650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Legend Water bodies and human infrastructures

0000 MAP 20: IRRIGATION CAPABILITY OF THE SOIL

463 Irrigation capability 4630000 Good: limiting factor carbonate content Good: limiting factor drainage, stoniness and carbonate content Good: limiting factor stininess, carbonate and gypsum content ALAGON Moderate: limiting fator gypsum content Moderate: limiting factor gypsum and drainage r Marginal: limiting factor electric conductivity

5000 e iv

462 R 4625000 n GRISEN lo Ja

ALFOCEA CASETAS Eb 0000 roR BARBOLES 462 ive 4620000 r JUSLIBOL

r

e GARRAPINILLOS v VENTA DEL OLIVAR i R

o

g 5000 e l l 461 4615000 a

G LA PUEBLA DE ALFINDEN

PASTRIZ ALFAJARIN 0000

461 LA ALFRANCA 4610000 LA CARTUJA Eb roR iv er 0241 Km r e v i 5000 R a 460 4605000 rv e u H r e MARIA DE HUERVA iv R l e 0000 in 460 La Plana G 4600000 Ebro Basin Region Iberian Peninsula TORRECILLA DE source: C.H.E.

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 20 650000 655000 660000 665000 670000 675000 680000 685000 690000 695000

0000 MAP 21: EROSION SUSCEPTIBILITY 463 4630000

ALAGON

r Ebro Basin

5000 e iv Aragon Region

462 R 4625000 n Iberian Peninsula GRISEN lo Ja PINSEQUE SOBRADIEL source: C.H.E. ALFOCEA CASETAS 0241 Km Eb 0000 roR BARBOLES 462 ive 4620000 r JUSLIBOL

r GARRAPINILLOS e v VENTA DEL OLIVAR i R

o

g 5000 e l l 461 4615000 a

G ZARAGOZA LA PUEBLA DE ALFINDEN

PASTRIZ ALFAJARIN 0000

461 LA ALFRANCA 4610000 LA CARTUJA Eb NUEZ DE EBRO roR iv CUARTE DE HUERVA er r e v i EL BURGO DE EBRO 5000 R a 460 La Muela 4605000 rv e u H CADRETE r Legend e MARIA DE HUERVA iv Water bodies and human infrastructures R l e 0000 Erosion susceptibiltiy in 460 Weak La Plana G 4600000 Moderate BOTORRITA High TORRECILLA DE VALMADRID Very high

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 21 650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 MAP 22: DECREASE IN EROSION SUSCEPTIBILITY 0000

463 WHEN IRRIGATED 4630000

ALAGON

r Ebro Basin

5000 e iv Aragon Region

462 R 4625000 n Iberian Peninsula GRISEN lo Ja PINSEQUE SOBRADIEL source: C.H.E. ALFOCEA CASETAS 0241 Km Eb 0000 roR BARBOLES 462 ive 4620000 r JUSLIBOL

r

e GARRAPINILLOS v VENTA DEL OLIVAR i R

o

g

5000 e l l 461 4615000 a

G ZARAGOZA LA PUEBLA DE ALFINDEN

PASTRIZ ALFAJARIN 0000

461 LA ALFRANCA 4610000 LA CARTUJA Eb NUEZ DE EBRO roR iv CUARTE DE HUERVA er r e v i EL BURGO DE EBRO 5000 R a 460 4605000 rv e u H CADRETE r e MARIA DE HUERVA iv Legend R l e 0000 Human infrastructures, water bodies in 460 Decrease in erosion susceptibiltiy La Plana G 4600000 Null BOTORRITA High TORRECILLA DE VALMADRID Very high

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 22 650000 655000 660000 665000 670000 675000 680000 685000 690000 695000

0000 MAP 23: DOLINE MAP 463 4630000

ALAGON

r Ebro Basin

5000 e iv Aragon Region

462 R 4625000 n Iberian Peninsula GRISEN lo Ja PINSEQUE SOBRADIEL source: C.H.E. ALFOCEA CASETAS 0241 Km Eb 0000 roR BARBOLES 462 ive 4620000 r JUSLIBOL

r

e GARRAPINILLOS v VENTA DEL OLIVAR i R

o

g

5000 e l l 461 4615000 a

G ZARAGOZA LA PUEBLA DE ALFINDEN

PASTRIZ ALFAJARIN 0000

461 LA ALFRANCA 4610000 LA CARTUJA Eb NUEZ DE EBRO roR iv CUARTE DE HUERVA er r e v i EL BURGO DE EBRO 5000 R a 460 4605000 rv e u H Legend CADRETE r River e iv Urban nucleus MARIA DE HUERVA R l e 0000 Source: in 460 Dolines of previous studies La Plana G 4600000 (Simón et al., 1998a,b) Dolines in air photograph 1984 BOTORRITA Dolines in air photograph 1997 TORRECILLA DE VALMADRID Dolines in air photograph 1984 and 1997

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 23 650000 655000 660000 665000 670000 675000 680000 685000 690000 695000

0000 MAP 24: THICKNESS OF QUATERNARY DEPOSITS 463 4630000

ALAGON

r Ebro Basin 5000 e iv Aragon Region

462 R 4625000 n Iberian Peninsula GRISEN lo Ja source: C.H.E.

CASETAS 0241 E Km br 0000 o Riv 462 er 4620000 JUSLIBOL

GARRAPINILLOS

ver VENTA DEL OLIVAR i R

o

g 5000 e l l 461 4615000 a

G ZARAGOZA

ALFAJARIN 0000 461 4610000 LA CARTUJA Eb ro Riv CUARTE DE HUERVA er NUEZ DE EBRO

r e iv EL BURGO DE EBRO 5000

460 aR 4605000 Legend rv La Muela e u Rivers H Urban nucleus r Quaternary deposits thickness e MARIA DE HUERVA iv 0 - 10 m R l 10 - 20 m e 0000 in 460 20 - 30 m La Plana G 4600000 30 - 40 m 40 - 50 m BOTORRITA 50 - 60 m TORRECILLA DE VALMADRID > 60 m

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 24 650000 655000 660000 665000 670000 675000 680000 685000 690000 695000

0000 MAP 25: PERCENTAGE OF LOW PERMEABLE LAYERS 463 4630000

ALAGON

r Ebro Basin

5000 e iv R Aragon Region 462 n Iberian Peninsula 4625000 lo GRISEN Ja

source: C.H.E.

CASETAS 0241 E Km br

0000 o Riv 462 er 4620000 JUSLIBOL

GARRAPINILLOS

ver VENTA DEL OLIVAR i

R

o

g 5000

e l

461 l 4615000

a

G ZARAGOZA

ALFAJARIN 0000 461 4610000 LA CARTUJA Eb ro Riv CUARTE DE HUERVA er NUEZ DE EBRO

r e iv EL BURGO DE EBRO 5000 aR 460 La Muela 4605000 rv e u Legend H Rivers r Urban nucleus e MARIA DE HUERVA iv Percentage of low permeable layers R l < 10 % e 0000 in 460 10 - 20 % La Plana G 4600000 20 - 30 % 30 - 40 % BOTORRITA 40 - 50 % TORRECILLA DE VALMADRID > 50 %

650000 655000 660000 665000 670000 675000 680000 685000 690000 695000 Map 25