A review of tools and resources to support Decision-Making Under Deep Uncertainty
Julius Schlumberger (Vrije Universiteit Amsterdam, Deltares)
David Gold (Universiteit Utrecht)
Valeria Di Fant (Universiteit Utrecht, Deltares)
Gundula Winter (Deltares)
Mehmet Ümit Taner (Deltares)
Jan Kwakkel (TU Delft - Policy Analysis)
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Abstract
Decision-making under Deep Uncertainty (DMDU) offers approaches to support robust, adaptive strategies for complex decision-making. However, practical uptake of DMDU remains limited, partly due to fragmented access to resources and a lack of an inventory of available tools. This study introduces a comprehensive catalogue of tools and resources. Through a structured survey and expert elicitation, we identify 28 resources and 16 tools that support DMDU research and practice and classify them using an established DMDU taxonomy. Our analysis reveals a focus on introductory guidance regarding theory and methods of DMDU application, with some bias toward water-related applications. Technical, method-specific resources on how to implement existing frameworks remain limited. Our results identify tools supporting all core DMDU components, though they highlight persistent scalability challenges. The resulting online catalogue provides a foundation for expanding the use of DMDU in practice and is intended as a living, community-driven platform.
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