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Mean air surface temperature anomalies in the humid south – south zone of Nigeria
Abstract
The concept of regional climate is very important in understanding global climate change. Changes in surface air temperature are primary measures of global climate change. In this work, the analyses of the mean air surface temperature dynamics from 1901 to 2000 in six cities located in the South- South humid zone of Nigeria, which comprised four ecological zones namely; coastal barrier island, mangrove swamp forest, fresh water swamps and lowland rainforest were presented. The analyses showed that at climatological scale of 33 years, that there were some slightly elevated temperatures, which remained nearly stable over the entire period of study, grouped into three climatological scales. The results showed that an anomaly of 4.5oC was recorded in 1932, 1935 and 1983 in the first, second and third climatological scales respectively. Also observed in 1936 and 1942 were the mean air surface temperature that recorded 4.5oC respectively as maximum on its warming trend, whereas on its cooling trend a minimum of -2.5oC in the first and second climatological scale and -1.5oC in the third climatological scale were observed.
Keywords: Temperature, climate change, climatological scale, humid zone, Nigeria
International Journal of Natural and Applied Sciences, 6(4): 428 - 431, 2010
Keywords: Temperature, climate change, climatological scale, humid zone, Nigeria
International Journal of Natural and Applied Sciences, 6(4): 428 - 431, 2010