Geography Reference
In-Depth Information
0
25
50 km
Change in density
inh./km 2
Standard deviation Ellipse
of population 1970
- 7,000 - - 500
- 500 - - 50
- 50 - 0
0 - 50
50 - 100
100 - 300
300 - 1,000
1,000 - 1,390
Standard deviation Ellipse
of population 2000
County
Methodology: Map created by Kernel density smoothing of
the Block Group's Population. Quartic Function in a
bandwidth of the 30 nearest neighbours.
Calculated difference in density 1970 - 2000
Source: US Census
Designed and made by JM Zaninetti, University of Orleans, CEDETE Institute
Figure 8.15. Detroit, urban sprawl, 1970-2000
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