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Heat waves monitoring over West African cities: uncertainties, characterization and recent trends

Abstract : Heat waves can be one of the most dangerous climatic hazards affecting the planet; having dramatic impacts on the health of humans and natural ecosystems as well as on anthropogenic activities, infrastructures and economy. Based on climatic conditions in West Africa, the urban centers of the region appear to be vulnerable to heat waves. In this study, we assess the potential uncertainties encountered in the process of heat waves monitoring and analyse their recent trend in West Africa cities. This is investigated using two state-of-the-art reanalysis products namely ERA5 and MERRA for the period 1993-2020. Three types of uncertainties are discussed.
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https://hal-insu.archives-ouvertes.fr/insu-03741165
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Submitted on : Sunday, July 31, 2022 - 10:07:27 PM
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Cédric Gacial Ngoungué Langué, Christophe Lavaysse, Mathieu Vrac, Cyrille Flamant. Heat waves monitoring over West African cities: uncertainties, characterization and recent trends. Natural Hazards and Earth System Sciences Discussions, European Geosciences Union, 2022, pp.(en discussion). ⟨10.5194/nhess-2022-192⟩. ⟨insu-03741165⟩

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