Abstract
The approach presented and tested serves for managing water infrastructure which is categorized as critical infrastructure taking into account abnormal, critical, and future conditions of the entire system. Such critical conditions can be induced by terrorist attacks, infrastructure deterioration, or climate change among others. In this chapter the risk for performance decreases is calculated by merging vulnerability maps for a water infrastructure and hazard maps for an interfering process. The aim of the approach is to help decision makers in choosing sites for preventive measures. Vulnerability maps are generated using a spatially referenced sensitivity analysis of water distribution and urban drainage models. Hazard maps are calculated with a geographical information system using different raster data sets. The application of the risk assessment is shown by means of case studies for both water distribution and urban drainage systems. One of the results for instance shows that vulnerabilities occur if different demand areas (e.g., separated by a river) are not properly connected.
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Acknowledgments
The work reported was funded by project “KIRAS PL 3: Achilles,” project no. 824682 under the “Sicherheitsforschungs – Förderprogramm KIRAS” of the Austrian Federal Ministry for Transport, Innovation and Technology (BMVIT) and the Austrian Research Promotion Agency (FFG).
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Möderl, M., Rauch, W. (2011). Spatial Distributed Risk Assessment for Urban Water Infrastructure. In: Clark, R., Hakim, S., Ostfeld, A. (eds) Handbook of Water and Wastewater Systems Protection. Protecting Critical Infrastructure, vol 2. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0189-6_7
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DOI: https://doi.org/10.1007/978-1-4614-0189-6_7
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