Preprints
https://doi.org/10.5194/nhess-2019-417
https://doi.org/10.5194/nhess-2019-417

  17 Jan 2020

17 Jan 2020

Review status: a revised version of this preprint was accepted for the journal NHESS and is expected to appear here in due course.

Spatialised flood resilience measurement in rapidly urbanized coastal areas with complex semi-arid environment in Northern Morocco

Narjiss Satour1, Otmane Raji2, Nabil El Mocayd3, Ilias Kacimi1, and Nadia Kassou1 Narjiss Satour et al.
  • 1Geosciences, Water and Environment Laboratory, Mohammed V University, Rabat, Morocco
  • 2Geology & Sustainable Mining, University Mohammed 6 Polytechnic, Benguerir, Morocco
  • 3International Water Research Institute, University Mohammed 6 Polytechnic, Benguerir-Rabat, Morocco

Abstract. Enhancing resilience is critical for coastal urban systems to cope with and minimize flood disaster risks. Global increases in the frequency of floods is a major concern for many areas in Africa. In this regard, urban planners need increasingly accurate approaches to set up a standard for measuring the resilience to floods. In Morocco, this issue is still not fully covered by the scientific community, despite the obvious need for a new approach adapted to local conditions. Using three northern coastal municipalities, this study applied a composite index and geographic information system approach to measure and map resilience to floods. The approach is also based on a linear ranking of resilience parameters, offering a more optimal classification of spatial resilience variation. The findings allowed to identify specific areas with different resilience levels and revealed the relationship between urban dimensions and the flood resilience degree. This approach provides an efficient decision support tool to facilitate flood risk management especially in terms of prioritization of protective actions.

Narjiss Satour et al.

Narjiss Satour et al.

Narjiss Satour et al.

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