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Towards dynamic CCA planning - an investigation of the concept of DAPP's applicability for rainwater management in Frederiksberg, Denmark

Author

Term

4. semester

Publication year

2022

Submitted on

Pages

107

Abstract

Human-driven climate change is expected to bring more frequent and intense extreme weather, putting cities at risk. Climate change adaptation is therefore necessary. In Frederiksberg, Denmark, ambitious plans aim to manage future cloudbursts, but they are relatively static and thus vulnerable to climate uncertainty. This study asks: How can an adaptation strategy meet short-term goals while remaining robust and flexible enough to keep options open for future actions or shifts in strategy? The research explores how elements of Dynamic Adaptive Policy Pathways (DAPP) can support more dynamic adaptation, using Frederiksberg's Rainwater Plan, which is under development, as a basis. The approach includes: (1) a risk assessment of a case area to understand current and future local risks, (2) mapping potential measures and screening their physical suitability, and (3) evaluating the suitable measures through a multicriteria analysis (MCA) using criteria tailored to planning under deep uncertainty. Based on this, adaptation pathways—step-by-step sequences of measures that can be adjusted over time—are developed to deliver clear short-term benefits and to retain their value under unexpected future climate conditions or if strategies shift to new measures. The findings indicate that this dynamic approach can provide a systematic framework for planning climate adaptation. However, implementing a full DAPP process should involve broad stakeholder participation to strengthen the MCA and embed the strategy in relevant organizations.

Menneskeskabte klimaforandringer forventes at give hyppigere og mere intense ekstreme vejrhændelser, hvilket øger risikoen for bybefolkninger. Derfor er klimatilpasning nødvendig. I Frederiksberg er der udviklet ambitiøse strategier for at håndtere fremtidige skybrud, men de er forholdsvis statiske og dermed sårbare over for usikkerhed om fremtidens klima. Denne undersøgelse spørger: Hvordan kan en strategi for klimatilpasning opfylde kortsigtede mål og samtidig være robust og fleksibel, så mulighederne holdes åbne for fremtidige tiltag eller skift i strategi? Studiet undersøger, hvordan elementer fra Dynamic Adaptive Policy Pathways (DAPP) kan bruges til at gøre klimatilpasning mere dynamisk med udgangspunkt i Frederiksbergs Regnvandsplan, som er under udvikling. Metoden omfatter: (1) en risikoanalyse af et caseområde for at forstå nuværende og fremtidige lokale risici, (2) kortlægning af mulige tiltag og en vurdering af deres fysiske egnethed, og (3) en efterfølgende multikriterieanalyse (MCA), der vægter de egnede tiltag efter kriterier tilpasset planlægning under dyb usikkerhed. På den baggrund udvikles tilpasningsforløb (adaptation pathways), som både giver tydelige kortsigtede effekter og er sammensat, så de ikke mister deres værdi ved uforudsete klimatiske udviklinger eller ved skift til andre løsninger. Resultatet peger på, at den undersøgte dynamiske tilgang kan bruges til at skabe en systematisk ramme for planlægning af klimatilpasning. En fuld DAPP-proces bør dog omfatte bred inddragelse af interessenter for at styrke MCA’en og forankre strategien i de relevante organisationer.

[This apstract has been rewritten with the help of AI based on the project's original abstract]