In this chapter, we discuss and demonstrate the use of ‘on the spot’ and ‘on the map’ scenario exploration and policy-support in workshop settings. First we justify the need for exploratory model-based policy workshops. Then we present some methods and techniques needed for these workshops. Special attention is paid to new techniques we believe are crucially needed for this kind of interactive workshop if time is of the essence, namely (1) techniques to quickly generate small but diverse ensembles of alternative scenarios, and (2) techniques to visualize whole-system dynamics on maps by means of geospatial animations. We subsequently describe a workshop related to the 2015–2016 European refugee crisis for which this approach and these techniques were developed and used. Finally, we discuss shortcomings and improvements to deal with these shortcomings and conclude.@en

Flexibility is often proposed as a valuable capability to cope with uncertainty and change. However, there is no consensus about what constitutes flexibility across the literature. A review of publications on flood management, real options and manufacturing reveals remarkable commonalities along with substantial inconsistencies in the use of flexibility. These observations are used for structuring the discussion of flexibility in this paper. A framework is proposed in the form of four self-consistent and step-wise questions: (Q1) why is flexibility needed; (Q2) what is it that flexibility is required for; (Q3) what are the dimensions of flexibility; (Q4) what needs to change or be adapted? In order to answer the questions in the context of multifunctional flood defences (MFFDs), eight characteristic features of flexibility in connection with the four questions are distilled from the synthesized publications. Subsequently, a working definition of flexibility is developed. An illustrative case study examines the framework’s potential for the development of a MFFD. It is shown that the iterative use of the framework can serve as a guideline for identifying and evaluating flexibility for MFFDs. The paper ends with some challenges for future research.@en

The large-scale deployment and maintenance of infrastructure is time consuming and expensive. Over time, with changing demands and threats, these artifacts need replacement, upgrades or removal. Designing these objects assuming a fixed life or for perpetuity, neglects the reality of mutability of our built environment and variations in natural systems (Milly 2008). Consequently, in locations where there is a great degree of uncertainty, it may be worthwhile to consider modular structures and systems. @en

In the context of climate adaptation planning there are relationships between adaptation drivers and adaptation measures, which makes the selection and implementation of the adaptation measures a challenging task. This challenge may be addressed by: structuring the adaptation problem using a multiple perspective adaptation framework; and applying a context specific precedence grammar logic for selecting and evaluating adaptation measures. Precedence grammar logic is a set of rule based algorithms (grammar) that are based on the relationships in a local adaptation context. This paper demonstrates the application of a context specific precedence grammar logic in an adaptation context in Can Tho, Vietnam. Adaptation pathways comprising flood adaptation measures (i.e. dike heightening) for this case were generated using rule based algorithms based on the relationships between the drivers and the adaptation measures. The results show that complex adaptation issues that are structured, can be resolved using a context specific adaptation grammar approach.@en