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dc.contributor.authorKLUTSE NANA AMA BROWNEen_GB
dc.contributor.authorAJAYI Ven_GB
dc.contributor.authorGBOBANIYI Een_GB
dc.contributor.authorEGBEBIYI Ten_GB
dc.contributor.authorKOUADIO Ken_GB
dc.contributor.authorNKRUMAH Fen_GB
dc.contributor.authorQUAGRAINE Ken_GB
dc.contributor.authorOLUSEGUN Cen_GB
dc.contributor.authorDIASSO Uen_GB
dc.contributor.authorABIODUN Ben_GB
dc.contributor.authorLAWAL Ken_GB
dc.contributor.authorNIKULIN GRIGORYen_GB
dc.contributor.authorLENNARD CHRISTOPHERen_GB
dc.contributor.authorDOSIO ALESSANDROen_GB
dc.identifier.citationENVIRONMENTAL RESEARCH LETTERS vol. 13 no. 5 p. 055013en_GB
dc.description.abstractWe examine the impact of +1.5 ◦C and +2 ◦C global warming levels above pre-industrial levels on consecutive dry days (CDD) and consecutive wet days (CWD), two key indicators for extreme precipitation and seasonal drought. This is done using climate projections from a multi-model ensemble of 25 regional climate model (RCM) simulations. The RCMs take boundary conditions from ten global climate models (GCMs) under the RCP8.5 scenario.We define CDD as the maximum number of consecutive days with rainfall amount less than 1mm and CWD as the maximum number of consecutive days with rainfall amount more than 1 mm. The differences in model representations of the change in CDD and CWD, at 1.5 ◦C and 2◦C global warming, and based on the control period 1971−2000 are reported. The models agree on a noticeable response to both 1.5 ◦C and 2◦C warming for each index. Enhanced warming results in a reduction in mean rainfall across the region.More than 80% of ensemble members agree that CDD will increase over the Guinea Coast, in tandem with a projected decrease in CWD at both 1.5 ◦C and 2◦C global warming levels. These projected changes may influence already fragile ecosystems and agriculture in the region, both of which are strongly affected by mean rainfall and the length of wet and dry periods.en_GB
dc.description.sponsorshipJRC.E.1-Disaster Risk Managementen_GB
dc.titlePotential Impact of 1.5oC and 2oC global warming on consecutive dry and wet days over West Africaen_GB
dc.typeArticles in periodicals and booksen_GB
JRC Directorate:Space, Security and Migration

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