Boffi, Colleoni & Palvarini - input2012
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A GIS methodology for defining the
Metropolitan Areas
Mario Boffi, Matteo Colleoni, Pietro Palvarini
Università di Milano Bicocca
Dipartimento di Sociologia e Ricerca Sociale
Metropolitan Areas
The Italian Case Study
Definition of the Metropolitan Areas
• Proposal based on the spatial distribution of some
metropolitan functions
• Use of GIS
• Scale: Census tracts data (380.000+)
Statistical techniquesStatistical techniques
• Density analysis (Kernel model)
• Factor analysis
Data
• Population Census 2001 (residents & commuters)
• Economic Census 2001 (employees)
Metropolitan functions and indicators
Class Metropolitan function Indicator
Residence 1. Dwelling Population
Employment
2. Manufacturing activities Employees
3. Finance and insurance activities Employees
4. Real estate activities Employees
5. Information and communication Employees
6. Professional, scientific and technical activities Employees
7. Commerce Employees
Commercial and
leisure services
8. Accommodation and catering Employees
9. Associationism Employees
10. Recreational, cultural and sports activities Employees
Services of
collective
interest
11. Health Employees
12. Secondary education Employees
13. University education Employees
14. Public administration Employees
15. Social assistance Employees
16. Transport Employees
Flows 17. Mobility of persons Journeys
Metropolitan
Italy
Metro-Area of
Milan
Metro-Area of
Veneto
Metro-Area of
Turin
Metro-Area of
Bologna
Metro-Area of
Florence
Metro-Area of
Rome
Metro-Area of
Naples
Metro-Area of
Bari
Area (Km2)
8.054
5.820
Metro areas
9%
Non-metro areas
91%
2.9622.694 2.608
1.908
1.284933
Milan Veneto Bologna Florence Naples Rome Turin Bari
Indicator 1 - Density of population(residents/Km2)
1.7261.643
1.306
1.169
935935
665566 552
118
Naples Rome Turin Bari Milan Florence Bologna Veneto Rest of
Italy
Indicator 2 - Employment(employees/Km2)
293
236225
154141 140 134 128
15
Turin Rome Milan Bologna Florence Naples Veneto Bari Rest of
Italy
Indicator 3 - Commercial and leisure services(employees/Km2)
98
625555
4540 39
3431
5
Rome Turin Naples Milan Bari Florence Bologna Veneto Rest of
Italy
Indicator 4 - Services of collective interest(employees/Km2)
203
121112
121112
8373
60 5745
8
Rome Naples Turin Bari Milan Florence Bologna Veneto Rest of
Italy
Indicator 5 - Density of flows(Km travelled/Km2)
6.075
2.7492.541 2.502
1.7251.426 1.329 1.266
465
Rome Turin Naples Milan Bari Florence Veneto Bologna Italy
22,6
18,5
Commuters per 100 residents
13,3
Km per commuter
Different patterns of mobility
Total metropolitan
areas
Italy
10,6
Total metropolitan
areas
Italy
Density of flows in Milan M.A.
BergamoComoVarese
Milan Brescia
Pavia
Novara
Mario Boffi – [email protected]
Matteo Colleoni – [email protected]
Pietro Palvarini – [email protected]
Laboratorio PeriMetro (Periferie Metropolitane)
Dipartimento di Sociologia e Ricerca Sociale
Università di Milano Bicocca