Multi-Criteria Decision Analysis in Water Resource Management

Multi-Criteria Decision Analysis (MCDA) has become central to water resource management by offering robust frameworks to reconcile economic, environmental and social objectives under conditions of complexity and uncertainty. It encompasses the systematic structuring of decision problems into criteria and alternatives, the assignment of weights reflecting stakeholder priorities, and the ranking or selection of strategies through a range of quantitative and qualitative methods. Principal techniques include utility-based models, hierarchical processes and outranking approaches, each tailored to different decision contexts such as infrastructure siting, supply-demand balancing and environmental flow allocation. Recent advances have integrated geographic information systems, dynamic simulation tools and fuzzy logic to capture spatial variability, temporal dynamics and stakeholder perceptions. These developments facilitate transparent, participatory analyses that can evaluate trade-offs between competing uses, assess climate change impacts and enhance resilience. MCDA’s adaptability supports applications from dam site selection and river basin planning to urban network rehabilitation, offering decision makers a common language to navigate regulatory requirements, technical constraints and societal goals on a global scale.

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Multi-Criteria Decision Analysis in Water Resource Management publication trend

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Technical terms

Multi-Criteria Decision Analysis (MCDA): A structured framework for evaluating options against multiple conflicting criteria by combining quantitative and qualitative measures.

Analytic Hierarchy Process (AHP): A method that decomposes decision problems into a hierarchy of criteria and uses pairwise comparisons to derive relative weights.

Technique for Order Preference by Similarity to Ideal Solution (TOPSIS): An approach that ranks alternatives based on their distance from an ideal and an anti-ideal solution in a multi-dimensional criteria space.

Outranking methods: Techniques such as ELECTRE and PROMETHEE that establish preference relations by comparing alternatives pairwise across criteria thresholds.

Water Evaluation and Planning (WEAP): A scenario-based simulation tool that integrates hydrological, environmental and socio-economic indicators for water resource planning.

References

1. Multi-criteria decision making for water resource management: a case study of the Gediz River Basin, Turkey. Water SA (2010).
2. An Integrated Multicriteria Analysis Tool for Evaluating Water Resource Management Strategies. Water (2018).
3. A multi-criteria multidimensional model for optimal selection of rural water supply systems. AQUA - Water Infrastructure Ecosystems and Society (2023).