195 
Table 1 Multisource data 
Factors 
Features 
Data Sources 
Land Use 
Soil Adjustment 
Landsat 
Irrigation type 
TM 
Veg. maintenance 
Images 
Geology 
Permeability 
Soil Map 
Topography 
Elevation 
Digital Terrain 
Slope 
Model 
Table 2 Mapping from land cover classes to land use features 
Land use observables 
Type 
Land cover classes 
irrigation type 
typel 
2, 3, 4, 5 
type2 
6 
type3 
1 
soil adjustment 
typel 
1 
type2 
2, 3,4 
type3 
5,6 
vegetal covering 
typel 
2,4 
maintenance 
type2 
1,5 
type3 
6 
type4 
3 
Figure 2 Membership function of the linguistic labels high, medium and low of the elevation feature.