A spatial and integrated flood risk diagnosis: Relevance for disaster prevention at Ourika valley (High Atlas-Morocco)

PurposeThe purpose of this paper is to identify vulnerable areas for flood hazard and to analyze stakes exposed in touristic valley of Morrocan mountains. The three goals are: methodological (low-cost diagnosis without starting data), operational (to show the risk and identify avenues of prevention...

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Bibliographic Details
Published in:Disaster prevention and management 2019-01, Vol.28 (5), p.548-564
Main Authors: Bennani, Oumaima, Druon, Ernest, Leone, Frédéric, Tramblay, Yves, Saidi, Mohamed El Mehdi
Format: Article
Language:English
Subjects:
Decision making
Diagnosis
Earth Sciences
Emergency preparedness
Environmental risk
Evacuations & rescues
Flood hazards
Flood risk
Floods
Geographic information systems
Geomorphology
Hydrology
Methods
Mountains
Polls & surveys
Prevention
Rain
Refuges
Risk
Sciences of the Universe
Surveys
Valleys
Vulnerability
Watersheds
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Summary:PurposeThe purpose of this paper is to identify vulnerable areas for flood hazard and to analyze stakes exposed in touristic valley of Morrocan mountains. The three goals are: methodological (low-cost diagnosis without starting data), operational (to show the risk and identify avenues of prevention in Ourika) and incentive (to reproduce this on other sectors in Morocco).Design/methodology/approachThe vulnerability of three areas of the Ourika valley (the most frequented) was assessed by a hydro-geomorphological study, human frequentation surveys and risk indices at the building scale.FindingsSurveys carried out in the field allowed the identification of areas with high risk, the evaluation of the buildings’ vulnerability and the frequentation of the valley. Evacuation plans, allowing easy access to potential refuges in case of flood, were finally proposed.Originality/valueThe reproducible, inexpensive and relevant nature of the approach (integrated and spatialized) helps in decision making and facilitating dialogue for prevention.
ISSN:0965-3562
1758-6100
DOI:10.1108/DPM-12-2018-0379