Index

Grade and value

Low

Medium

High

Factor

Indicator

Weighted value

[1]

[2]

[3]

Hazard

Accumulated Subsidence volume (mm)

0.63

0 - 10000

10000 - 100000

>100000

Subsidence velocity (mm/yr.)

0.26

0 - 30

30 - 50

>50

Groundwater exploitation intensity

(104 m3/yr.)

0.11

0-8

8-16

>16

Vulnerability

Population density (person/km2)

0.67

0 - 1000

1000 - 10000

>10000

GDP per km2 (104 $)

0.24

0 - 99

100 - 499

>500

Construction land proportion (%)

0.09

0 - 49

50 - 79

>80