Principal Water Stress Analysis Indexes and Approaches Based on WFs
The accounting results of the regional water footprint can not directly indicate the regional water resources conditions, as the regional water condition also highly connects with their regional scales and water endowment backgrounds. Therefore, the water stresses analysis based on the water footprint accounting under multiple regional scales needs to be made for the evaluations of the regional water sustainable management. In this chapter, based on the computed water footprint results of the three study areas in the previous chapters, the major evaluation indexes for water stresses analysis under multiple regional scales were compared. Furtherly, the exploration on their special properties in analyzing water stresses towards the multiple regional scales and water resources backgrounds were conducted. In addition, the principal water stresses analysis approaches and their relevant evaluation indexes under multiple regional scales were summarized for the references of the later researchers on this aspect. The conclusion from the analyses can be of importance for the authorities and policy makers in formulating the relevant water policies and strategies.
KeywordsWater stress analysis indexes WSI WSS WFI Accumulated Grey WFs Residual Grey WFs
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