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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 6 | Copyright
Nat. Hazards Earth Syst. Sci., 15, 1297-1309, 2015
https://doi.org/10.5194/nhess-15-1297-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 22 Jun 2015

Research article | 22 Jun 2015

Flood fatality hazard and flood damage hazard: combining multiple hazard characteristics into meaningful maps for spatial planning

K. M. de Bruijn, F. Klijn, B. van de Pas, and C. T. J. Slager K. M. de Bruijn et al.
  • Deltares, Boussinesqweg 1, 2629 HV Delft, the Netherlands

Abstract. For comprehensive flood risk management, accurate information on flood hazards is crucial. While in the past an estimate of potential flood consequences in large areas was often sufficient to make decisions on flood protection, there is currently an increasing demand to have detailed hazard maps available to be able to consider other risk-reducing measures as well. Hazard maps are a prerequisite for spatial planning, but can also support emergency management, the design of flood mitigation measures, and the setting of insurance policies. The increase in flood risks due to population growth and economic development in hazardous areas in the past shows that sensible spatial planning is crucial to prevent risks increasing further. Assigning the least hazardous locations for development or adapting developments to the actual hazard requires comprehensive flood hazard maps. Since flood hazard is a multi-dimensional phenomenon, many different maps could be relevant. Having large numbers of maps to take into account does not, however, make planning easier. To support flood risk management planning we therefore introduce a new approach in which all relevant flood hazard parameters can be combined into two comprehensive maps of flood damage hazard and flood fatality hazard.

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Flood hazard maps are crucial for flood risk management. Since flood hazard is a multi-dimensional phenomenon, many different maps could be relevant. Having a large number of maps to take into account does not, however, make planning easier. To support flood risk management planning we therefore introduce a new approach in which all relevant flood hazard parameters can be combined into two comprehensive maps of flood damage hazard and flood fatality hazard.
Flood hazard maps are crucial for flood risk management. Since flood hazard is a...
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