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Hydrology 2016, 3(4), 42; doi:10.3390/hydrology3040042

Integrated Flood Risk Assessment of Rural Communities in the Oti River Basin, West Africa

1
Graduate Research Program on Climate Change and Water Resources, West African Science Service Center on Climate Change and Adapted Land Use (WASCAL), University of Abomey-Calavi, Cotonou, Abomey-Calavi BP 2008, Benin
2
CSIR-Water Research Institute, Accra, P.O. Box M 32, Ghana
3
Department of Geography, University of Bonn, Bonn 53115, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Luca Brocca
Received: 3 March 2016 / Revised: 3 November 2016 / Accepted: 15 November 2016 / Published: 22 November 2016
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Abstract

Flood damage in West Africa has increased appreciably during the last two decades. Poor communities are more at risk due to the vulnerability of their livelihoods, especially in rural areas where access to services and infrastructures is limited. The aim of this paper is to identify the main factors that contribute to flood risk of rural communities in the Oti River Basin, Togo. A community-based disaster risk index model is applied. The analyses use primary data collected through questionnaires during fieldwork, the analytic hierarchy process (AHP) method, population and housing census data and flood hazard mapping of the study area. The results showed a moderate level of flood risk despite a high level of hazard and vulnerability for all investigated communities. In addition, the results suggest that decreasing vulnerability through creation of new income-generating opportunities and increasing capacity of communities to manage their own flood risk should be paramount in order to reduce flood risk in the study area. The results of this work contribute to the understanding of flood risk and can be used to identify, assess, and compare flood-prone areas, as well as simulating the impacts of flood management measures in the Oti River Basin. View Full-Text
Keywords: community-based disaster risk index; AHP; flood hazard; flood vulnerability community-based disaster risk index; AHP; flood hazard; flood vulnerability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Komi, K.; Amisigo, B.A.; Diekkrüger, B. Integrated Flood Risk Assessment of Rural Communities in the Oti River Basin, West Africa. Hydrology 2016, 3, 42.

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