SCENARIOS DES CHANGEMENTS CLIMATIQUES POUR LES PRECIPITATIONS ET LES TEMPERATURES EN AFRIQUE SUBSAHARIENNE TROPICALE HUMIDE : CAS DU BASSIN VERSANT DE DAVO, COTE D’IVOIRE
Journal Title: Larhyss Journal - Year 2014, Vol 18, Issue 18
Abstract
Like Sub-Saharan countries, the Ivory Coast is vulnerable to the effects of climate change. This study aims to assess the impacts of climate change on precipitation and temperatures for 2050 and 2080 horizons in the Davo watershed located in southwestern of Ivory Coast. Four Atmospheric/Ocean General Circulation Models (AOGCMs) and two greenhouse gas emission scenarios (GHGES) A2 and B2 were used to create a range of plausible scenarios. All projections show an increase in temperature. Under the A2 scenario the average model prediction of warming is 1.7 ° C and 3.1 ° C across the two periods while, the precipitation will increase by -0.4% to 3%. Under the B2 scenario, the average model prediction of warming is less important than under scenario A2. Under the B2 scenario, precipitation will experience an increase of 2.4 % and 3.7 % across the two time slice. The B2 scenario is wetter and less hot than the A2 scenario.
Authors and Affiliations
KOUAME YAO MORTON| Unité de Formation et de Recherche en Sciences et Gestion de l'Environnement, Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan, Côte d’Ivoire, SORO GNENEYOUGO EMILE| Unité de Formation et de Recherche en Sciences et Gestion de l'Environnement, Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan, Côte d’Ivoire, KOUAKOU KOFFI EUGENE| Département des Sciences de la Terre et des Ressources Minières (STeRMi), Laboratoire du Génie Civil, des Géosciences et des Sciences Géographiques, Institut National Polytechnique Félix Houphouët-Boigny (INP-HB), BP 1093 Yamoussoukro, Côte d’Ivoire, KOUADIO ZILE ALEX| Unité de Formation et de Recherche en Environnement, Université Jean Lorougnon Guédé, BP 150 Daloa, Côte d’Ivoire, MELEDJE N’DIAYE EDWIGE HERMANN| Unité de Formation et de Recherche en Sciences et Gestion de l'Environnement, Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan, Côte d’Ivoire, GOULA BI TIE ALBERT| Unité de Formation et de Recherche en Sciences et Gestion de l'Environnement, Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan, Côte d’Ivoire, ISSIAKA SAVANE| Unité de Formation et de Recherche en Sciences et Gestion de l'Environnement, Laboratoire Géosciences et Environnement, Université Nangui Abrogoua, 02 BP 801 Abidjan, Côte d’Ivoire
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