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Flood hazard, Santa Cruz do Bispo Sector, Leça River, Portugal: a methodological contribution to improve land use planning

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  • Pedro Gonçalves
  • Inês Marafuz
  • Alberto Gomes

Abstract

This paper presents a 1:4000 scale flood hazard map, covering 4,2 km-super-2 of a sector belonging to the Leça river watershed (Portugal), named the Santa Cruz do Bispo sector. The map is the outcome of the combination of several hydrodynamic parameters - velocity, water column height and flood-prone - defined for three return periods (T10, T50, T100), which were calculated.An intensity-probability matrix supports the hazard map which combines the modelling results as a base layer to classify flood hazard along the alluvial plain and to identify exposed elements located inside the T100 prone-flood area, notably roads, bridges and buildings. The hazard map is an important document to support land planning, assisting the definition of correct land use and occupation restrictions that should be applied along this floodplain.

Suggested Citation

  • Pedro Gonçalves & Inês Marafuz & Alberto Gomes, 2015. "Flood hazard, Santa Cruz do Bispo Sector, Leça River, Portugal: a methodological contribution to improve land use planning," Journal of Maps, Taylor & Francis Journals, vol. 11(5), pages 760-771, October.
    • Handle: RePEc:taf:tjomxx:v:11:y:2015:i:5:p:760-771
    DOI: 10.1080/17445647.2014.974226
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    Cited by:

    1. Rita Tufano & Luigi Guerriero & Mariagiulia Annibali Corona & Giuseppe Cianflone & Diego Di Martire & Fabio Ietto & Alessandro Novellino & Concetta Rispoli & Claudia Zito & Domenico Calcaterra, 2023. "Multiscenario flood hazard assessment using probabilistic runoff hydrograph estimation and 2D hydrodynamic modelling," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 116(1), pages 1029-1051, March.

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