Table 1 Models applied to link final consumption to regional water scarcity
Indicators of regional water scarcity | Water availability models applied to evaluate regional water scarcity | Models that link final consumption to territorial water scarcity | Source | |||
---|---|---|---|---|---|---|
Spatial scale | Water availability model and setting for EFR | Spatial scale | Sectoral scale | Global trade model | ||
Criticality ratio | National | Renewable water resources data from AQUASTAT | 187 countries | 26 sectors | EORA (MRIO) | Ref. 36 |
Watershed | Composite Runoff V1.0 database + 80% rule for EFR | 27 European countries | 163 sectors | EXIOBASE (MRIO) | Ref. 13 | |
Watershed | WaterGAP2 model | 48 countries | 151 sectors | EXIOBASE (MRIO) | Ref. 14 | |
RFB | 0.5° grid cell | PCR-GLOBWB model | >71 countries | 26 crop classes | Process analysis | Ref. 4 |
5 arcmin | Composite Runoff V1.0 database + 80% rule for EFR | >20 countries | 26 crop classes | Process analysis | Ref. 7 | |
5 arcmin | Composite Runoff V1.0 database + 80% rule for EFR | 174 countries | 146 crops and 1 industrial sector | Process analysis | Ref. 2 | |
Watershed | WaterGAP2.2 model + single EFR method | >10 countries | Crop and non-crop consumption | Process analysis | Ref. 3 | |
RFB | 5 arcmin | 15 global hydrological model + 5 EFR methods | 245 countries | 134 sectors | EMERGING (MRIO) | This study |