Mario Boffi, Matteo Colleoni, Pietro Palvarini on "A GIS methodology for defining the Metropolitan Areas. The Italian Case Study"

1. A GIS methodology for defining the
Metropolitan Areas
The Italian Case Study
Mario Boffi, Matteo Colleoni, Pietro Palvarini
Università di Milano Bicocca
Dipartimento di Sociologia e Ricerca Sociale

2. 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 techniques
• Density analysis (Kernel model)
• Factor analysis
Data
• Population Census 2001 (residents & commuters)
• Economic Census 2001 (employees)

3. Metropolitan functions and indicators
Class Metropolitan function Indicator
Residence 1. Dwelling Population
2. Manufacturing activities Employees
3. Finance and insurance activities Employees
Employment 4. Real estate activities Employees
5. Information and communication Employees
6. Professional, scientific and technical activities Employees
7. Commerce Employees
Commercial and 8. Accommodation and catering Employees
leisure services 9. Associationism Employees
10. Recreational, cultural and sports activities Employees
11. Health Employees
12. Secondary education Employees
Services of 13. University education Employees
collective
interest 14. Public administration Employees
15. Social assistance Employees
16. Transport Employees
Flows 17. Mobility of persons Journeys

4. Metropolitan
Italy

5. Metro-Area of
Milan
Metro-Area of
Veneto

6. Metro-Area of
Turin
Metro-Area of
Bologna

7. Metro-Area of
Florence
Metro-Area of
Rome

8. Metro-Area of
Naples
Metro-Area of
Bari

9. Area (Km2)
8.054 Metro areas
9%
Non-metro areas
5.820
91%
2.962
2.694 2.608
1.908
1.284
933
Milan Veneto Bologna Florence Naples Rome Turin Bari

10. Indicator 1 - Density of population
(residents/Km2)
1.726
1.643
1.306
1.169
935
665
566 552
118
Naples Rome Turin Bari Milan Florence Bologna Veneto Rest of
Italy

11. Indicator 2 - Employment
(employees/Km2)
293
236
225
154
141 140 134 128
15
Turin Rome Milan Bologna Florence Naples Veneto Bari Rest of
Italy

12. Indicator 3 - Commercial and leisure services
(employees/Km2)
98
62
55
45
40 39
34 31
5
Rome Turin Naples Milan Bari Florence Bologna Veneto Rest of
Italy

13. Indicator 4 - Services of collective interest
(employees/Km2)
203
121
112
83
73
60 57
45
8
Rome Naples Turin Bari Milan Florence Bologna Veneto Rest of
Italy

14. Indicator 5 - Density of flows
(Km travelled/Km2)
6.075
2.749
2.541 2.502
1.725
1.426 1.329 1.266
465
Rome Turin Naples Milan Bari Florence Veneto Bologna Italy

15. Different patterns of mobility
Commuters per 100 residents
22,6
18,5
Km per commuter
13,3
10,6
Total metropolitan Italy
areas
Total metropolitan Italy
areas

16. Density of flows in Milan M.A.
Varese Como Bergamo
Novara Milan Brescia
Pavia

17. Mario Boffi – mario.boffi@unimib.it
Matteo Colleoni – matteo.colleoni@unimib.it
Pietro Palvarini – p.palvarini@campus.unimib.it
Laboratorio PeriMetro (Periferie Metropolitane)
Dipartimento di Sociologia e Ricerca Sociale
Università di Milano Bicocca