50k

Primate City

FAT #1 city with large political/cultural/economical influence and huge population

Concentric zone

made in 1920, city grows outward in rings

Hoyt’s Sector Model

made in 1930’s, city grows from CBD in wedges.

Multiple Nuclei Model

Made in 1945, where it grows from other services besides CBD (port, decentralized business, university, etc) true for south asian countries

Galactic Model

Made in 1960s, CBD surrounded/flooded by suburbs, held together by a ring/belt way. It’s placement is akin to a solar system.
Typically dominated by cars

Centralized Business District

Downtown AKA hub of business
1. Close to OG area 2. By water 3. High compactness High Business