2021
DOI: 10.5194/piahs-384-241-2021
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Dynamique des extrêmes hydrologiques du système Chari-Logone et risques naturels dans la région de l'extrême-nord du Cameroun

Abstract: Abstract. Le système Chari-Logone est principal cours d'eau drainant l'Extrême-Nord du Cameroun. À l'image des autres parties du bassin versant de ce cours d'eau, cette région a connu plusieurs inondations catastrophiques. Cet article examine la dynamique des extrêmes hydrologiques du Logone et du Chari à travers les stations de Bongor et N'Djamena en prenant en compte le contexte des changements climatiques et l'occurrence des risques hydro-climatiques. Les analyses portent essentiellement sur les données jou… Show more

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“…The rains water the watersheds of these rivers from May to September in the south of the country, which results in a rise in water levels which reaches its peak in September at N'Djamena. Then the water empties into Lake Chad to reach low water from March to June in N'Djamena [10]. In the Sahelian part of the country where N'Djamena is located, two seasons are shared unequally throughout the year.…”
Section: Description Of the Study Areamentioning
confidence: 99%
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“…The rains water the watersheds of these rivers from May to September in the south of the country, which results in a rise in water levels which reaches its peak in September at N'Djamena. Then the water empties into Lake Chad to reach low water from March to June in N'Djamena [10]. In the Sahelian part of the country where N'Djamena is located, two seasons are shared unequally throughout the year.…”
Section: Description Of the Study Areamentioning
confidence: 99%
“…The river regime respects this rainfall variation with a pronounced flooding of the rivers during the rainy season (July to September). There is a long period of low water proportional to the duration of the dry season (October to June) [10] [11].…”
Section: Description Of the Study Areamentioning
confidence: 99%
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