Assessment of NBSs effectiveness for flood risk management : The Isar River case study

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Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
2022-01
Major/Subject
Mcode
Degree programme
Language
en
Pages
20
42-61
Series
Aqua-Water infrastructure ecosystems and society, Volume 71, issue 1
Abstract
Nature-based solutions (NBSs) are increasingly implemented to mitigate natural risks in urban and rural contexts, from coastal to mountainous areas. Nevertheless, the lack of quantitative approaches to assess NBSs' effectiveness limits their technical, social and cultural acceptance. Within the PHUSICOS project (EU H2020 Innovation Action; Grant Agreement nr. 776681) a comprehensive assessment framework tool (AFT) has been developed to fill this gap. This paper presents an ex-post analysis with the PHUSICOS AFT applied to the Isar River case study. The restoration of the urban reach of the Isar River, in the city of Munich, was implemented in the early 2000s and represents a successful example of ecosystem and user-friendly flood risk management plan. The performance of the NBS measures implemented to manage the flood risk and improve the ecological status of the river (NBS scenario) is assessed in comparison with an alternative scenario with traditional hard engineering measures (grey scenario, GS). Results underscore the NBS as a competitive alternative. The ex-post analysis shows the potential of the PHUSICOS AFT for NBS performance assessment, providing guidance on indicator selection, stakeholders' management and performance assessment. The application discussed here is expected to aid professionals and researchers involved in the design, implementation, monitoring and evaluation of NBSs.
Description
Keywords
assessment framework tool (AFT), flooding risk, Isar River restoration, Living Lab, nature-based solutions (NBSs), PHUSICOS project, SENDAI FRAMEWORK, CLIMATE-CHANGE, URBAN, REDUCTION, WATER, CONSERVATION, PERFORMANCE
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Citation
Pugliese, F, Caroppi, G, Zingraff-Hamed, A, Lupp, G & Gerundo, C 2022, ' Assessment of NBSs effectiveness for flood risk management : The Isar River case study ', Aqua-Water infrastructure ecosystems and society, vol. 71, no. 1, pp. 42-61 . https://doi.org/10.2166/aqua.2021.101