Abstract
In mountain areas, natural hazards, e.g., flooding, snow avalanches, droughts, and landslides are triggered by climate change, anthropization, and economic development. Nature-Based Solutions (NBSs) are attracting increasing interest as they are able to couple technical solutions against natural hazards with ecological and socio-economic resilience. On this matter, the four-year H2020 Innovation Action “PHUSICOS—According to Nature” (Grant Agreement nr. 776681) project aims to assess the effectiveness of NBSs and hybrid solutions to hinder hydro-meteorological events in rural and mountainous areas in Europe. Among the ongoing activities within the project, a multi-criteria tool was implemented to assess the effectiveness of NBSs measures from the technical, environmental, and socio-economic perspectives. In this work, the preliminary application of the assessment tool to the Isar River (DE) PHUSICOS concept case is discussed, with reference to an ex-post analysis of the flood risk management plan, comparing the performances of the implemented NBS project scenario against a potential grey solution.
Highlights
Extreme hydro-meteorological events, i.e., floods, droughts, storm surges, landslides, and snow avalanches are significantly intensifying all over the world, including Europe [1]
To promote the Disaster Risk Reduction (DRR), in contrast with the expensive design and management costs of traditional engineered Grey Solutions (GSs), the application of Nature-Based Solutions (NBSs) and Hybrid Solutions (HSs) in both urban and rural contexts is of increasing attractiveness for technicians, policy makers, and scientists [2,3]
The preliminary results deriving from the application to the Isar River (DE) concept case of the comprehensive framework tool for NBSs assessment, developed in the frame of the PHUSICOS project, are provided and discussed
Summary
Extreme hydro-meteorological events, i.e., floods, droughts, storm surges, landslides, and snow avalanches are significantly intensifying all over the world, including Europe [1]. To promote the Disaster Risk Reduction (DRR), in contrast with the expensive design and management costs of traditional engineered Grey Solutions (GSs), the application of Nature-Based Solutions (NBSs) and Hybrid Solutions (HSs) in both urban and rural contexts is of increasing attractiveness for technicians, policy makers, and scientists [2,3]. The European Union (EU) Research and Innovation (R&I) agenda is activating several initiatives, aimed at promoting ecosystem-based approaches to hinder DRR and the effects of Climate Change (CC) [4]. A more responsible use of the resource and strategic planning in compliance with high environmental quality standards are at the top of the European political, research, and action agendas [6]. NBSs are intended as living solutions inspired by nature, resulting in cost-effective, adaptable, and resource-efficient, able to provide benefits in terms of DRR and from the socio-economic and environmental viewpoints [7]
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