University of Perugia Department of Man and Territory

Land Use / Land Cover analysis using Landsat TM data: application in a fragmented landscape of central Italy

(Umbria)

Marco Vizzari Francesca Brunazzi

• Landsat 5 TM multiple scenes from USGS available at: http://earthexplorer.usgs.gov/

• WMS layer of ortophoto from Italian Environmental Ministry – National Geoportal available at: http://www.pcn.minambiente.it/GN/

• WMS layer of settlements from Regional GIS of Umbria available at: http://geo.umbriaterritorio.it

MAIN DATA

Landsat program will be renewed and maintained with new satellites from 2013 (Continuity Mission).

Data acquisition

Multi Spectral Scanner (MSS) Thematic Mapper

(TM) Spatial resolution 80 x 60 m Spatial resolution

30 x 30 m (120 m x 120 m TI)

Enhanced Thematic Mapper Plus (ETM+) Spatial resolution

30 m x 30 m (15 m x 15 m PAN

60 m x 60 m TI)

Landsat

Source: landsat.usgs.gov

Perugia: 449,92 km2

Corciano: 63,69 km2

Deruta: 44,39 km2

Torgiano: 37,88 km2

Total area: 595,88 km2

Study area

Pre-processing

Visual analysis

PCA

Classification Unsupervised Supervised

Iso-data Maximum Likelihood

Ancillary built-up data integration

Methods

Accuracy assessment

Deep water

Shallow water

High density natural woodlands

Medium density agri-natural woodlands

Sowlands

Medium density residential areas

High density residential areas

Commercial, productive and infrastructural areas

Commercial, productive and infrastructural accessory areas

Results – LULC 2010

ACCURACY ASSESSMENT

93% K = 0,92