Statistical analysis of rainfall trend and water vapor distribution over the Central African Republic
To apprehend the temporal and spatial distribution of the rainfall over CAR, we computed thirty-three years (1981-2013) of monthly rainfall, relative humidity over the country divided into four (4) distinct sub-regions. Bearing different characteristics one to another, we found that Region 2 and Region 4 were having a statistical significant upward trend along the long term rainfall variation; meanwhile Region 3 was the one having a highest coefficient of variation on the yearly basis. The composite analysis showed that December, January and February were the months with higher frequency of variation compared to June, July, August and September having the least frequency variation(by decreasing magnitude respectively) and the years 1984 and 2009 to be of a great magnitude in the Dry year composite just as 1988 and 2013 for the Wet years.
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Tags: Precipitation ; Water vapour ; Central African Republic ; Thesis - WMO Fellowship Division Add tag