Multi-criteria decision support for drought security
- Australian Water Association (AWA)
- Publication Type:
- Conference Proceeding
- Proceedings of OzWater'14', 2014
- Issue Date:
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The recently completed Lower Hunter Water Plan identified a portfolio of drought response measures to ensure that the region does not run out of water under severe drought conditions. A multi-criteria decision analysis (MCDA) process was developed to guide the assessment of the drought response options against multiple criteria (both quantitative and qualitative), and for the assembly and analysis of drought response portfolios. The process guided stakeholders in considering a wide range of alternative supply and demand side options, and allowed for the transparent trade-off between options or portfolios of options. The MCDA process integrated the assessment of social, environmental and risk/resilience criteria with cost effectiveness analysis. The process also included the analysis of contextual uncertainties and risk to determine the flexibility of the options under different future situations. The outcome of this process revealed a portfolio of drought response options that best met the weighted critieria and satisfied the drought response objectives.
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