Why is flood hazard mapping considered an important step in floodplain management?

Abstract

Flood risk maps are the essential tools for land use planning in flood-prone areas. The basic criteria for mapping are usually chosen according to flood return periods. Sometimes, the expected water depth or dynamic considerations are used instead. These criteria are discussed on mapping examples from several countries. To draw a flood risk map, four phases are usually recognized: hydrologic, geomorphic, hydraulic and land use. Each of these phases poses different problems and requires relevant methodologies to accomplish them. As an example, the program for flood risk mapping of the Valencia Region in Spain is presented. A flood risk map is considered as a preliminary yet necessary initial step for all regional development policies.

Keywords

• Return Period
• Flood Risk
• Flood Peak
• Flood Depth
• Ephemeral Stream

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Authors and Affiliations

1. Department of Hydraulics and Environment, Polytechnic University of Valencia, Apartado Correos 22012, 46080, Valencia, Spain

   Juan B. Marco

Authors

1. Juan B. Marco

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Editors and Affiliations

1. Institute of Hydraulics, Hydrology and Water Management, University of Catania, Catania, Italy

   Giuseppe Rossi

2. Civil Engineering Department, Dokuz Eylul University, Izmir, Turkey

   Nilgun Harmancioğlu

3. Civil Engineering Department, Colorado State University, Fort Collins, Colorado, USA

   Vujica Yevjevich

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© 1994 Springer Science+Business Media Dordrecht

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Marco, J.B. (1994). Flood risk mapping. In: Rossi, G., Harmancioğlu, N., Yevjevich, V. (eds) Coping with Floods. NATO ASI Series, vol 257. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1098-3_20

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