Gravity Model, Central Place Theory, Urban Hierarchy & More[AP Human Geography Unit 6 Topic 4] (6.4) 

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Chapters:
0:00 Introduction
0:25 Rank Size Rule & Primate City Rule
1:43 Gravity Model
3:34 Central Place Theory
4:08 Central Place Theory & Range
4:37 Central Place Theory & Threshold
4:54 Central Place Theory Examples (Goods/Services)
7:27 Determining The Threshold
8:18 Central Place Theory & Settlements
10:43 Applying the Models
11:05 Practice Quiz
Skills in this video:
PSO-6.C
Identify the different urban
concepts such as hierarchy,
interdependence, relative
size, and spacing that
are useful for explaining
the distribution, size, and
interaction of cities.
PSO-6.C.1
Principles that are useful for explaining the
distribution and size of cities include rank-size
rule, the primate city, gravity, and Christaller’s
central place theory.
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