A modelling-chain linking climate science and decision-makers for future urban flood management in West Africa

Miller, J. D.; Vischel, T.; Fowe, T.; Panthou, G.; /Wilcox, Catherine; Taylor, C. M.; Visman, E.; Coulibaly, G.; Gonzalez, P.; Body, R.; Vesuviano, G.; /Bouvier, Christophe; /Chahinian, Nanée; /Cazenave, Frédéric

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dc.creator	Miller, J. D.
dc.creator	Vischel, T.
dc.creator	Fowe, T.
dc.creator	Panthou, G.
dc.creator	/Wilcox, Catherine
dc.creator	Taylor, C. M.
dc.creator	Visman, E.
dc.creator	Coulibaly, G.
dc.creator	Gonzalez, P.
dc.creator	Body, R.
dc.creator	Vesuviano, G.
dc.creator	/Bouvier, Christophe
dc.creator	/Chahinian, Nanée
dc.creator	/Cazenave, Frédéric
dc.date	2022
dc.date.accessioned	2022-10-14T18:38:26Z
dc.date.available	2022-10-14T18:38:26Z
dc.identifier	https://www.documentation.ird.fr/hor/fdi:010085415
dc.identifier	oai:ird.fr:fdi:010085415
dc.identifier	Miller J. D., Vischel T., Fowe T., Panthou G., Wilcox Catherine, Taylor C. M., Visman E., Coulibaly G., Gonzalez P., Body R., Vesuviano G., Bouvier Christophe, Chahinian Nanée, Cazenave Frédéric. A modelling-chain linking climate science and decision-makers for future urban flood management in West Africa. 2022, 22 (3), p. 93 [15 p.]
dc.identifier.uri	https://biblioteca-repositorio.clacso.edu.ar/handle/CLACSO/169895
dc.description	Intensification of the hydrological cycle resulting from climate change in West Africa poses significant risks for the region's rapidly urbanising cities, but limited research on flood risk has been undertaken at the urban domain scale. Furthermore, conventional climate models are unable to realistically represent the type of intense storms which dominate the West African monsoon. This paper presents a decision-first framing of climate research in co-production of a climate-hydrology-flooding modelling chain, linking scientists working on state-of-the-art regional climate science with decision-makers involved in city planning for future urban flood management in the city of Ouagadougou, Burkina Faso. The realistic convection-permitting model over Africa (CP4A) is applied at the urban scale for the first time and data suggest significant intensification of high-impact weather events and demonstrate the importance of considering the spatio-temporal scales in CP4A. Hydrological modelling and hydraulic modelling indicate increases in peak flows and flood extents in Ouagadougou in response to climate change which will be further exacerbated by future urbanisation. Advances in decision-makers' capability for using climate information within Ouagadougou were observed, and key recommendations applicable to other regional urban areas are made. This study provides proof of concept that a decision-first modelling-chain provides a methodology for co-producing climate information that can, to some extent, bridge the usability gap between what scientists think is useful and what decision-makers need.
dc.language	EN
dc.subject	Flood
dc.subject	Climate change
dc.subject	West Africa
dc.subject	Decision-making
dc.subject	Urban
dc.subject	Co-production
dc.title	A modelling-chain linking climate science and decision-makers for future urban flood management in West Africa
dc.type	text
dc.coverage	AFRIQUE DE L'OUEST