Space-time variability of extreme rainfall in the River Nile basin

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dc.contributor.authorOnyutha, Charles
dc.contributor.authorWillems, Patrick
dc.date.accessioned2022-09-15T09:52:07Z
dc.date.available2022-09-15T09:52:07Z
dc.date.issued2017
dc.description.abstractIn this study, spatio-temporal variability in daily rainfall extremes based on 0.5∘ × 0.5∘ gridded data over the Nile basin was analysed using the quantile perturbation method. The co-occurrence of the extreme rainfall variability with the variation in the large-scale ocean–atmosphere conditions was also investigated. Based on a 15-year moving window, it was found that the extreme rainfall shows oscillatory behaviour over multi-decadal time scales. The latitudinal difference in the multi-decadal extreme rainfall oscillations divides the study area into the Northern, Central, and Southern regions. The variability in the extreme rainfall of the Central region is dominantly driven by the variation in the sea surface temperatures of the Atlantic and Pacific Oceans. For the Southern region, extreme rainfall variability is linked to the anomalies in the sea level pressure of the North Atlantic Ocean and the variation in the sea surface temperature of the Indian Ocean. The variation in the extreme rainfall of the Northern region corresponds to the anomalies in sea surface temperatures of the Indian and Atlantic Oceans as well as from the Pacific Ocean.en_US
dc.identifier.citationOnyutha, C., & Willems, P. (2017). Space‐time variability of extreme rainfall in the River Nile basin. International Journal of Climatology , 37 (14), 4915-4924. DOI: 10.1002/joc.5132en_US
dc.identifier.other10.1002/joc.5132
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/4778
dc.language.isoenen_US
dc.publisherInternational Journal of Climatologyen_US
dc.subjectClimate variabilityen_US
dc.subjectClimate indicesen_US
dc.subjectRainfall variabilityen_US
dc.subjectRiver Nile basinen_US
dc.subjectQuantile perturbation methoden_US
dc.subjectRainfall extremesen_US
dc.titleSpace-time variability of extreme rainfall in the River Nile basinen_US
dc.typeArticleen_US
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