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Probability-weighte...
Probability-weighted hazard maps for comparing different flood risk management strategies : a case study
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- Di Baldassarre, Giuliano (author)
- School of Geographical Sciences, University of Bristol, University Road, Bristol, BS8 1SS, UK
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CASTELLARIN, A (author)
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MONTANARI, A (author)
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BRATH, A (author)
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(creator_code:org_t)
- 2009-02-24
- 2009
- English.
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In: Natural Hazards. - : Springer Science and Business Media LLC. - 0921-030X .- 1573-0840. ; 50:3, s. 479-496
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The study proposes an original methodology for producing probability-weighted hazard maps based on an ensemble of numerical simulations. These maps enable one to compare different strategies for flood risk management. The methodology was applied over a 270-km2 flood-prone area close to the left levee system of a 28-km reach of the river Reno (Northern Central Italy). This reach is characterised by the presence of a weir that allows controlled flooding of a large flood-prone area during major events. The proposed probability-weighted hazard maps can be used to evaluate how a structural measure such as the mentioned weir alters the spatial variability of flood hazard in the study area. This article shows an application by constructing two different flood hazard maps: a first one which neglects the presence of the weir using a regular levee system instead, and a second one that reflects the actual geometry with the weir. Flood hazard maps were generated by combining the results of several inundation scenarios, simulated by coupling 1D- and 2D-hydrodynamic models.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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