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 |