boffi, colleoni & palvarini - input2012

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 – 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